EX-99.3 4 exhibit99-3.htm EXHIBIT 99.3 Bridgeport Ventures Inc. - Exhibit 99.3 - Filed by newsfilecorp.com

Exhibit 99.3



 
  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

Table of Contents

Item     Page
         
1 Title Page cover
         
2 Table of Contents, Table of Figures, List of Tables i
         
3 Summary 1
         
4 Introduction and Terms of Reference 2
         
  4.1 Introduction 2
         
  4.2 Terms of Reference 2
         
  4.3 Purpose of Report 2
         
  4.4 Sources of Information 3
         
  4.5 Field Examination and Data Review by the Qualified Person. 3
         
  4.6 Definitions and Translations 3
         
5 Reliance on Other Experts 5
         
6 Property Description and Location 6
         
  6.1 Area and Location 6
         
  6.2 Claims and Title 8
  6.2.1 Rosario Concessions 9
  6.2.2 Julia Concessions 9
  6.2.3 Eliana II and Eliana III Concessions 9
  6.2.4 Tamara Concessions 11
  6.2.5 Eliana I Manifestacion 11
         
  6.3 Surface Rights 13
         
  6.4 Mineralization 13
         
  6.5 Environmental Liability 13
         
  6.6 Permits 13
         
7 Access, Climate, Infrastructure, and Physiography 14
         
8 History 15
         
9 Geological Setting 16
         
  9.1 Regional Geology 16
         
  9.2 Local Geology 18
  9.2.1 Volcanic Strata 18
  9.2.2 Intrusives 22
  9.2.3 Breccias 26
  9.2.4 Structure 30
         
10 Deposit Types 31

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 i



  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

11 Mineralization 33
           
  11.1 General 33
           
  11.2 Active Mines and Exploration Areas within Rosario Project 33
  11.2.1 Rosario Area 33
  11.2.1.1 Rosario Decline 33
  11.2.1.2 Manto Pit 40
  11.2.1.3 Tamara 41
  11.2.1.4 Other Copper Occurrences 44
           
  11.3 Related Mines and Prospects Outside of Rosario Project 44
  11.3.1 Simonetta 44
  11.3.2 Carmen 46
  11.3.3 Trillador 46
  11.3.4 SOESMI 46
           
12 Exploration 49
           
  12.1 General 49
           
  12.2 Geologic Mapping and Geochemical/Mineralogical Sampling 49
           
13 Drilling 50
           
14 Sampling Method and Approach 51
           
  14.1 Sampling Method, Nature, and Spacing 51
  14.1.1 Surface Rock Chip Samples 51
           
  14.2 Recovery Factors 51
           
  14.3 Sample Quality and Representativity 51
           
15 Sample Preparation, Analyses, and Security 53
           
  15.1 Personnel 53
           
  15.2 Bridgeport Resources Sampling Program 53
  15.2.1 Sample Security/Chain of Custody 53
  15.2.2 Sample Preparation by ALS Chemex 53
  15.2.3 Analytical Techniques used by ALS Chemex 53
           
16 Data Verification 55
           
  16.1 Prior Exploration Campaigns 55
           
  16.2 Production Data 55
           
17 Adjacent Properties 58
           
18 Metallurgical Testing 59
           
19 Mineral Resource Estimate 60
           
20 Other Relevant Data and Information 61
           
21 Interpretation and Conclusions 62
           
22 Recommendations 64

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 ii


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile


   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 111


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

List of Figures

Figure  Page
Figure 6.1.     Rosario project location map. 7
Figure 6.2.     Concession Map 12
Figure 9.1.     Regional geologic map of Rosario area, summarized from Arevalo, 2005 17
Figure 9.2.     Reconnaissance geologic map of Rosario project area 19
Figure 9.3.     Autoclastic angular breccia texture, waypoint 62. 20
Figure 9.4.     Clay altered and weathered volcaniclastic arenites and siltstones, waypoint 80. 20
Figure 9.5.     Photo looking SW at SE dipping volcanic strata forming dip slope. 21
Figure 9.6.     SE dipping contact between andesites at waypoint 82 21
Figure 9.7.     Detail of andesite contact at waypoint 82 showing carbonate veining and slip planes. 22
Figure 9.8.     Unaltered, andesitic dike or sill intruding clay-sericite altered volcanic at waypoint 10. 23
Figure 9.9.     Fine grained magnetic sill cutting intrusive breccias at waypoint 072. 23
Figure 9.10.    Fine grained, dioritic intrusive with xenolith of grey limestone, waypoint 6 24
Figure 9.11.    Near vertical contact between dioritic intrusive and andesitic volcanic, waypoint 88. 24
Figure 9.12.    Sharp intrusive contact between porphyritic diorite and andesites, waypoint 110. 25
Figure 9.13.    Detail of porphyry intrusion contact with country rock andesites at waypoint 110. 25
Figure 9.14.    Fine grained andesitic dike, waypoint 23. 26
Figure 9.15.    Intrusive breccia exposed in Rosario decline. 27
Figure 9.16.    Detail of contact between clast and matrix, intrusive breccias in Rosario decline. 27
Figure 9.17.    Intrusive breccias, diorite composition, waypoint 60 28
Figure 9.18.    Intrusive breccias, diorite composition, waypoint 32 28
Figure 9.19.    Extremely coarse, mega-clastic breccias exposed in pit highwall waypoint 32. 29
Figure 9.20.    Angular clast supported breccia exposed in Rosario mine decline. 29
Figure 11.1.    Pervasive albitization following volcanic stratigraphy exposed in Rosario decline. 34
Figure 11.2.    Detail of alteration front of pervasive albitization affecting andesitic volcanic. 35
Figure 11.3.    Albite-tourmaline alteration of mineralized and sterile dioritic intrusion 35
Figure 11.4.    Sharp contact between mineralized and unmineralized diorite exposed in Rosario pit 36
Figure 11.5.    Razor sharp contact between mineralized breccia and unmineralized diorite 37
Figure 11.6.    Detail of contact between mineralized breccias and diorite, Rosario mine 37
Figure 11.7.    Detail of mineralized angular breccias, upper workings portal, Rosario mine. 38
Figure 11.8.    Cross section through Rosario mine decline. 39
Figure 11.9.    Stratiform conformable mineralized zone exposed in Manto zone. 41
Figure 11.10.  Coarse grained, porphyritic-phaneritic, dioritic intrusive at waypoint 27. 42
Figure 11.11.  Looking NA020 down trend of in oxidized copper mineralization at waypoint 107. 42
Figure 11.12.  Vug filling clots of chalcopyrite in andesite breccias at waypoint 25 43
Figure 11.13.  Breccia texture in mineralized andesite at waypoint 25 43
Figure 11.14.  Gently dipping contact between porphyry and underlying andesite. 44
Figure 11.15.  Tourmalinized andesitic volcanic exposed in outcrop on Simonetta claim 45
Figure 11.16.  Copper oxides, Rajo Norte pit, SOESMI concession 47
Figure 11.17.  Selective deposition of copper oxides controlled by lithology at waypoint 19. 48
Figure 16.1.    Loading of sulfide ore from Rosario mine for shipment to ENAMI. 56
Figure 22.1.    Satellite image of Manto pit area at Rosario project, prior to exploration or mining 66
Figure 22.2.    View looking SW at Manto pit area. 66
Figure 22.3.    Image of project area showing proposed Phase 1 diamond drillhole locations. 67

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 iv


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

List of Tables

Table Page
Table 15.1.   Element concentrations analyzed and analytical limits. 54
Table 16.1.   Descriptions and assays, samples collected from Rosario concession 57
Table 22.1.   Proposed Phase 1 Drill Program 68
Table 22.2.   Recommended work plan and budget, Rosario Project 69

List of Appendices


   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 v


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

3   SUMMARY

The Rosario project comprises structurally and stratigraphically controlled Cu-Au mineralized zones, hosted by andesitic volcanic strata, diorite intrusions, intrusive breccias, and hydrothermal breccias. Within the Rosario project, surface and underground mine workings, hydrothermal alteration, copper showings, and geochemical rock chip sampling, define a 1.4 km square area of hydrothermal alteration that contains numerous distinct zones of Cu-Au mineralization. Cu-Au mineralization is present as stratigraphically controlled, tabular mineralized zones (“mantos”), high angle mineralized structural zones, and mineralized bodies developed in or adjacent to intrusive and related intrusive and/or hydrothermal breccias. The most important copper-gold occurrences thus far identified are those contained with the Rosario concessions. Oxide and sulfide copper deposits throughout the district have been exploited by surface and underground methods, and at Rosario, an underground mine is currently producing approximately 2,000 tonnes per month of sulfide ore containing ~2% Cu and >0.5 gpt Au. The exposed copper-gold occurrences are best classified as intrusive-related systems, characterized by alteration mineral assemblages containing albite, tourmaline, actinolite/tremolite, sphene, sericite and/or clay minerals in varying proportions. The mineralized areas visited by the author at the Rosario project are geologically similar to economically important copper deposits that have been successfully mined elsewhere in Chile. The evaluation of the project by the author validated that the project host targets of economic significance that merit drill testing. Existing mining operations conclusively show that the mineralized system formed deposits of potential economic significance, but data is insufficient to determine the size and metal content of the currently exploited deposits. Drilling should be conducted with the objective of determining the orientation, size, and grade of the exposed mineralized zones. Additionally, exploration drilling is required to test for the presence of unexposed mineralized zones hosted within the identified hydrothermal alteration envelope. A $2.4M USD, two-stage exploration program, including a minimum of 3,000m of drilling is recommended.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 1 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

4   INTRODUCTION AND TERMS OF REFERENCE

4.1 Introduction

Resource Geosciences de Mexico SA de CV (RGM) and Matthew D. Gray, the author of this report, were asked by Bridgeport Ventures Inc. to perform an independent evaluation of the Rosario copper-gold project in Region III, Atacama, Chile, and to provide Bridgeport Ventures with a technical report compliant with CSA National Instrument 43-101. This report has been prepared to meet Canadian Securities Administrators National Instrument 43-101 standards. The report provides a summary of the geology of the project and its potential to host economic mineral deposits.

This revised report, with Amended date 7 December 2010, differs from the version dated 27 November 2009, revised 4 December 2009, which was filed on SEDAR on 16 December 2009, in that this report has modifications to Items 4.3, 4.4. and 5, such modifications made to insure compliance with CSA NI43-101 policies regarding limitations on disclaimers.

4.2 Terms of Reference

This Technical Report has been prepared for Bridgeport Ventures Inc., a publicly traded company listed on the TSX Venture Exchange under symbol BPV. Matthew Gray, senior partner of RGM, an independent geosciences consulting firm contracted by Bridgeport Ventures Inc., visited the Rosario project, reviewed the available geologic data, and took independent samples in connection with the preparation of the Technical Report.

4.3 Purpose of Report

The purpose of this report is to provide an independent assessment of the Rosario copper-gold project and to recommend an exploration program to enhance the economic potential of the project. This report was prepared following the guidelines of CSA National Instrument 43-101.

This Technical Report and all publications, exhibits, documentation, conclusions, and other work products obtained or developed by RGM for this Technical Report are for sole and exclusive use of Bridgeport Ventures Inc. However all reports, publications, exhibits, documentation, conclusions, and other work products obtained or developed by RGM during completion of this Technical Report shall be and remain the property of RGM. Unauthorized use or reuse by third parties of reports, publications, exhibits, documentation, conclusions, and other work products obtained or developed by RGM for the purposes of this Technical Report is prohibited. This Technical Report was prepared specifically for the purpose of complying with Canadian Securities Administrators National Instrument 43-101 and may be distributed to third parties and published without prior consent of RGM if the Technical Report is presented in its entirety without omissions or modifications, subject to the regulations of NI43-101.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 2 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

4.4 Sources of Information

In the preparation of this report the author has relied on his own observations and independent assay data, supplemented by information obtained through review of both published and unpublished documents and maps. In addition to the author’s own observations and assay data, sources of information regarding regional geology, mining history of the region, and topographic data, include:

 

-

Geologic, geophysical, and assay data collected and published by the Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología, a Chilean Federal agency.

     
 

-

Topographic and physiographic data collected and published by the Instituto Cartografico Militar, a Chilean Federal Agency.

Data that was not generated by the author has not been independently verified, except as noted in Item 16 of this report. Where information from unverified sources is relevant to interpretations and discussions of the economic potential of the project, the source of information is explicitly mentioned.

4.5 Field Examination and Data Review by the Qualified Person.

The Qualified Person responsible for this report, Matthew D. Gray, Ph.D., C.P.G., President of Resource Geosciences de Mexico SA de CV, conducted two separate field visits to the Rosario project. The project was briefly visited on 29 July 2009 while the author evaluated mines in the region. The author returned to the project for six days in October, 2009. The purpose of the visit was to examine the property geology, the most important known mineral occurrences and historic inactive mine workings, and to collect independent geochemical samples of altered and mineralized areas. The author also spent several days in RGM’s Hermosillo, Sonora office reviewing and interpreting geologic and assay data obtained during the site visit.

Prior to the field visit and data review conducted for the purposes of this Technical Report, the author had been directly involved in mineral exploration programs in the region, but had not conducted examinations of the Rosario project.

4.6 Definitions and Translations

CONAMA - Comision Nacional de Medioambiente (National Environmental Commission)

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 3 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

ENAMI - Empresa Nacional de Mineria
gpt - grams per tonne
Bridgeport - Bridgeport Ventures Inc.
ICM - Instituto Cartografico Militar (Military Mapping Institute)
km - kilometer
M - million
NAD - North American Datum
oz. - Troy Ounce
ppm - parts per million
PSAD56 - Provisional South American Datum 1956
RGM - Resource Geosciences de Mexico SA de CV
Rio Condor - Rio Condor Resources S.A.
SERNAGEOMIN - Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología (Chilean Federal Geological and Mining Survey)
USD - United States Dollar
UTM - Universal Transverse Mercatur
WGS84 - World Geodetic System 1984 datum

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 4 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

5   RELIANCE ON OTHER EXPERTS

The professional opinions expressed in this report are based in part on data and information generated by and obtained from the property owner, Rio Condor Resources S.A., experts hired by Bridgeport Ventures Inc., and public domain sources. The author of this report has excercised all reasonable care in reviewing the supplied information and believes that the information provided is accurate. Data that was not generated by the author has not been independently verified, except as noted in Item 16 of this report. Where information from unverified sources is relevant to interpretations and discussions of the economic potential of the project, the source of information is explicitly mentioned. General information for the Rosario property was obtained from the following sources:

Material Source
Mining concession Information Quinzio y Compania Abogados, Legal Counsel, Santiago, Chile; Juan Bednar R., Minerals Landman, Santiago, Chile
Assay data, due diligence sampling by M Gray ALS Chemex Laboratories Inc.
Regional and local geologic maps Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología
Regional and local topographic data Instituto Cartografico Militar

Appropriate scientific methods and best professional judgment were utilized in the collection and interpretation of data discussed in this report. However, users of this report are cautioned that the evaluation methods used herein are subject to inherent uncertainties and assumptions, over which Matthew D. Gray and RGM have no control. These uncertainties and assumptions are stated herein. Users of this report are hereby advised to be aware of and understand these uncertainties and assumptions.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 5 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6     PROPERTY DESCRIPTION AND LOCATION

6.1   Area and Location

The Rosario project comprises 324 Ha. of mining concessions and is located in the provincia of Copiapó, Region III, Atacama, Chile, approximately 38 km S-SE of the city of Copiapó (Figure 6.1) .

The center of the project area is located at UTM Zone 19 J, Southern Hemisphere, 384,900E 6,937,900N, Datum WGS 84, or South Latitude 27o 40’ 41” West Longitude 70o 10’ 03”, Datum WGS 84.

All geographic references in this report utilize UTM Zone 19 J Southern Hemisphere and datum WGS 84 unless otherwise stated.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 6 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

Figure 6.1. Rosario project location map.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 7 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6.2   Claims and Title

Mining and exploration rights in Chile are controlled by the Federal Government. Private parties can obtain mineral rights via solicitation of an exploration concession (pedimento) and prior to exploitation, converting the exploration “pedimento” to an exploitation concession. The mining concessions are administered by the SERNAGEOMIN, a Federal agency. To maintain concessions in good legal standing, concession holders are obligated to pay annual tax payments.

The Rosario project consists of 4 concession groups covering in aggregate 324 Has and one application for a mining concession currently under review for issuance of title. The titled mining concessions are shown in Figure 6.2 and concession information is summarized in the embedded table. The legal standing of these claims has been verified by Bridgeport’s legal counsel in Chile, Lic. Cristian Quinzio of Quinzio y Vergara in Santiago, Chile. Quinzio has also reviewed and confirmed the validity of the purchase option contracts by which Rio Condor Resources SA (Rio Condor), may obtain ownership of the mining concessions. Bridgeport has agreed to acquire Rio Condor.

As specified in Title 5, Paragraph 3, Section 2a, Article 74, of the Chilean Federal Mining Law (Codigo Minero), the location of concession boundaries are marked in the field with survey monuments placed by a registered engineer or minerals landman (perito minero) at the vertices of each claim group. During the site visit to the project the author located several survey monuments and obtained UTM coordinates for them using a Garmin GPS model Map60 CSX. The survey monuments matched the concession vertices indicated on the mineral claims land maps.

The claims and claim application are currently controlled by Rio Condor by means of five separate agreements whereby Rio Condor can earn a 100% interest in the mining concessions and applications, subject to a 2% NSR which may be purchased for $2M USD, by making annual cash payments over a four year period totaling $10.4M USD.

Under terms of the option agreements, Rio Condor may only waive all together the five (5) Option Agreements and does not have the right to waive one or more independently. This means that the option granted by each Option Agreement must be exercised collectively with all Option Agreements. The Rosario 1/10, Julia 1/18, Eliana I 1/20 and Eliana II 1/22 – Eliana III 1/2 Option Agreements contemplate that should the option be exercised then from the beginning of commercial production of each Mining Property a NSR Royalty of 2% must be paid by Rio Condor on a quarterly basis. Rio Condor may acquire the NSR Royalty by paying to all the vendors a purchase price of US$2,000,000. The NSR Royalty payments and if applicable its purchase price, is to be distributed among the four vendors according to the following percentages: Rosario, 26,71%; Julia, 10,29%; Eliana I, 52,82%; Eliana II, 5.09% y Eliana III, 5.09% .

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 8 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6.2.1   Rosario Concessions

Rio Condor may obtain from SLM Rosario Una de la Sierra San Marcos, a 100% interest in the Rosario 1 to 10 concessions, subject to a 2% NSR which may be purchased for $534,200 USD, under terms of a purchase option agreement executed on 5 November 2009. Rio Condor may exercise the purchase by making cash payments totaling $2,670,589 USD over a 4 year period. An initial payment of $66,765 USD has been made, and the next payment is due on 5 November 2010 in the amount of $200,294 USD.

Under current Chilean mining law a mining concession must be a square or rectangle with minimum dimensions of 100 x 100m, positioned such that sides are oriented due North-South and East-West. Because of this restriction, the ground shown in white in a stair step pattern surrounding the Rosario 1 to 10 concessions cannot be claimed by any person as an independent and individual mining concession because none of such stair steps considered individually comply with the minimum dimensions and position requirements already referred to. Under Chilean mining law, at such time that this ground is completely enclosed by other valid mining concessions, these open fractions automatically convert to irregularly shaped concession blocks called “demasias” with rights assigned to the senior contiguous concession. In this case, the Rosario concession block is the senior concession group with rights to this ground. Rio Condor’s legal counsel has advised that it is convenient to produce the “demasias” that will favor the Rosario concessions by applying for a mining concession that aside from overlapping areas already comprehended by some of the Rosario project concessions, would take part of the open areas and confine the Rosario property with two other neighboring exploitation mining claims, therefore producing the “demasias”, thus triggering the eventual assignment of this ground to the Rosario concession.

Up until such time that Rio Condor exercises the purchase option, SLM Rosario Una de la Sierra San Marcos is permitted to continue exploitation activities up to 6,000 tonnes per month.

6.2.2   Julia Concessions

Rio Condor may obtain from SLM Julia Una de la Sierra San Marcos, a 100% interest in the Julia 1 to 18 concessions, subject to a 2% NSR which may be purchased for $205,800 USD, under terms of a purchase option agreement executed on 5 November 2009. Rio Condor may exercise the purchase by making cash payments totaling $1,029,412 USD over a 4 year period. An initial payment of $25,735 USD has been made, and the next payment is due on 5 November 2010 in the amount of $77,206 USD.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 9 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6.2.3   Eliana II and Eliana III Concessions

Rio Condor may obtain from SLM Eliana II Una de la Sierra San Marcos and SLM Eliana III Una de la Sierra San Marcos, a 100% interest in the Eliana 1 to 22 and Eliana III 1 to 2 concessions under terms of a purchase option agreement executed on 5 November 2009. Rio Condor may exercise the purchase by making cash payments totaling $1,017,646 USD over a 4 year period. An initial payment of $25,441 USD has been made, and the next payment is due on 5 November 2010 in the amount of $76,323 USD.

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 10 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6.2.4   Tamara Concessions

Rio Condor may obtain from SLM Tamara I Una de la Sierra San Marcos a 100% interest in the Tamara 1 to 9 concessions under terms of a purchase option agreement executed on 5 November 2009. Rio Condor may exercise the purchase by making cash payments totaling $400,000 USD over a 4 year period. An initial payment of $15,000 USD has been made, and the next payment is due on 5 November 2010 in the amount of $35,000 USD.

6.2.5   Eliana I Manifestacion

Rio Condor may obtain from SLM Eliana I Una de la Sierra San Marcos a 100% interest in the Eliana 1 to 20 concessions under terms of a purchase option agreement executed on 5 November 2009. Rio Condor may exercise the purchase by making cash payments totaling $5,282,353 USD over a 4 year period. An initial payment of $132,059 USD has been made, and the next payment is due on 5 November 2010 in the amount of $396,176 USD.

Up until such time that Rio Condor exercises the purchase option, SLM Eliana I Una de la Sierra San Marcos is permitted to continue exploitation activities up to 4,000 tonnes per month.

The Eliana I manifestacion (claim application) is currently under review by SERNAGEOMIN and the total hectares that will be awarded to this concession is not yet determined. The application covers ground that is east of, and not contiguous with, the Julia concession block. The Eliana I application is physically separated from the core of the project area and is not shown on claim map presented as Figure 6.2.

   
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  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

Figure 6.2. Concession Map. Note that white stair step shaped areas surrounding the Rosario concession are irregular fractions with rights ultimately assignable to the Rosario concession, as described in Item 6.2.1 of this report.

   
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  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

6.3   Surface Rights

The ownership of surface rights has been investigated by Rio Condor and by a minerals landman and no record of private surface rights has been found in the public record thus the lands are interpreted to be Federally held. Rio Condor has requested confirmation of Federal surface rights from the Chilean Federal lands bureau. Chilean mining law allows exploration activities to proceed on undeveloped lands without requirement of a surface access agreement. The legal ownership of surface rights has not been verified by the author or RGM.

6.4   Mineralization

Numerous active small mines and exploration workings are present within the property area. Nearly all are developed on zones of supergene copper mineralization, and are easily identified in the field by the distinctive blue, green, and blue-green coloration of the rock caused by the presence of copper oxides, carbonates, sulfates, silicates, and halides, accompanied by varying amounts of iron-oxide staining. Controls on mineralization include high angle structural zones, volcanic stratigraphic contacts, and intrusive and/or hydrothermal breccias. The metals currently produced are copper and gold. The principal mineralized occurrences and mines in the district that have thus far been explored are described in Item 11 of this report.

6.5   Environmental Liability

Potential environmental liabilities associated with the active and historic mining at the project have not been investigated or verified by the author or RGM, but no significant environmental liabilities are apparent. Small abandoned mines and unmineralized rock piles are present but are not generating acid drainage. There are no plant facilities present within the project area, nor are tailings piles present.

6.6   Permits

Exploration and mining activities in Chile are subject to control by the Comision Nacional de Medioambiente (CONAMA). A review of environmental compliance and permitting issues was not within the scope of the present study. Because the Rosario project is within an active mining district, and the project itself hosts an active mining operation, it is presumed that additional exploration activities at Rosario will not be prohibited by environmental regulations. Chilean mining law grants a mining concession holder the right to conduct basic exploration activities, including drilling, without the need for prior Federal approval.

   
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7   ACCESS, CLIMATE, INFRASTRUCTURE, AND PHYSIOGRAPHY

The property is located approximately 38 kilometers east-southeast of the city of Copiapó, in the provincia of Copiapó, comuna of Tierra Amarilla, Region III, Atacama, Chile (Figure 6.1) . Access is by road from Copiapó and requires approximately 1 hour of travel time. The first 26 kilometers is via paved Federal Highway 35, heading south to the electrical substation at the COEMIN mineral processing plant, thence turning east on unpaved highway C401. Beginning at C401 the remaining distance (approximately 20 kilometers) is on unpaved but well maintained high speed roads. From the COEMIN plant one travels east 7 km on Highway 401 and then turns south on road C405 continuing 12km, thence west onto the access road to the Rosario mine for a distance of 1.5km to arrive at the mine area. Road C405 passes directly through the project area. Electric transmission lines follow highway C401 and are close as 11 km to the project.

All basic services are available in Copiapó and Tierra Amarilla, both of which are important mining centers. The project area is unpopulated, except for the camps of the miners currently exploiting the copper deposits. Most of the inhabitants of the region depend on mining and agriculture (grapes) for economic sustenance. An adequate supply of experienced labor for mining operations can be drawn from the region.

The nearest commercial airport is located 46km west of Copiapó and is served by daily flights from Santiago and other Chilean cities.

The property is in the southern portion of the Atacama desert, west of the Andean Cordillera. The topography consists of gentle mountain ranges separated by narrow valleys. Elevations in the project area range from 1,050 meter ASL to over 1,460 meter ASL. Areas of low relief in the southern portion of the project area are suitable locations for mill sites, leach pads, waste dumps, and other mine related infrastructure.

The climate in the area is arid with seasonal temperatures ranging from an average annual high of 28oC in January and an average annual low temperature of 5 oC in July, as measured at meteorological station Copiapó-Chamonate located at 27° 18' S, 70°25' W, 291 m ASL (Dirección Meteorológica de Chile, 1991). Average annual precipitation is 12 mm. Exploration activities may be conducted year round.

Vegetation in the area is sparse to absent, consisting only of small scrub in the valley floors along temporal river or stream channels.

   
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8   HISTORY

The date of the earliest exploration and mining activity in the San Marcos district is undocumented. Early exploration of the district probably occurred in the late 1700’s concurrent with the early exploitation of mines in the nearby Punta del Cobre and Pampa Larga mining districts (Ortiz et al, 1966; Salas, 1954).

Modern exploration of the district consists of direct mining of copper oxide showings exposed in outcrop using tracked excavators. Small scale exploitation of mineralized zones exposed in outcrop commenced in the early 1990s with ores produced sold directly to the Federally controlled mining company, Empresa Minera Nacional SA (ENAMI), operator of a mill and floatation concentration plant located adjacent to Copiapó.

The only drilling known to have been completed in the district are shallow (<100m) diamond core holes completed within or adjacent to small surface cuts and pits at the SOESMI and Trillador properties. In the case of the former, the claimant reports that Sociedad Punta del Cobre SA (Pucobre) completed a 916m drill campaign in the first semester of 2009, and in the case of the latter, ENAMI completed an unknown number of drillholes targeting the extensions of copper oxide mineralization exposed in surface cuts and open pits. During field review of the Simonetta area the author noted an uncapped and uncased abandoned drillhole, apparently an exploration drillhole targeting a zone of copper oxide mineralization exposed in a small surface cut. The entity responsible for this drilling and the results are unknown to the author.

During the field review ground electrode stations for IP surveys were noted in the Simonetta and Rosario concessions. The claimant of the Simonetta concession advises that Freeport conducted the IP survey in the area in 2008.

Minera Barahona has been mining oxide and sulfide ores at the Rosario concession from surface cuts, open pits, and a spiral decline, and currently is selling approximately 2,000 tonnes per month of sulfide ores to ENAMI, delivered to the ENAMI mill and concentration plant outside of Copiapó.

   
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9   GEOLOGICAL SETTING

9.1 Regional Geology

The Rosario Project is within the San Marcos Mining District, hosted by the Cretaceous Cerillos Formation, a 6,000m thick sequence of dominantly clastic sedimentary strata which crops out continuously in an 8km wide, 70km long, N-NE trending swath (Arevalo, 2005). Regional geology is summarized in Figure 9.1. The upper 3,500m of the sequence hosts conglomerates and volcanic breccias intercalated with sandstones and andesite and basaltic andesite lavas and autoclastic breccias. Diaz et el. (1998) described irregular manto, chimney, and vein Cu deposits hosted by andesitic lavas of the Cerrillos Formation where they were intruded by dikes and small stocks of andesitic and dioritic composition. The deposits described by Diaz et al. (1998) contain specularite and/or magnetite as characteristic gangue minerals. The Cerrillos Formation lacks chronostratigraphic fossils but paleontological and radiometric age dates of underlying strata and cross cutting intrusives fix the age of the Cerrillos Formation within the range 89 to 125 Ma (Aptian – Turonian). Geologic and metallogenic maps (Diaz et al., 1998, Arevalo, 2005) published by the Chilean Geological Survey (SERNAGEOMIN – Servicio Nacional de Geologia y Mineria) demark an extensive zone of hydrothermal alteration (mineral assemblage not specified) that partly covers the Rosario project area. The Cerillos Formation overlies and is separated from the Jurassic-Cretaceous Chanarcillo Group and the Punta del Cobre Formation by an erosional disconformity.

   
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Figure 9.1. Regional geologic map of Rosario area, summarized from Arevalo, 2005.

   
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9.2 Local Geology

The following discussion of project geology is based upon 6 days of field examinations by the author. A reconnaissance geologic map of the district is presented as Figure 9.2. A listing of waypoints where geologic data was collected is presented as Appendix C.

9.2.1   Volcanic Strata

The project area is underlain by a compositionally monotonous sequence of andesitic volcanic and volcaniclastic strata. A lack of compositionally or texturally distinct marker units hinders mapping of the area. Andesites observed include dark, magnetic, fine grained, sparsely porphyritic aphanitic andesites in which fine grained plagioclase phenocrysts are the only megascopically observable mineral, and course grained, plagioclase phenocrystic, porphyritic-aphanitic, non magnetic andesites. Breccia textures interpreted to be autoclastic flow breccias were observed (Figure 9.3) but many of the andesites lack textural evidence that would indicate a subaerial rather than shallow subvolcanic origin. Fine grained volcaniclastic arenites and siltstones are interpreted to be intercalated with the andesites. The volcaniclastic strata recessively weather and are generally only exposed in road cuts (Figure 9.4) . Where primary volcanic stratification was observed and measured, it consistently had northeast strike with dip to the southeast at 25 to 45 degrees. (Figures 9.5 and 9.6) . Many volcanic lithologic contacts exhibit some degree of structural dislocation (Figure 9.7), but the contacts are interpreted to reflect primary volcanic contacts that served as zones of weakness that localized later small scale displacements as a result of post-depositional stress. Displacement along the primary contacts is unquantified but is interpreted to be a result of relatively minor bedding plane slip.

   
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Figure 9.2. Reconnaissance geologic map of Rosario project area.

   
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Figure 9.3. Autoclastic angular breccia texture. Andesite clasts in andesite matrix, waypoint 62.

Figure 9.4. Clay altered, oxidized and weathered, fine grained volcaniclastic arenites and siltstones, waypoint 80.

   
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Figure 9.5. Photo looking SW at SE dipping volcanic strata forming dip slope.

Figure 9.6. SE dipping contact between andesites at waypoint 82. Photo looking NE.

   
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Figure 9.7. Detail of andesite contact at waypoint 82 showing carbonate veining and apparent slip planes along contact.

9.2.2   Intrusives

Reconnaissance mapping indicates that the andesitic sequence has been intruded by dikes, sills, and small stocks of diorite and andesitic subvolcanic intrusives. Three compositionally similar but texturally different types of intrusive are recognized: dark colored, fine grained, magnetic, plagioclase bearing dikes and sills; equigranular, fine grained, dioritic intrusions present as sills, dikes and irregular plugs; and course grained, plagioclase phenocrystic, porphyritic-phaneritic dioritic intrusive. The intrusives are compositionally similar to the strata they intrude, and in many cases are difficult to distinguish from their host rocks where the textural contrast is slight and intrusive contacts are not exposed. Pervasive hydrothermal alteration further obscures the nature of the intrusives. Where they are intensely hydrothermally altered, they are not distinguishable from their altered host rocks. Even where not intensely altered, conformable sills are not readily distinguishable from the volcanic strata.

The fine grained, magnetic, plagioclase phenocrystic, porphyritic-aphanitic intrusives often are not intensely hydrothermally altered and appear to post date the mineralizing event (Figure 9.8) . These intrusions are often erosionally resistant and cap hills or form dip slopes (Figure 9.9), giving a misleading impression of a wide distribution. The equigranular, fine grained, dioritic intrusives appear to be present as both sills conformable with volcanic bedding and as dikes or plugs that transect the volcanic stratigraphy (Figures 9.10 and 9.11) . The coarse grained, plagioclase phenocrystic, porphyritic-phaneritic intrusive is observed in the western portion of the project area where its outcrop pattern suggests it is present as small stocks. It is seen in razor sharp contact with the country rock andesites (Figures 9.12 and 9.13) and it is crosscut by fine grained to aphanitic andesitic dikes (Figure 9.14) . A fine grained, equigranular dioritic intrusion outcrops in the eastern portion of the project area and the Rosario mine decline is developed in this intrusive. Exposures in the Rosario decline are consistent with the dioritic intrusion(s) being present at least in part as sills conformable to the volcanic stratigraphy.

   
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Figure 9.8. Unaltered, dark grey, plagioclase phenocrystic, magnetic andesitic dike or sill intruding pervasively bleached, clay-sericite altered volcanic at waypoint 10.

Figure 9.9. Fine grained magnetic plagioclase phenocrystic sill cutting intrusive breccias and forming dip slope at waypoint 072.

   
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Figure 9.10. Fine grained, weakly porphyritic, plagioclase phenocrystic, dioritic intrusive with xenolith of grey limestone, waypoint 6.

Figure 9.11. Near vertical contact between fine grained, equigranular, dioritic intrusive and andesitic volcanic, waypoint 88.

   
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Figure 9.12. Sharp intrusive contact between coarse grained, plagioclase phenocrystic, porphyritic phaneritic diorite and country rock andesites, waypoint 110.

Figure 9.13. Detail of porphyry intrusion contact with country rock andesites at waypoint 110.

   
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Figure 9.14. Fine grained andesitic dike in apparent crosscutting relationship with coarse grained, plagioclase phenocrystic, porphyritic-phaneritic, dioritic intrusive, waypoint 23.

9.2.3   Breccias

Outcrops of matrix-supported, rounded to subangular breccias comprised of dioritic clasts in a dioritic matrix are interpreted as intrusive breccias associated with emplacement of diorite (Figures 9.15, 9.16, 9.17, 9.18, and 9.19) . Breccias with similar texture that exhibit pervasive hydrothermal alteration of both clasts and matrix may represent altered intrusive breccias or may be hydrothermal breccias cutting diorite (Figure 9.20) . These breccias are often associated with mineralization as discussed in Item 11 of this report.

   
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Figure 9.15. Intrusive breccia exposed in Rosario decline comprised of large angular dioritic clasts in fine grained dioritic (?) intrusive matrix. Note white color of clast caused by pervasive albitization, with similar intense alteration absent from matrix.

Figure 9.16. Detail of contact between clast and matrix, intrusive breccias exposed in Rosario decline.

   
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Figure 9.17. Intrusive breccias, diorite composition, waypoint 60.

Figure 9.18. Intrusive breccias, diorite composition, waypoint 32.

   
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Figure 9.19. Extremely coarse, mega-clastic breccias exposed in pit highwall waypoint 32.

Figure 9.20. Angular clast supported breccia exposed in Rosario mine decline. Pervasively albite altered. Interpreted as hydrothermal breccia.

   
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9.2.4   Structure

A lack of distinctive mappable marker units precludes inference of large scale structures by offsets, termination, or repeats of outcrop patterns. Numerous NA265 to 315 striking, steeply SW dipping to vertical, fault planes were noted in mine workings and prospects throughout the project area, and in one case a mapped fault correlates with a linear feature observable on satellite images with an apparent strike length of greater than 600m, however in most cases faults observed cannot be confidently projected beyond the immediate area of exposure. The inferred northeast striking fault shown on Figure 9.2 is not directly observed but is inferred on the basis of the linear termination of outcrops of intrusive and breccias. High angle, sheeted fractures and joints were observed at every azimuth and at the level of reconnaissance mapping completed thus far, no dominant structural fabric is apparent.

   
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10 DEPOSIT TYPES

The exploration target recognized at the project is an intrusive related Cu-Au deposit, with ore metal distribution controlled by both lithology and structure. The Rosario mineralized system shares some common traits with IOCG (iron oxide copper gold) deposits including an association with Na-metasomatism and ore mineralogy dominated by chalcopyrite, and the deposit is located within a productive IOCG mineral belt, however hypogene specularite and/or magnetite, which are an essential component of IOCG deposits, were not observed to be present. The Rosario deposit has traits in common with Chilean manto type copper deposits including andesitic host rocks, stratigraphic control to metal distribution, association with dioritic intrusions, and albitic alteration, however the Rosario system’s elevated gold content contrasts sharply with typical Chilean manto deposits that are gold deficient, Cu-Ag systems. The Rosario system is classified by the author as intrusive related, but not a porphyry system. Rosario lacks phyllic (quartz-sericite-pyrite) alteration zones, potassic alteration zones, and stockwork veinlets, all of which are characteristic of porphyry systems.

Three partially overlapping mineralized environments are present at the prospect, and all are interpreted to be genetically related:

  1.

Manto copper deposits, in which the host rocks are andesitic volcanic strata and primary copper sulfide mineralization is present in conformable stratiform zones.

  2.

Intrusive and breccia hosted copper deposits, in which the host rock is dioritic intrusion and/or related breccias.

  3.

Structurally controlled copper deposits, in which distribution of copper mineralization is related to high angle faults and structural zones.

Any one or all three mineralization styles may be present at a particular target area. High angle structures may control the distribution of mantos, with mantos preferentially developed adjacent to them, and the structures may also influence emplacement of intrusions, intrusive breccias, and hydrothermal breccias, thus the intrusive and breccia related Cu occurrences may be cospatial with or independent of manto and high angle mineralized zones.

The Rosario system exhibits some similarities to both Chilean manto and IOCG deposits. Some of the economically important examples of these ore deposit types are discussed herein. The mineralization described for the mines in this section is not necessarily indicative of the mineralization at the Rosario property.

Chilean manto deposits are stratigraphically controlled, andesite hosted Cu deposits, and have been an economically significant ore type in Chile. The mineralized mantos are tabular zones developed in favorable volcanic strata, and the mantos are developed adjacent to high angle mineralized structural zones. High angle hydrothermal breccias are often important hosts of mineralization, thus the manto deposits encompass tabular stratiform orebodies; discordant, vein type near vertical orebodies; and high angle discordant pipe-shaped or chimney deposits hosted by breccias. Two important metallogenic environments host manto deposits in Chile, the Jurassic La Negra Formation in the Coastal Cordillera in Region II, and the Early Cretaceous volcanic belt in between Region III and Santiago. The most important mines developed on manto orebodies include Mantos Blancos, hosted by andesites of the La Negra Formation, with production, resources, and reserves of 500Mt @ 1.0% Cu (Ramirez et al., 2006) and El Soldado, hosted in Cretaceous volcanic rocks of the Lo Prado Formation, with production and reserves of 130Mt @ 1.5% Cu (Boric et al, 2002). The mineralization described for the mines in this section is not necessarily indicative of the mineralization at the Rosario property.

   
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Chilean IOCG deposits share some chemical and morphological characteristics in common with manto deposits. In IOCG deposits andesitic volcanic strata are often important ore hosts and stratiform tabular mineralized zones may be developed adjacent to high angle mineralized structures. The IOCG ores typically contain economic quantities of both copper and gold. Hypogene specularite and/or magnetite form a significant part of the gangue mineral assemblage, and in some cases are present in sufficient concentrations that the deposits constitute iron ore. The Punta del Cobre deposit mine located 22km north-northwest of Rosario, is hosted by Late Jurassic-Early Cretaceous andesites and exhibits both high angle structural and stratigraphic controls to copper mineralization. It has been classified as an IOCG deposit (Sillitoe, 2003). Current production is approximately 10,000 tonnes per day of ore grading 1% copper (personal communication by Pucobre staff during site visit) and the mine has reported cumulative production and reserves of approximately 120Mt grading > 1% Cu and approximately 0.5 gpt Au (Marschik and Fontbote, 2001). The Candelaria copper mine is located 21km northwest of Rosario and is also considered an IOCG deposit (Sillitoe, 2003). A significant portion of ore is hosted in andesites of the Cretaceous Punta del Cobre Formation as 10 to 50m thick mantos controlled at least in part by the contact of the andesites and overlying volcaniclastic sedimentary rocks. Chalcopyrite is the only significant copper ore mineral (Ryan et al., 1996). Initial mining reserves were reported as 366Mt grading 1.08% Cu and 0.26 gpt Au (Ryan et al., 1996). The mineralization described for the mines in this section is not necessarily indicative of the mineralization at the Rosario property.

   
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11 MINERALIZATION

11.1   General

Numerous copper occurrences and zones of hydrothermal alteration are exposed in outcrop, small active mines, and exploration workings throughout a 3km2 area centered upon the Rosario property. Host rocks to copper mineralization include andesitic volcanic strata, andesitic porphyritic intrusions, dioritic intrusions, and intrusive and/or hydrothermal breccias. Both high angle structural and low angle stratigraphic controls are observed. Mineralized zones are characterized by alteration mineral assemblages which include albite, tourmaline, actinolite/tremolite, sericite, clay minerals, and sphene(?). The mineralized area that has been the focus of exploration and exploitation is within the Rosario concession. Other mines and exploration workings in the district include the Simonetta, Rosario, Trillador, Carmen, Tamara, and SOESMI concessions. All are part of a single large mineralizing system and share some characteristics in common, but some differences are also observed between the different areas, as described in this report. Although not all district copper showings are included in the Rosario project, the geologic observations made at these other showings have relevance to the interpretation of the geology of the Rosario project thus they are herein discussed. All of the prospects and small mines were developed on zones of outcropping copper mineralization comprised of copper carbonates, sulfates, silicates, and halides, principally malachite, chrysocolla, and chalcanthite, with or without accompanying atacamite. For simplicity of use, this supergene mineral assemblage, formed by the oxidation of primary copper sulfide minerals, will hereafter be referred to as “oxide copper” or “copper oxide” mineralization. Primary copper sulfides are present at depths of 2 to 20 meters below the present topographic surface. The most important mines and showings visited by the author are herein described.

11.2   Active Mines and Exploration Areas within Rosario Project

11.2.1 Rosario Area

11.2.1.1        Rosario Decline

The Rosario mine is the principal producer in the district. Minera Barahona is currently mining 2,000 tonnes per month of sulfide copper ores grading ~2 % Cu and 0.8 gpt Au. Ores are sold to the ENAMI plant in Copiapó. Initial production was from small pits and surface cuts developed directly on outcropping zones of oxide copper mineralization but current production is exclusively of sulfide ores mined via underground methods and accessed by a spiral decline. The Rosario mine, like all mines in the district, does not have any defined mining reserves or mineral resources. The mine operates by direct mining of mineralized zones exposed in surface outcrop, and in the case of the Rosario decline, mining has continued to depths beyond those attainable in open cuts by development of an underground mine accessed by a spiral decline.

   
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At the Rosario underground mine, primary copper mineralization is hosted by a fine grained, equigranular dioritic intrusion and related intrusive and or hydrothermal breccias. The intrusive is present as both conformable sills and as discordant small plugs or stocks. The mineralized area is characterized by albite alteration, which locally is pervasive and intense, of both the intrusion and the host volcanic strata (Figures 11.1 and 11.2), often accompanied by tourmaline in the form of fine grained disseminated black grains, and by chlorite and actinolite/tremolite replacement of  mafics. Elevated Na2O contents of as much as 10.5% (7.8% on an elemental Na basis) indicate the altered rocks were affected by Na metasomatism (Appendix A). Both mineralized and unmineralized intrusive are albite and tourmaline altered (Figure 11.3) . A fine grained, translucent, pale yellow green mineral with adamantine luster is present as disseminations in intensely albitized rock and has been tentatively identified as sphene, and comprises a minor component of the alteration mineral assemblage. In breccias zones both clasts and matrix are tourmalinized. It is not clear if these breccias are altered intrusive breccias or hydrothermal breccias. The albite alteration zone lies within a broader zone of pervasive hydrothermal alteration which is expressed as bleaching and clay-sericite alteration of the host rocks, locally accompanied by primary sulfides that form Fe-oxide color anomalies in weathered exposures.

Figure 11.1. Pervasive albitization following volcanic stratigraphy exposed in Rosario decline. White albitized unit has same orientation as host volcanic and upper contact of albitized zone is an alteration front. Sample ROS-009 was collected from this zone and yielded 37 ppm Cu and 0.001gpt and elevated Na2O content of 10.5%, indicative of Na metasomatism.

   
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Figure 11.2. Detail of alteration front of pervasive albitization affecting andesitic volcanic.

Figure 11.3. Albite-tourmaline alteration of mineralized and sterile dioritic intrusion. Rusty oxidized zone hosts disseminated chalcopyrite and is in sharp contact with white unmineralized altered diorite.

The morphology of the mineralized zones is undetermined. Stopes on the ore are unordered and indicate no preferred orientation, which is consistent with observations made at the mine, where high grade mineralized diorite was observed in razor sharp but irregular contact with altered but unmineralized diorite (Figure 11.4) . Mineralized breccias also exhibit razor sharp irregular contacts with the host diorite (Figures 11.5, 11.6, and 11.7) . Mined zones exposed are as much as 20m high with horizontal dimensions measured in the tens of meters. Since September of 2007, Minera Barahona has produced over 15,000 tonnes of sulfide ores from the Rosario decline with average grade of 2.05% Cu and 0.79 gpt Au (Appendix B). Ores have been exploited over a vertical interval of greater than 40m. The author's independent sampling yielded 0.86% Cu and 0.23 gpt Au at the deepest level of the Rosario decline (Figure 11.8, sample ROS-001, Table 16.1, and Appendix A), indicating that mineralization continues to at least the deepest level currently developed.

   
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Figure 11.4. Sharp contact (dashed red line) between mineralized and unmineralized diorite exposed in Rosario pit. White rock is albitized unmineralized diorite, rusty weathering rock with some copper staining is mineralized diorite containing several percent disseminated chalcopyrite.

   
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Figure 11.5. Razor sharp irregular contact between mineralized breccia and unmineralized but intensely altered diorite, upper adit, Rosario mine. Sample ROS-012 is of unmineralized diorite from this pillar and assayed 0.10 % Cu and 0.29 gpt Au whereas sample ROS-013 collected from the underlying mineralized breccia assayed 4.36% Cu and 1.01 gpt Au.

Figure 11.6. Detail of contact between mineralized breccias and diorite, upper adit near portal, Rosario mine.

   
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Figure 11.7. Detail of mineralized angular breccias, upper workings portal, Rosario mine. Sample ROS-013 was collected from the breccia at this site and assayed 4.36% Cu and 1.01 gpt Au.

The ore mineral assemblage consists of chalcopyrite with or without subordinate bornite. Pyrite is sparsely present as a gangue mineral. The chalcopyrite, and bornite when present, occur as fine grains evenly disseminated throughout the host rock. Veinlets of any scale are absent, and no fracture or microfracture control was observed. In some cases the copper sulfides were clearly observed to be replacing chloritized mafic minerals. Molybdenum minerals were not observed in hand specimens, but molybdenum is present in the Cu-Au mineralized zones in amounts of as much as 0.04%, suggesting the presence of molybdenite. Multielement geochemical data for ore and altered wallrock samples is presented as Appendix A and sample descriptions are included in Table 16.1.

   
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Figure 11.8. Cross section through Rosario mine decline.

   
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11.2.1.2        Manto Pit

The manto pit is located 850m west-southwest of the Rosario decline and was developed as a series of open cuts on oxidized zones of primary sulfide copper mineralization. The oxidized mineral assemblage consists of malachite, chrysocolla, chalcanthite, and possibly atacamite. In contrast to the Rosario decline, the main host rock appears to be the southeast dipping andesitic volcanic strata, although the intense alteration may be masking the presence of conformable sills of similar composition. The deepest portions of the surface cuts expose primary sulfide mineralization, present as disseminated chalcopyrite in the andesitic volcanic host. A two meter vertical representative sample, ROS-014, was collected across the lowermost exposed portion of the zone where it hosts disseminated chalcopyrite. Sample ROS-014 yielded 1.79% Cu and 0.01 gpt Au. The mineralized zone appears to follow the primary volcanic stratigraphy and dips 45o to the southeast (Figure 11.9), and is coincident with a planar fault zone interpreted to be a result of bedding plane slip. As exposed in the surface cuts, the mineralized zone is 12m thick, and possible greater, but mineralization intensity varies across the exposed thickness. The mineralized zone lies within an extensive zone of pervasive hydrothermal alteration manifested by bleaching and clay-sericite alteration of the andesitic volcanics, accompanied by pyritization of the footwall to the mineralized zone, which is well expressed as an Fe-oxide color anomaly at surface. Some of the pyritic zone appears to be composed of a pyritic dioritic sill intruded into the andesite sequence. Copper oxide showings in pervasively bleached and sericite-clay altered volcanics located northeast of the main manto pit are interpreted to be part of the same mineralized zone, and if so, indicate a mineralized strike length of 175m. Sample ROS-015, a 2m representative sample over a 4m2 area, was collected from an open cut on a copper showing northeast of the Manto pit, and yielded 3.85% Cu and 0.08 gpt Au. Copper oxide showings beyond the hill crest east of the manto pits indicate that at least a 115m stratigraphic thickness of the andesites has at least been locally mineralized, assuming that the dip projection of the volcanic strata is constant to the southeast and that no structural offsets are present between the copper showings.

   
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Figure 11.9. Stratiform conformable mineralized zone exposed in Manto zone, dipping 45 degrees southeast.

11.2.1.3        Tamara

Copper mines and prospects visited in the Tamara concession are hosted in coarse grained, plagioclase phenocrystic, porphyritic rocks, some of which are porphyritic–phaneritic and appear to be intrusive, whereas others are porphyritic-aphanitic and may be extrusive or of shallow subvolcanic origin (Figure 11.10) . Copper mineralization is also present in andesitic volcanics near the contact with the porphyritic unit. In contrast to other mineralized occurrences in the area, at Tamara a clear structural control is observed for some mineralized zones. A north-northeast striking vertical fracture zone controls copper mineralization over at least a 200m strike length as exposed in various workings and prospects in the northern portion of the concession (Figure 11.11) . The northeast structure is interpreted to control the distribution of primary copper sulfides, but oxidation of them results in malachite and chrysocolla occurring as coatings on fractures of diverse orientations, a reflection of local small scale remobilization and precipitation of copper. Primary copper sulfide mineralization is exposed in both the coarse porphyritic unit and host rock andesite where it occurs as disseminations in the course porphyry and as vug filling clots in the andesite (Figure 11.12) . A poorly defined breccia texture is developed in the andesite, possible a result of autoclastic brecciation at a flow top, or possibly a result of variable pervasive bleaching and albitization of the host rock (Figure 11.13) . The contact between the coarse grained porphyry and the underlying andesite is conformable with the regional dip of the volcanic strata, and this porphyry may be an extrusive volcanic (Figure 11.14) . The copper mineralized zone follows the contact and the volcanic stratigraphy.

   
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Figure 11.10. Coarse grained, plagioclase phenocrystic, porphyritic-phaneritic, dioritic intrusive exposed in surface cut at waypoint 27.

Figure 11.11. Looking NA020 down strike of 80SE dipping planar fractures that control trend of small mines and prospects in oxidized copper mineralization, at waypoint 107. Note that

   
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high angle NE fractures control distribution of copper showings, but at any particular prospect copper mineralization is present as coatings on fractures of diverse orientations.

Figure 11.12. Vug filling clots of chalcopyrite in andesite breccias, possibly an autoclastic flow top breccia, at waypoint 25.

Figure 11.13. Breccia texture in mineralized andesite at waypoint 25.

   
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Figure 11.14. Gently southeast dipping contact between coarse grained porphyry and underlying andesite. Note stoping is concentrated in the underlying andesite, but both units are copper mineralized.

11.2.1.4        Other Copper Occurrences

Numerous small cuts and prospects are developed on oxide copper showings throughout the Rosario claim. In most cases, no clear structural or stratigraphic control to copper distribution is noted. In most prospects, copper oxides are present as fracture coatings and as pervasive stains or impregnations. The former result from precipitation of transported copper and the host rock to the fracture coating copper oxides may not have been a host to primary mineralization, however the pervasive impregnations of copper oxides clearly correlate with the former presence of disseminated copper sulfide and result from in-situ oxidation.

11.3   Related Mines and Prospects Outside of Rosario Project

11.3.1 Simonetta

The Simonetta area is adjacent to and east of the Rosario area. The diorite intrusion and intense alteration observed at Rosario extends onto the Simonetta ground where tourmalinization and pervasive bleaching of diorite and andesite country rock was observed (Figures 9.2 and Figure 11.15) . Exploration of surface copper showings with a tracked excavator has revealed both irregular zones of oxidized copper mineralization and zones of primary chalcopyrite at shallow depths. The control of copper distribution is unclear. Transported supergene copper mineralization occurs as coatings on fractures and fault planes of diverse orientations, but these structures appear to be local controls of transported copper and do not necessarily reflect the controls of the hypogene copper sulfide distribution.

   
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Figure 11.15. Tourmalinized andesitic volcanic exposed in outcrop on Simonetta claim. Irregular black tourmaline replacement of host rock yield a mottled, pseudo-breccia appearance.

During field review of the Simonetta area the author noted an uncapped and uncased abandoned drillhole, apparently an exploration drillhole targeting a zone of copper oxide mineralization exposed in a small surface cut. The entity responsible for this drilling and the results are unknown to the author.

   
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11.3.2 Carmen

The Carmen workings are hosted within a large area of bleached, sericite-clay altered andesitic volcanic and are developed in zones of fracture coating and pervasive malachite-chrysocolla mineralization. A lessee is currently producing oxide copper ores from small pits. A tunnel of greater than 100 m length exposes primary sulfide mineralization comprised of disseminated chalcopyrite hosted in albitized andesite and/or a fine grained dioritic intrusion.

11.3.3 Trillador

The claimant of the Trillador concession is currently producing oxidized copper ores from small surface cuts and pits at the property. The largest pit is developed entirely within a coarse grained, plagioclase phenocrystic, porphyritic-phaneritic, dioritic intrusive which is pervasively malachite stained and impregnated, consistent with in-situ oxidation of primary chalcopyrite. Other workings are developed in dark, fine grained, magnetic, plagioclase phenocrystic, weakly porphyritic andesite where malachite and chrysocolla coat fractures. Primary copper sulfide mineralization is exposed in a decline developed in an arroyo in the north portion of the claim, where it exposes fine grained, magnetic, plagioclase phenocrystic, weakly porphyritic andesite containing disseminated course clots of chalcopyrite. The control on the chalcopyrite distribution is not evident. The claimant reports that shallow drilling by ENAMI within some of the oxide pits intersected primary sulfide mineralization at depths of less than 15 meters. Neither drillcore, nor original drill logs nor original assay certificates were available for review and the reported intercepts have not been verified. During field review of the Trillador concession Gray noted several drillhole collar monuments within a small open pit.

11.3.4 SOESMI

The SOESMI claims cover the westernmost known copper occurrences in the district. As at the adjacent Tamara concession, the coarse grained plagioclase phenocrystic porphyry is an important host of copper mineralization at SOESMI. Numerous surface cuts and pits are developed in zones where copper oxides are abundant. In some cases the copper oxides are present only as fracture coatings and the host rock is not significantly altered nor does it show evidence of ever having hosted primary sulfide. In these cases the oxide copper is interpreted to be purely exotic transported copper (Figure 11.16) . In cases where the host rock is pervasively and penetratively stained by copper oxides, in-situ oxidation of primary copper sulfides is implied.

Precipitation of supergene copper oxides was at least in part controlled by lithology. In several instances gaudy fracture coatings of copper oxides are entirely restricted to fractures in fine grained andesitic dikes that crosscut the coarse grained plagioclase porphyry. Fractures are copper oxide encrusted when in the fine grained andesite but barren when in porphyry (Figure 11.17) . Xenoliths of andesite within the porphyry exhibit the same control on copper oxide precipitation. In these cases it is clear that the observed copper oxides are not the result of in situ oxidation of copper sulfide minerals and the source of the copper is unknown.

   
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The claimant of the SOESMI concessions reported that Sociedad Punta del Cobre (Pucobre) optioned and explored the SOESMI concessions in 2009 and drilled 10 shallow diamond core holes totaling 916m, in and around the surface pits. The claimant of the SOESMI concession provided to the author a photocopy of a report that he stated was delivered to him by Pucobre at the termination of their drill program on the property. The most significant result reported was a 12m intercept of sulfide mineralization containing 4.98% Cu from 76 to 88m depth in a vertical drillhole. Neither drill logs, drill core, nor original assay certificates for this hole were available for review and this reported intercept has not been verified. The results reported by the SOESMI claimant should be regarded as historical in nature, are not CSA NI43-101 compliant, and should not be used for economic assessments of the project. During field review of the SOESMI concession Gray noted in the field 10 drillhole collars and monuments whose locations are the same as those listed in the

Figure 11.16. Copper oxides present as exotic, transported copper precipitated as fracture coatings, Rajo Norte pit, SOESMI concession.

   
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Figure 11.17. Selective deposition of copper oxides controlled by lithology. Fractures in fine grained andesite dike selectively coated with copper oxides, SOESMI concession, working at waypoint 19.

   
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12 EXPLORATION

12.1   General

Exploration completed to date at the project consists predominantly of direct mining of exposed mineralized zones by the mining concession owners or lessees. The claimants of the district utilize tracked excavators and bulldozers to expose bedrock in areas where copper oxide staining is observed at surface.

Shallow exploration drillholes are reported to have been completed within or immediately adjacent to some of the small oxide copper pits at both the SOESMI and Trillador properties as described in Items 8, 11.3.1, 11.3.3, and 11.3.4 of this report. Neither Bridgeport, RGM, or Gray have access to original data for these drill campaigns.

During his reconnaissance, Gray observed in the field IP electrode stations at the Simonetta and Rosario concessions. The owner of the Rosario concession reported that Freeport completed IP studies in the area prior to making an unsuccessful offer to option the Rosario project, but the results of this survey are not available to the author or the claim owners.

Bridgeport Ventures exploration of the property commenced in October 2009 when M Gray conducted reconnaissance studies of the district geology and the operating mines.

12.2   Geologic Mapping and Geochemical/Mineralogical Sampling

Reconnaissance mapping was completed over a 6 day period in October 2009, using 1:50,000 scale topographic maps and public domain satellite images as a mapping base. A Garmin GPS Map60CSX was used for survey control. All known small mines and significant copper showings in the district were reviewed, but efforts were concentrated on the Rosario concession group.

Concurrent with the reconnaissance mapping, M Gray collected representative rock chip samples of specific mineralized and hydrothermally altered zones. Sample descriptions and analytical results for ore metals are presented in Item 15 of this report and complete multielement assay data is included as Appendix A. The objective of the sampling was to determine the metal contents of particular alteration mineral associations and to verify the ranges of metal contents present in the orebodies being exploited at the Rosario mine.

   
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13 DRILLING

No drilling campaigns have been conducted on the property by Bridgeport Ventures.

Previous operators are reported to have conducted exploration drilling in the SOESMI, Trillador, and Simonetta concessions, as discussed in Item 8, 11.3.1, 11.3.3, and 11.3.4 of this report. Drillcore, original drillhole logs, and original assay certificates for these historical drill programs are not available to the author nor to Bridgeport Ventures.

   
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14 SAMPLING METHOD AND APPROACH

14.1   Sampling Method, Nature, and Spacing

14.1.1 Surface Rock Chip Samples

Concurrent with reconnaissance review of the main Rosario sulfide and oxide workings, M Gray collected representative rock chip samples of distinct mineralized and altered zones. Samples were collected from rock exposed in underground mine workings and open cuts. The objective of the sampling was to determine copper contents and geochemical characteristics of particular zones of interest, and to verify the produced grades reported by the underlying claimant of the Rosario concessions. All samples were collected by the author, and remained exclusively in the possession of the author until such time that they were sent by courier to the ALS Chemex laboratory in La Serena, Chile.

Samples collected were representative grab samples, 1.5 to 2m in length, oriented perpendicular to the structural fabric of the feature of interest being sampled. All samples were collected by hand, using hardened steel geological hammers. Samples were placed in plastic sample bags and sealed. Sample weights varied from 1.5 to 2.0 kg. Sample spacing was variable, and was a function of exposure of mineralized or altered rock. Sample locations were marked in the field on the outcrop or mine working face. Sample descriptions, location data, and multi-element assay data were captured in digital format and assay certificates are included as Appendix A of this report.

14.2   Recovery Factors

No factors were identified that materially impact the accuracy or reliability of the sample results. Surface rock chip samples were collected manually and recovery was 100%.

14.3   Sample Quality and Representativity

In the opinion of the author, samples collected are of high quality and representative of the mineralized areas being evaluated.

Surface sample locations were selected to be representative of the geologic feature being investigated. Representative sample was collected by chipping and collecting rock along a line perpendicular to the orientation of the structure or feature being sampled. Industry standard methods and best professional judgment were used in collection of the rock chip samples, however, by nature, manually collected rock chip samples are of lesser quality than mechanically collected continuous samples (i.e. cored or cut samples). The surface rock chip samples are of sufficient quality and confidence to be used for preliminary assessments of the project’s mineral potential

   
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but were not designed to provide detailed or reliable information of true mineralized dimensions and grades.

   
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15 SAMPLE PREPARATION, ANALYSES, AND SECURITY

It is the author’s opinion that sample preparation, security, and analytical procedures used were adequate to insure the integrity and reliability of the sample data base.

15.1   Personnel

Surface and underground rock chip samples were collected exclusively by Matthew Gray. Employees, officers, directors, or associates of Bridgeport were not involved in sample collection or preparation.

15.2   Bridgeport Resources Sampling Program

15.2.1 Sample Security/Chain of Custody

Geologic descriptions of the sample, including nature of the sample, length of sample, lithology, alteration, and mineralization, were captured in geologic field books. Samples were sealed in plastic sample bags with zip closures. Samples were stored in the author’s locked vehicle until such time that they were delivered directly by the author to a commercial cargo carrier for shipment to the ALS Chemex laboratory in La Serena, Chile.

15.2.2 Sample Preparation by ALS Chemex

Analytical work was performed by ALS Chemex, an ISO 9001:2000 certified international provider of analytical services to mining and exploration companies. Sample preparation and analyses was conducted at the ALS Chemex facility in La Serena (Coquimbo), Chile.

ALS Chemex reports the following preparation method: Each sample was dried and the entire sample was crushed to better than 70% passing a 2 mm (Tyler 10 mesh) screen. Using a riffle splitter, a split of up to 250 grams was taken and pulverized to better than 85% passing a 75 micron (Tyler 200 mesh) screen.

15.2.3 Analytical Techniques used by ALS Chemex

Gold content was first analyzed utilizing standard fire assay fusion, followed by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICPAES – ALS Chemex procedure Au ICP21), with a detection limit of 0.001 ppm and upper limit of 10 ppm.

All other elements listed below were analyzed utilizing four acid digestion ( HF-HNO3-HClO4 acid digestion and HCl leach) and Inductively Coupled Plasma -Atomic Emission Spectroscopy methods (ALS Chemex procedure ME-ICP61). The method and the detection and upper limits for each element are described in Table 15.1 below.

   
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Table 15.1. Element concentrations analyzed and analytical limits.

      Detection Upper
  Element Symbol Limit Limit
         
  Aluminum Al 0.01% 25 %
  Antimony Sb 5 ppm 1 %
  Arsenic As 5 ppm 1 %
* Barium Ba 10 ppm 1 %
  Beryllium Be 0.5 ppm 0.01 %
  Bismuth Bi 2 ppm 1 %
  Cadmium Cd 0.5 ppm 0.05 %
  Calcium Ca 0.01% 25 %
* Chromium Cr 1 ppm 1 %
  Cobalt Co 1 ppm 1 %
  Copper Cu 1 ppm 1 %
  Iron Fe 0.01% 25 %
  Lead Pb 2 ppm 1 %
  Magnesium Mg 0.01% 15 %
  Manganese Mn 5 ppm 1 %
  Molybdenum Mo 1 ppm 1 %
  Nickel Ni 1 ppm 1 %
  Phosphorus P 10 ppm 1 %
  Potassium K 0.01% 10 %
  Silver Ag 0.5 ppm 0.01 %
  Sodium Na 0.01% 10 %
  Strontium Sr 1 ppm 1 %
  Sulfur S 0.01 % 10 %
* Titanium Ti 0.01% 10 %
* Tungsten W 10 ppm 1 %
  Vanadium V 1 ppm 1%
  Zinc Zn 2 ppm 1 %

*Elements for which the digestion is possibly incomplete.

   
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16 DATA VERIFICATION

16.1   Prior Exploration Campaigns

No data is available from exploration programs conducted prior to Bridgeport’s involvement with the project, except for a photocopy of a report attributed to Pucobre summarizing drilling at the SOESMI claims as discussed in Item 8 of this report. The Pucobre drill collar monuments were located and confirmed in the field, but the drillcore was not available for review or re-assay thus assay data for the drillholes was not confirmed and the results reported by the SOESMI claimant should be regarded as historical in nature, are not CSA NI43-101 compliant, and should not be used for economic assessments of the project.

Bridgeport has not yet commenced an exploration program at the project beyond the work completed as part of this Technical Report, thus there is no prior data to be verified.

16.2   Production Data

Mineria y Transporte Barahona provided copies of ENAMI ore purchase receipts documenting production and grade of material shipped from the Rosario mine to the ENAMI mill in Copiapó. The author reviewed the ENAMI sales receipts which confirmed that Barahona’s verbal representations of production sulfide ores at grades of~2%Cu and >0.5 gpt Au were accurate. The receipts indicate that in the 31 month period from December 2006 to June 2009, Minera Barahona produced:

  - 59,328 tonnes of oxide ores with average grade of 1.52% Cu
  - 15,110 tonnes of sulfide ores with average grade of 2.05% Cu, 3.3 gpt Ag, and 0.79 gpt Au

A tabulation of reported ore sales to ENAMI is included as Appendix B of this report. The average production rate of both oxide and sulfide ores, over the 31 month period was 2,401 tonnes per month, and the first semester 2009 production rate of sulfide ores was 1,920 tonnes per month. The author was present to observe the daily production from the Rosario decline during the period spent on site in October 2009 (Figure 16.1) and a random grab of ore being shipped to ENAMI on 5 October was collected for assay, sample ROS-006. This sampled assayed 3.39% Cu and 0.78 gpt Au, consistent with the representations made by Barahona. The author collected 15 samples from the Rosario mine workings, both underground and surface cuts, as detailed in Table 16.1 and Appendix A of this report. Samples collected from ore zones currently being mined or previously mined yielded copper contents of 0.67 to 4.36% Cu with gold contents ranging from 0.30 to 1.01 gpt Au, consistent with the grades indicated on the ENAMI sales receipts.

   
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Figure 16.1. Loading of sulfide ore from Rosario mine for shipment to ENAMI.

   
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Table 16.1. Descriptions and assays, samples collected from Rosario concession.


Sample

Location

Description

Cu %
Au
ppm
Ag
ppm
ROS-001 Rosario mine, 1.5m vertical sample of rib Variably altered plagioclase phenocrystic rock, in some specimens wetted surface reveals texture of fine grained plagioclase in dark aphanitic groundmass, in others plagioclase outlines are barely discernable and rock is light grey, creamy textured and indurated but not silicified. Under hand lens some samples appear to be made of coalescing blebs of white plagioclase - albite alteration? Rock contains several percent very fine grained disseminated chalcopyrite and lesser pyrite. 0.86 0.23 0.6
ROS-002 Rosario mine, 1.5m vertical sample of rib Light green-grey, fine-medium grained equigranular rock, not magnetic, looks like composed dominantly of granular white intergrown plagioclase with abundant very fine grained black flecks (tourmaline?). Indurated but not silicified - albite alteration? Matrix supported, rounded, monolithic breccia texture - intrusive breccia? Contained a few percent disseminated very fine grained chalcopyrite and lesser pyrite. 1.32 0.67 <0.5
ROS-003 Rosario mine, 2 m vertical sample of rib Medium grey, fine grained plagioclase phyric volcanic rock, can only occasionally discern a plagioclase outline in a dense grey groundmass, locally slightly siliceous. Texturally destructive pervasive alteration to a massive dense creamy rock, elsewhere to a granular texture of white plagioclase intergrowths with creamy dense texture. Where plagioclase laths are visible they are fine to medium grained. Chloritic flecks throughout the rock, very fine grained. Contains pyrite and lesser chalcopyrite as very fine grained disseminations, looks like no more than 1% chalcopyrite - most sulfide appears to be pyrite. On wetted surface some samples have a fine grained felted diorite texture, similar to diorite seen at surface. Not magnetic. 0.04 0.01 <0.5
ROS-004 Rosario mine, 2 m vertical sample of rib Silicified sulfidic pervasively altered rock comprised of dense creamy light grey to pale reddish grey silica with abundant disseminated very fine grained chalcopyrite and lesser pyrite, several percent total sulfide. Disseminated chloritic flecks. Locally a granular texture and in some pieces plagioclase ghost outlines discernable probable protolith was an intrusive or porphyritic volcanic. 0.98 0.30 <0.5

ROS-005

Rosario mine, 2 m representative vertical sample of rib

Medium grey to white pervasively altered rock, looks like it had a fine grained equigranular texture that now is mostly obliterated and rock composed of light colored, dense creamy to granular material, scratches with blade but is quite hard - pervasive albite alteration? Contains several percent disseminated black and chloritic flecks and several percent fine grained disseminated chalcopyrite and minor pyrite. Protolith probably an intrusive or volcanic.

2.28

0.86

<0.5
ROS-006 Rosario mine, stockpile grab Grab of stockpiled ore being sent to ENAMI on 2009 Oct 5. White, plagioclase rich, fine grained equigranular rock composed of granular and coalescing white plagioclase (no distinct laths or phenocrysts) with abundant fine grained dark flecks, locally columnar appearance - tourmaline? Contains several percent platy disseminated chalcopyrite. Rock is not silicified. Intensely altered intrusive? 3.39 0.78 <0.5
ROS-007 Rosario mine, 1.5m vertical sample of rib Medium grey to almost white, pervasively altered but unmineralized rock composed of creamy dense light grey siliceous groundmass with occasional glassy striated plagioclase cleavage faces visible. NO mafics. Contains disseminated epidote and lesser chlorite. Some very fine grained adamantine crystals of sphene (? do not see clear crystal shape to confirm, possibly is apatite o garnet?). No sulfides observed. 0.01 0.00 <0.5
ROS-008 Rosario mine, 1.5m vertical sample of rib Medium grey, fine to medium grained crowded andesite porphyry, >50% phenocrysts of fine to medium grained white plagioclase euhedra in dark purple, grey, and green groundmass with scattered epidote and chlorite altered mafics (hornblende?). No sulfide noted. Possible very minor pervasive silicification. Rare hairline silica microveinlets with epidote selvages. 0.00 0.00 <0.5
ROS-009 Rosario mine, 1.5m vertical sample of rib White, fine to medium grained, pervasively altered equigranular intrusive. Massive white granular feldspar with evenly distributed dark green and light green altered mafics (hornblende?) and rare fine grained sphene (?). No sulfide. No preserved mafics. Minor pervasive silicification. Albite alteration? 0.00 0.00 <0.5
ROS-010 Rosario mine, 1.5m vertical sample of rib Pervasively altered, fine to medium grained equigranular intrusive, with texture similar to ROS_009 but with several percent disseminated platy chalcopyrite and lesser pyrite. Locally with pervasive tourmalinization consisting of clots and disseminations of very fine grained black mineral, locally columnar, tentatively identified as tourmaline. NO relict mafic present but some scattered chloritic flecks may be after mafics. Rock is indurated but not silicified. 1.52 0.56 <0.5
ROS-011 Rosario mine, grab of stope walls, collected over 20m combined horizontal length Pervasively altered, fine grained, locally siliceous rock comprised of plagioclase with dense and creamy texture, with disseminated chlorite and tourmaline and abundant very fine grained disseminated chalcopyrite and lesser pyrite, up to several percent. plagioclase equigranular intrusive, with texture similar to ROS_009 but with several percent disseminated platy chalcopyrite and lesser pyrite. Locally with pervasive tourmalinization consisting of clots and disseminations of very fine grained black mineral, locally columnar, tentatively identified as tourmaline. No relict mafic present but some scattered chloritic flecks may be after mafics. Rock is indurated but not silicified. 0.67 0.16 <0.5
ROS-012 Rosario mine, upper adit, sample over 1m vertical and 2m horizontal on pillar, collected immediately above sample ROS-013 Tourmalinized, albitized intrusive (?). White to grey, salt and pepper with white plagioclase and variable amounts of disseminated fine grained black mineral, locally columnar, provisionally identified as tourmaline. Rock is not silicified, everywhere tested can be scratched with blade. Contains occasional fine grained translucent adamantine light green-yellow crystals - sphene? Intense texturally destructive alteration but no sulfides noted. 0.10 0.29 <0.5
ROS-013 Rosario mine, upper adit, sample over 1m vertical and 2m horizontal on pillar, collected immediately below sample ROS-012 Tourmalinized hydrothermal or intrusive breccia. White, plagioclase phenocryst rich angular clasts, 3 to 50mm diameter, in white albite-tourmaline matrix. Both clasts and matrix contain several percent disseminated very fine grained chalcopyrite and lesser pyrite. Matrix supported breccia. Both clasts and matrix pervasively altered and indurated, but not silicified. Pervasive albitization? 4.36 1.01 0.7
ROS-014 Manto Pit, 2m vertical sample of lowermost portion of mineralized zone exposed in pit Very fine to fine grained bleached and Cu-ox stained volcanic. Occasionally discernable plagioclase outline but rock is mostly a fine grained, relatively soft (easily scratched with blade) rock with volcanic texture impregnated by green and blue Cu stains and also with Cu-ox on fractures. Some dark Fe-ox after sulfide disseminated in rock but no fresh sulfide seen. Rock is an altered fine grained andesitic volcanic. 1.79 0.01 <0.5
ROS-015 HW to Manto Pit, sample over 2m vertical and 2m horizontal from small pit above and NE of Manto pit. Very fine grained massive volcanic, pervasively argillized and/or sericitized. Very soft, easily scratched. Bleached white -no relict mafics. Can occasionally discern a plagioclase outline. Pervasive green Cu-ox staining and minor disseminated Fe-oxide after sulfide. Rock is a texturally destroyed, pervasively altered, andesitic volcanic. 3.85 0.08 <0.5

   
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17 ADJACENT PROPERTIES

There are no producing properties or exploration properties immediately adjacent to Rosario that are not discussed in Item 11 of this report, but mining and exploration activity was evident in the region. The La Verde copper mine is located approximately 4km north-northwest of Rosario. It was not visited by the author and the ownership and production data are unknown. Recent trenching and construction of drill pads was observed over a large area located 5km north-northeast of Rosario. The company or companies conducting the exploration are unknown to the author.

   
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18 METALLURGICAL TESTING

No metallurgical studies have been conducted by Bridgeport Ventures. The current operators of the mines in the district sell their production directly to ENAMI where sulfide ores are processed via conventional milling and floatation methods. Oxide ores are processed via SX-EW methods. Recoveries obtained by ENAMI are unknown to the author.

   
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19 MINERAL RESOURCE ESTIMATE

Data is insufficient to permit estimation of a mineral resource.

None of the operating mines in the district, including the Rosario mine, have mining reserves or mineral resources. These mines operate by direct mining of mineralized material exposed at surface.

   
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20 OTHER RELEVANT DATA AND INFORMATION

To the best of the author's knowledge, all relevant data has been presented in this report.

   
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21 INTERPRETATION AND CONCLUSIONS

The Rosario prospect is part of a significant Cu-Au mineralized system that merits drill testing. The system as currently exposed within the Rosario project is at least 1.4 square km in extent, as defined by distribution of copper showings and hydrothermal alteration. The most intense hydrothermal alteration and the most significant mineralized zones thus far discovered in the district lie within the Rosario concessions. Copper mineralization in the district is present as mantos, mineralized intrusions, mineralized breccias, and as mineralized high angle structures.

Copper is present as mantos in the sense that the copper distribution follows the primary volcanic stratification. The thickest manto zones currently known are only 12-15m thick but manto type mineralization appears to be present over at least a 115m, and perhaps as much as a 300m stratigraphic thickness of the volcanic sequence, thus lending credence to a hypothesis that stacked mantos may be discovered.

Separate from the mantos, Cu mineralization is hosted by a dioritic intrusion, and intrusive and/or hydrothermal breccias. The Rosario mine decline into the 2% Cu sulfide zone is developed in such a zone. The morphology and dimensions of the copper mineralization exposed in the decline are irregular and not understood, but even if the mineralized zone at the Rosario decline is small, it's presence lends support for a significant target at the project comprised of a concealed mineralized intrusive and related breccias.

Copper mineralization also occurs as structurally controlled, high angle, tabular or vein-like zones. The structurally controlled mineralized zones currently exposed do not have dimensions of economic significance, however mineralized structural zones are probably related to the manto mineralization and they may control distribution of the latter. Structural intersections and intersections of mineralized faults and favorable volcanic strata may be important exploration targets at the project.

Many, but not all, oxide (actually oxide, carbonate, sulfate, silicate and halide) Cu occurrences in the district are developed from in-situ oxidation of chalcopyrite, thus many of the small prospects and mines on copper oxide showings are indicating the shallowly concealed presence of primary copper mineralization. Sulfide mineralization is encountered at shallow depths (<20m from surface), thus the project is not prospective to host significant tonnages in an oxide copper deposit. The system is pyrite poor, which means the project is not prospective for an enriched chalcocite zone. For the aforementioned reasons, the project is not prospective for a leachable (SX-EW) target.

Primary mineralization is comprised of altered andesitic volcanic rocks, dioritic intrusive rocks, and related intrusive and hydrothermal breccias that host disseminated chalcopyrite, bornite, and subordinate pyrite. Hydrothermal alteration minerals associated with copper mineralization include albite, tourmaline, actinolite/tremolite, sphene, sericite and/or clay minerals. In contrast to many hydrothermal deposits, quartz veining at any scale is not present at Rosario. The distribution of primary sulfide minerals is truly disseminated, lacking any visible microfracture or veinlet control.

   
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The system shares some common traits with IOCG (iron oxide copper gold) deposits including Na-metasomatism, alteration mineral associations, and ore mineralogy dominated by chalcopyrite. The deposit is located within a productive IOCG mineral belt, however hypogene iron oxides (specularite and/or magnetite), which are an essential component of IOCG deposits, were not observed to be present. The Rosario system also has traits in common with Chilean manto type deposits including andesitic host rocks, stratigraphic control to metal distribution, association with dioritic intrusions and hydrothermal breccias, and albitic alteration, however the Rosario system's elevated gold content contrasts sharply with typical Chilean manto deposits that are gold deficient, Cu-Ag systems. The system is classified by the author as intrusive related, but not a porphyry system. The system lacks phyllic (quartz-sericite-pyrite) alteration zones, potassic alteration zones, and stockwork veinlets, all of which are characteristic of porphyry systems.

The concessions have not been evaluated in their entirety, and known zones of hydrothermal alteration have thus far not been mapped or sampled, thus the project remains highly prospective for discovery of additional exploration targets. Continued mapping and geochemical sampling of the concessions is required to define the number and quality of the new exploration targets contained therein.

   
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22 RECOMMENDATIONS

22.1   Target Concepts

Exploration results for the Rosario project clearly demonstrate that it is prospective for bulk mineable copper-gold deposits. Numerous mineralized occurrences have been identified, but existing data is insufficient to determine the extent and metal content of these zones. Existing data validates at least two important target concepts for the project: 1) Stacked mantos, and 2) Mineralized intrusive and related breccias.

22.1.1 Stacked Manto Targets

Andesite hosted copper mineralization that appears to be stratiform is exposed in the Manto pit at the Rosario concession. Similar copper mineralization is seen in small prospects and volcanic rocks in the hangingwall of the main mineralized zone at the Manto pit. The exposed thickness of the mineralized manto at the Manto pit is as much as 12m, but evidence suggests that a much thicker zone of andesite strata may be a favorable host of manto copper mineralization. The morphology of the hangingwall copper occurrences above the Manto pit is unclear, but no structural control to these occurrences was observed and they are interpreted to be stratiform conformable zones, similar to that seen in the Manto pit. If this is true and if the mineralized zone at the Manto pit is projected along the dip of the strata to a point beneath the hangingwall occurrences, then a simple stratigraphic reconstruction, assuming no structural offsets between the Manto pit and the hangingwall occurrences, indicates that copper mineralization occurs within a 115m stratigraphic thickness of the andesite sequence. If copper occurrences exposed in workings further south of the Manto pits are likewise related to stratigraphically conformable zones, and structural offset is not present, then copper mineralized mantos are demonstrated to be present within a 300m stratigraphic thickness of the andesites, and a stacked manto concept is valid. The stacked manto target comprises gently dipping tabular mineralized mantos that overlay one another, separated by variable thicknesses of unmineralized or weakly mineralized rock, as exemplified by the Buena Esperanza deposit near Antofogasta, Region II, Chile, and the Candelaria mine, located 21km northwest of the Rosario project.

At the Buena Esperanza mine, twenty eight individual mantos, ranging from 2 to 25m thick, were developed in a 300m thick sequence of Jurassic andesite (Ruiz, 1971). Observations at the Rosario project support the viability of the stacked manto concept in a thick sequence of andesites. The entire stratigraphic thickness is not postulated to be mineralized, but mineralized manto zones may overlay one another, separated by variable thicknesses of unmineralized or weakly mineralized rock. Drill testing is required to confirm the presence of mantos, their thicknesses and grades, and amount of intervening unmineralized rock between them. The mineralization described for the mines in this section is not necessarily indicative of the mineralization at the Rosario property.

   
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At the Candelaria Cu-Au deposit, a significant portion of ore is hosted in andesitic volcanic strata of the Cretaceous Punta del Cobre Formation, where stratiform tabular mineralized zones developed adjacent to high angle mineralized structures. Mineralized mantos are present as 10 to 50m thick tabular bodies that overlie one another, separated from each other by various thicknesses of unmineralized rock. Development of the mantos is controlled at least in part by the contact of the andesites and overlying volcaniclastic sedimentary rocks. Mineralized high angle structures are interpreted to have been conduits for hydrothermal fluids that generated the mantos. When distal from the high angle mineralized structures, mantos are present as discrete tabular layers, however when proximal to the high angle structures, the mantos coalesce to form larger orebodies (Ryan et al., 1996).

The mineralization described for the mines in this section is not necessarily indicative of the mineralization at the Rosario property.

22.1.2 Intrusive and Breccia Hosted Targets

The Rosario mine produces sulfide ores containing 2% Cu and 0.78 gpt Au. Production is from mineralized zones developed in a diorite intrusion and related breccias, hosted within a large zone of pervasive hydrothermal alteration that is manifested by broad zones of bleaching and sericite-clay alteration. Restrictive zones of albite and tourmaline alteration appear to be closely spatially related to mineralized zones. The intensity of the alteration and the alteration mineral assemblage, particularly tourmaline, are permissive of a genetic relationship to a magmatic system. Similarly the angular breccias, both intrusive and explosive hydrothermal in origin, suggest proximity to a dynamic intrusive center. The morphology of the intrusion- and breccias-hosted mineralized zones currently being mined is unknown, but their presence lends support for a significant target at the project comprised of a concealed mineralized intrusive and related breccias. The entirety of the broad pervasive alteration zone and the diorite intrusion(s) and immediate wallrock are prospective for hosting copper mineralization. A similarly prospective intrusion that hosts Cu occurrences crops out to the southwest of the Rosario decline. Drilling is required to define the limits of the currently exploited mineralized zone and to test for the presence of others within the alteration halo.

22.1.3 Other Targets

Reconnaissance mapping has demonstrated that the color anomaly visible on satellite imagery is related to hydrothermal alteration, and exploration that post dates the date of acquisition of the satellite imagery proves that some of this hydrothermal alteration is directly associated with primary copper sulfide mineralization. The empirical evidence is clear that the alteration zones exposed throughout the district are prospective for discovery of additional copper sulfide mineralized zones. The Manto pit at the Rosario concession is developed at the edge of an Fe-oxide color anomaly related to oxidation of sulfide bearing volcanic rocks. Figure 22.1 is a satellite image of the area of the color anomaly where the Manto pit was later developed. Figure 22.2 shows the extensive workings now developed at this location, and the limit of the color anomaly is seen to correspond with the mineralized zone now exposed. Similar color anomalies are present throughout the project area and by analogy are deemed to be highly prospective (Figure 22.3) .

   
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Figure 22.1. Satellite image (courtesy Google Earth) vintage 2005 of Manto pit area at Rosario project, prior to exploration or mining. Waypoints 91, 92, 93, and 94 are all from pits developed in area. Distance between 91 and 94 is approximately 122m.

Figure 22.2. View looking SW at Manto pit area. Color anomaly visible in satellite image is visible in right midground of photo and correlates with copper mineralized zone at the Manto pit.

   
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Figure 22.3. Satellite image of project area (courtesy Google Earth) showing color anomalies related to hydrothermal alteration and proposed Phase 1 diamond drillhole locations.

   
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22.2   Exploration Program and Budget

A 3,000m exploration diamond drilling program is recommended as an initial evaluation of the target concepts thus far developed, and if results are positive, an additional 6,000m of resource definition drilling is recommended to establish the morphology and metal contents of the mineralized zones discovered. Initial emphasis should be placed on drill testing the mineralized intrusion and breccias at the Rosario mine, exploring for stacked mantos in the Manto pit area, and testing of the mineralized plagioclase porphyry at the Tamara prospect. Because the favorable andesite sequence may be as much as 300m thick, drillholes of at least this length will be required in some areas. Locations, orientations, and depths of proposed Phase 1 drillholes are presented as Table 22.1 and drillhole locations are indicated in Figure 22.3. Location of Phase 2 drillholes is dependent upon results obtained in Phase 1. A two stage, $2.3M USD budget for the recommended work, including 9,000m of diamond core drilling, is presented as Table 22.2. The first stage comprises 3,000m of diamond core drilling with a total budget of $776,000 USD. The second stage is contingent upon positive results from the first and includes 6,000m of diamond core drilling at a total cost of $1.6M USD.

Table 22.1. Proposed Phase 1 Drill Program


Dril lhole
UTM E
WGS84
UTM N
WGS84

Az

Incl
Depth
(m)

Objective
RDDH2010-01 383,041 6,938,539 0 -90 200 Test structural control of Cu mineralization in plagioclase porphyry
RDDH2010-02 383,103 6,938,356 0 -90 300 Test lithologic contact control of Cu mineralization in plagioclase porphyry
RDDH2010-03 384,100 6,937,650 0 -90 300 Test stacked Cu mineralized mantos (stratabound zones)
RDDH2010-04 384,100 6,937,650 315 -90 200 Test stacked Cu mineralized mantos (stratabound zones)
RDDH2010-05 384,300 6,937,650 0 -90 200 Test stacked Cu mineralized mantos (stratabound zones)
RDDH2010-06 384,700 6,937,950 0 -90 200 Test Cu mineralized zone on perifery of intrusion
RDDH2010-07 384,650 6,937,850 0 -90 200 Test Cu mineralized zone in area of hyrothermal and/or intrusive breccias
RDDH2010-08 384,750 6,937,650 0 -90 200 Test Cu mineralized zone in area of hyrothermal and/or intrusive breccias
RDDH2010-09 384,700 6,937,750 0 -90 300 Test Cu mineralized zone in area of hyrothermal and/or intrusive breccias
RDDH2010-10 384,925 6,937,950 0 -90 200 Test lateral and vertical extensions of orebody being mined in Rosario decline
RDDH2010-11 384,875 6,937,900 0 -90 300 Test lateral and vertical extensions of orebody being mined in Rosario decline
RDDH2010-12 384,825 6,937,850 0 -90 200 Test lateral and vertical extensions of orebody being mined in Rosario decline
RDDH2010-13 384,925 6,937,850 0 -90 200 Test lateral and vertical extensions of orebody being mined in Rosario decline
RDDH2010-14 384,825 6,937,950 0 -90 200 Test lateral and vertical extensions of orebody being mined in Rosario decline
        Total  3000  

   
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Table 22.2. Recommended work plan and budget, Rosario Project

Phase 1 Budget - Rosario Project, Region III, Chile

PHASE 1 DRILLING PROGRAM          
Item Units   Unit Cost USD Total Cost USD  
Lodging/Meals/Communications 3  months 7,500 22,500  
Roads and Drill Pads 1   40,000 40,000  
Drilling - Diamond Core 3000  meters 150 450,000  
Assays 3300  samples 25 82,500  
Senior Geologist 36  days 800 28,800  
Project Geologists 72  man-days 350 25,200  
Technicians/Samplers 144  man-days 100 14,400  
Vehicles and Fuel 72  vehicle-days 110 7,920  
Permits 1  permit 15,000 15,000  
Field Supplies 1   20,000 20,000  
Travel Costs 1   20,000 20,000  
Environmental Costs/Reclamation 1   50,000 50,000  
      Total $776,320  
           
    Grand Total Phase 1 $776,320  USD

Phase 2 Budget -Conditional upon positive results from Phase 1 Program

PHASE 2 RESOURCE MODELING AND INFILL DRILLING PROGRAM          
Item Units   Unit Cost USD Total Cost USD  
Lodging/Meals/Communications 6  months 7,500 45,000  
Roads and Drill Pads 1   75,000 75,000  
Resource Modeling 1   75,000 75,000  
Drilling - Diamond Drill Core 6000  meters 150 900,000  
Assays 6600  samples 20 132,000  
Senior Geologist 126  days 800 100,800  
Project Geologists 252  man-days 350 88,200  
Technicians/Samplers 252  man-days 100 25,200  
Vehicles and Fuel 126  vehicle-days 110 13,860  
Permits 1  permit 25,000 25,000  
Field Supplies 1   10,000 10,000  
Travel Costs 1   30,000 30,000  
Reclamation 1   50,000 50,000  
      Total $1,570,060  
           
    Grand Total Phase 2 $1,570,060  USD
           
  Grand Total, Phase 1 and Phase 2 $2,346,380  USD

   
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23 REFERENCES

Arevalo, C., 2005, Carta Los Loros, Región de Atacama, Carta Geológica de Chile Serie Geología Básica No. 92, Escala 1:100,000, Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología.

Boric, R, Holmgren, C., Wilson, N., and Zentilli, M., 2002, The geology of the El Soldado manto type Cu (Ag) deposit, Central Chile, in – Porter, T.M., (Editor) 2002 – Hydrothermal iron oxide copper-gold and related deposits, a global perspective, Vol. 2; PGC Publishing, Adelaide Australia pp. 163-184.

Diaz, A., Lledo, H., Vivallo, W., 1998, Yacimientos metalíferos de la hoja Los Loros, Region de Atacama, Mapa de Recursos Minerales de Chile, No. 2, Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología.

Dirección Meteorológica de Chile, 1991, Normales de precipitación, temperatura media, temperatura mínima media y temperatura máxima media, 1961-1990, Estación Meteorológica Copiapó-Chamonate, data available through the Departamento de Geofísica de la Facultad de Ciencias Físicas y Matemáticas de la Universidad de Chile, at http://www.atmosfera.cl/.

Ortiz, F., Araya, R., Franquesa, F., Moraga, A., and Zentilli, M., 1966, Informe geológico del distrito minero Punta del Cobre, Provincia de Atacama, Instituto de Investigaciones Geologicas, Boletin No. 14, 46p., Santiago.

Marschik, R., and Fontbote, L., 2001, The Candelaria-Punta del Cobre iron oxide Cu-Au(-Zn-Ag) deposits, Chile. Econ. Geol v96:pp1799-1826.

Ramirez, L., Palacios, C., Townley, B., Parada, M., Sial, A., Fernandez-Turiel, J., Gimeno, D., Garcia-Valles, M., and Lehmann, B., 2006, The Mantos Blancos copper deposit: an upper Jurassi breccia-style hydrothermal system in the Coastal Range of Northern Chile, Mineralium Deposita Vol. 41 No. 3, pp. 246-258.

Ruiz, C.F., Aguilar, A., Egert, E., Espinosa. W., Peebles, F., Quezada, R., and Serrano, M., 1971, Stratabound copper sulphide deposits of Chile, pp. 252-260 in Joint Symposium Volume IMA-IAGOD Mtgs., 1970, Tokyo, Soc. Min. Geol. Jap., Spec. Issue 3, 500p.

Ryan, P., Lawrence, A., Jenkins, R., Matthews, J., Zamora, J., Marino, E., and Urqueta, I., 1996, The Candelaria copper-gold deposit, Chile, in Pierce, F.W., and Bohn, J.G., eds., Porphyry copper deposits of the American Cordillera: Arizona Geological Society Digest v. 20, p. 625-645.

   
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Salas, A., 1954, Estudio geológico minero del distrito de Pampa Larga, Copiapó, Memoria de Titulo (Inedito), Universidad de Chile, Departamento de Ingenieria de Minas, 128 p., Santiago.

Sillitoe, R., 2003, Iron-oxide-copper-gold deposits: an Andean view, Mineralium Deposita v. 38, p. 787-812.

   
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24 STATEMENT OF QUALIFICATION

I, Matthew Dean Gray, of Hermosillo, Sonora, Mexico, do hereby certify:

1.

That I am employed as a geologist at Resource Geosciences de Mexico SA de CV, (RGM) an independent consulting geosciences firm, whose address is Calle 14 de Abril No. 68, Colonia San Benito, Hermosillo, Sonora, CP 83190, MEXICO.

 

2.

That: a.) I am a Certified Professional Geologist (#10688) with the American Institute of Professional Geologists; b.) My qualifications include experience applicable to the subject matter of this report, specifically the economic evaluation of both early stage and production stage copper and copper-gold projects, including but not limited to, projects in the United States (Sanchez porphyry Cu deposit, Arizona; Cerillos porphyry Cu deposit, New Mexico), Canada (McIntyre porphyry Cu-Au deposit, Ontario), Brazil (Camaqua, Rio Grande do Sul), Mexico (Piedras Verdes, San Javier, Cuatro Hermanos porphyry Cu deposits, Sonora) and Chile (Nemesis porphyry Cu-Au deposit, Region III Chile, Franke and Pelusa andesite hosted Cu deposits, Region II); and c.) as a result of my education, experience, and professional qualifications I am a “Qualified Person” for the purposes of CSA National Instrument 43-101.

 

3.

That I am a graduate of the Colorado School of Mines (Ph.D., Geology with Minor in Mineral Economics, 1994; B.Sc., Geological Engineering, 1985) and the University of Arizona (M.Sc., Geosciences, 1988) and I have practiced my profession continuously since 1988.

 

4.

That I have no material interest, direct or indirect, in the property discussed in this report or in the securities of Bridgeport Ventures Inc.

 

5.

That, as of Dec 4, 2009 (the original date of the technical report), to the best of my knowledge, information and belief this technical report contains all scientific and technical information that is required to be disclosed to make the Technical Report not misleading.

 

6.

That this report on the Rosario project is based on a 6 day site visit (3 to 8 October 2009) and on a review of published and unpublished information and that I have had no prior involvement with the property that is the subject of this report.

 

7.

That I have read National Instrument 43-101 and Form 43-101 and that the technical report has been prepared in compliance with the Instrument and Form and that I am responsible for the compilation of this report.

 

8.

That I consent to the use of this report, dated 27 November 2009, revised 4 December 2009, Amended 7 December 2010, titled “Summary Report on the Rosario Copper-Gold Project, Region III, Atacama, Chile”, by Bridgeport Ventures Inc. for making representations on the subject property.

 

9.

That I have prepared this report for Bridgeport Ventures Inc It is based on my observations and data collected by myself, and on data obtained from the Servicio Nacional de Geología y Minería, Subdirección Nacional de Geología, a Chilean Federal agency, and from the Instituto Cartografico Militar, a Chilean Federal agency, and on data provided by Bridgeport Ventures Inc.

 



   
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Appendix A. Assay certificates, rock chip samples collected by M Gray, October 2009.

   
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Appendix B. Tabulation of ore sales, oxide and sulfide, from Rosario mine to ENAMI, 2006-2009.

Note: Au and Ag assays are not reported for oxide ores. These metals are not recovered by ENAMI’s SX-EW plant therefore they are not payable.

Sulfide Ores

Liquidation
No.

Date
Mineral
Type
Dry
WeightKg
%Insol
Cu

Aggpt
Au
gpt
Value
paid,USD
L26771 9/11/2007 sulfide 45,980 1.84 1.00 0.674 4,686.74
L26884 9/13/2007 sulfide 73,619 1.34 3.23 0.557 5,229.89
L27005 9/21/2007 sulfide 106,410 1.47 3.82 0.977 8,569.20
L27076 9/26/2007 sulfide 27,767 1.48 8.00 .5 2,177.21
L27153 9/28/2007 sulfide 52,372 1.49 3.65 0.707 4,260.99
L27427 10/9/2007 sulfide 21,256 1.67 0.600 1,973.41
L27604 10/12/2007 sulfide 47,123 2.16 3.61 1.464 6,264.53
L27770 10/19/2007 sulfide 45,635 1.80 4.38 0.767 4,684.43
L40871 2/20/2008 sulfide 53,427 2.42 1.01 1.048 2,766.98
L32093 4/4/2008 sulfide 165,362 2.23 1.35 0.974 23,894.81
L32455 4/9/2008 sulfide 81,460 2.21 2.00 0.970 11,681.86
L32630 4/15/2008 sulfide 27,590 1.98 1.00 1.200 3,629.74
T32774 4/24/2008 sulfide 86,567 1.73 7.9 0.936 7,366.43
T32775 4/24/2008 sulfide 78,613 1.76 7.45 0.560 6,289.04
L32877 4/30/2008 sulfide 82,504 1.96 1.01 0.970 10,412.00
L33052 5/8/2008 sulfide 212,240 1.94 6.87 0.504 26,254.09
L33048 5/8/2008 sulfide 138,186 1.84 3.18 0.543 15,914.88
L33057 5/8/2008 sulfide 390,446 1.89 1.64 0.556 46,533.35
R33332 5/13/2008 sulfide 86,562 1.73 7.90 0.936 9,900.10
R33333 5/13/2008 sulfide 78,613 1.76 7.45 0.560 8,629.35
L33306 5/13/2008 sulfide 149,858 1.73 1.35 0.540 16,058.78
L33305 5/13/2008 sulfide 107,946 1.89 1.73 0.574 12,896.31
L33561 5/16/2008 sulfide 436,739 1.87 1.89 0.689 52,465.46
L33560 5/16/2008 sulfide 28,171 1.77 1.00 0.200 2,933.16
L33613 5/20/2008 sulfide 350,736 2.01 2.85 0.582 44,767.94
L33664 5/23/2008 sulfide 177,774 1.86 2.8 0.461 20,424.45
L33736 5/27/2008 sulfide 25,571 1.79 6.00 0.700 2,926.09
L33735 5/27/2008 sulfide 272,874 2.00 1.39 0.893 6,850.00
L33828 5/30/2008 sulfide 134,935 1.73 1.56 0.534 14,502.16
L41422 1/1/2009 sulfide 28,496 0.37   2.600 681.34
L40149 1/9/2009 sulfide 870,969 2.43 2.05 1.006 40,534.90
L40099 1/9/2009 sulfide 138,255 2.44 3.23 1.280 6,995.70
L40218 1/13/2009 sulfide 381,569 2.32 5.70 0.799 15,762.62

   
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L40219 1/13/2009 sulfide 88,177 2.60 5.49 0.692 4,044.69
L40246 1/14/2009 sulfide 75,225 2.48 2.95 1.103 4,053.28
L40407 1/15/2009 sulfide 118,033 1.69 4.55 0.619 3,001.58
L40409 1/15/2009 sulfide 54,470 2.57 3.98 1.065 2,751.28
L40406 1/16/2009 sulfide 524,610 2.53 4.18 1.113 26,324.93
L40408 1/16/2009 sulfide 235,485 1.93 8.48 0.696 7,495.49
L40479 1/22/2009 sulfide 252,592 1.83 5.32 0.701 7,514.61
L40528 1/27/2009 sulfide 526,888 1.35 1.19 0.541 8,983.44
L40529 1/27/2009 sulfide 48,403 1.85 77.85 0.682 2,098.27
L40623 2/6/2009 sulfide 365,149 1.64 1.47 0.611 8,876.77
L40622 2/7/2009 sulfide 59,602 2.45 2.00 0.906 2,716.66
L40710 2/10/2009 sulfide 191,731 1.39 1.28 0.542 3,431.98
L40795 2/11/2009 sulfide 82,809 1.31 5.34 0.700 1,537.76
L40794 2/13/2009 sulfide 298,032 1.62 1.62 0.527 6,723.60
L40870 2/20/2009 sulfide 138,609 1.79 1.40 0.707 4,011.34
L40872 2/20/2009 sulfide 196,242 2.25 2.63 0.876 8,850.51
L40950 2/21/2009 sulfide 76,199 2.51 2.56 0.827 3,823.67
L41915 3/6/2009 sulfide 24,989 2.09 1.00 0.900 960.58
L41016 3/6/2009 sulfide 169,173 1.99 1.19 0.834 6,509.78
L41054 3/10/2009 sulfide 396,747 1.97 1.98 0.678 14,064.68
L41150 3/13/2009 sulfide 161,047 1.87 1.21 0.757 5,464.43
L41149 3/13/2009 sulfide 288,507 1.88 1.50 0.627 9,411.10
L41180 3/17/2009 sulfide 475,423 2.16 1.53 0.766 19,506.34
L41284 3/20/2009 sulfide 541,216 2.47 1.28 1.079 30,697.77
L41423 3/25/2009 sulfide 375,177 2.43 2.89 0.989 20,264.62
L41421 3/25/2009 sulfide 247,254 2.00 2.06 0.829 9,432.15
L41619 3/31/2009 sulfide 30,200 2.39 2.00 0.500 1,166.02
L41618 3/31/2009 sulfide 103,239 2.76 1.77 1.124 6,673.37
L41620 3/31/2009 sulfide 53,308 2.84 1.50 1.444 3,833.38
L41687 4/7/2009 sulfide 180,845 2.26 2.00 0.813 8,548.54
L41778 4/9/2009 sulfide 184,667 2.22 1.71 0.110 9,501.12
L41952 4/17/2009 sulfide 181,911 2.18 1.74 1.017 10,328.91
L41953 4/17/2009 sulfide 100,096 2.40 1.72 0.949 5,546.85
L41954 4/17/2009 sulfide 28,289 0.15 2.00 3.400 1,069.89
L42181 4/24/2009 sulfide 111,887 2.17 1.27 0.965 6,214.20
L42180 4/24/2009 sulfide 185,672 1.99 1.13 0.727 8,667.17
L42226 4/28/2009 sulfide 152,105 2.20 8.01 0.500 18,138.52
L42267 4/30/2009 sulfide 278,518 2.04 1.00 1.027 14,831.08
L42375 5/8/2009 sulfide 381,292 1.99 1.55 0.860 18,648.99
L42565 5/15/2009 sulfide 482,129 2.24 1.35 0.931 29,488.20
L42658 5/22/2009 sulfide 88,235 2.84 3.75 0.996 8,005.78
L42651 5/22/2009 sulfide 189,318 2.42 3.29 0.877 14,123.12
L42816 6/5/2009 sulfide 105,886 2.08 1.72 0.755 6,475.99

   
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L43041 6/18/2009 sulfide 351,595 2.35 2.22 0.848 25,738.16
L43042 6/18/2009 sulfide 295,757 1.17 28.65 0.291 9,165.51
L43044 6/19/2009 sulfide 355,527 2.27 3.05 0.759 24,790.07
L43167 6/26/2009 sulfide 251,748 2.14 1.56 0.759 16,608.16
Tota lkg       15,109,638            
Weighte davg grade, insol Cu%   2.05            
Weighted avg grade, Ag gpt   3.33            
Weighted avg grade, Au gpt   0.79            

Oxide Ores


Liquidation
No.


Date

Mineral
Type

Dry
Weight Kg


% T Cu
Value
paid,
USD
L24299 5/24/1997 oxide 414,220 1.24 20,790
15848 2/17/2006 oxide 244,984 1.89 9,711
15931 2/28/2006 oxide 295,626 1.62 9,484
L16162 3/4/2006 oxide 400,359 1.81 15,343
R16015 3/7/2006 oxide 227,767 1.70 8,471
R16154 3/10/2006 oxide 157,392 1.75 6,123
L16215 3/17/2006 oxide 195,650 1.71 7,427
L16289 3/24/2006 oxide 404,910 1.78 16,002
L16356 3/31/2006 oxide 308,442 1.77 12,378
L16401 4/7/2006 oxide 466,308 1.64 16,927
  4/13/2006 oxide 284,035 1.56 9,629
L16559 4/21/2006 oxide 310,508 1.79 13,178
L16669 4/28/2006 oxide 511,831 1.58 17,935
L16767 5/5/2006 oxide 98,339 1.54 3,350
L16849 5/12/2006 oxide 576,685 1.52 24,840
L17007 5/19/2006 oxide 166,083 1.60 8,410
L17026 5/24/2006 oxide 865,290 1.54 40,842
L17092 5/31/2006 oxide 141,213 1.48 6,133
L17122 6/6/2006 oxide 284,473 1.52 18,249
L17277 6/16/2006 oxide 390,058 1.39 22,194
L17358 6/23/2006 oxide 294,590 1.35 16,359
L17562 7/7/2006 oxide 90,870 1.49 4,841
L17669 7/13/2006 oxide 239,319 1.32 12,447
L17728 7/14/2006 oxide 102,927 1.39 5,758
L17738 7/18/2006 oxide 321,757 1.42 16,863
L17796 7/21/2006 oxide 617,030 1.32 28,180
L17840 7/25/2006 oxide 565,279 1.34 26,630
L17899 7/28/2006 oxide 584,882 1.47 30,870

   
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L17981 8/4/2006 oxide 1,323,211 1.47 74,802
L18142 8/11/2006 oxide 301,324 1.43 16,856
L18356 8/18/2006 oxide 488,145 1.36 25,932
L18356 8/25/2006 oxide 583,585 1.77 42,732
L18502 9/6/2006 oxide 693,726 2.08 61,619
L18612 9/8/2006 oxide 573,801 1.78 42,239
L18788 9/15/2006 oxide 711,177 1.67 49,021
L18846 9/22/2006 oxide 545,295 1.61 36,044
L19047 9/29/2006 oxide 301,098 1.39 16,642
L19114 10/6/2006 oxide 98,852 1.65 6,677
L19116 10/6/2006 oxide 679,738 2.15 61,598
L19359 10/18/2006 oxide 292,554 1.76 21,210
L19360 10/18/2006 oxide 94,683 1.39 5,199
L19616 10/31/2006 oxide 464,204 1.40 25,257
L19617 10/31/2006 oxide 405,663 1.70 28,185
L19660 11/7/2006 oxide 300,496 1.67 20,461
R19663 11/7/2006 oxide 608,745 1.76 43,470
L19866 11/14/2006 oxide 917,741 1.85 69,901
L19964 11/21/2006 oxide 317,703 1.96 25,801
L19962 11/21/2006 oxide 157,063 2.10 13,682
T19963 11/21/2006 oxide 205,707 1.60 9,956
L20206 12/6/2006 oxide 733,049 1.54 43,142
L20205 12/6/2006 oxide 316,581 1.46 17,150
R20229 12/6/2006 oxide 205,707 1.60 12,235
L20380 12/13/2006 oxide 747,132 1.47 39,538
L20381 12/13/2006 oxide 156,005 1.65 9,367
L20586 12/21/2006 oxide 904,739 1.35 43,355
T20815 12/29/2006 oxide 147,741 1.41 5,471
R20850 1/9/2007 oxide 147,741 1.41 6,942
L20854 1/9/2007 oxide 1,053,083 1.30 45,218
L20852 1/9/2007 oxide 265,848 1.21 11,022
L21133 1/18/2007 oxide 102,296 1.87 6,696
L21134 1/18/2007 oxide 1,057,690 1.37 47,522
T21321 1/24/2007 oxide 316,376 1.31 9,637
L21323 1/24/2007 oxide 396,829 1.26 16,381
T21319 1/24/2007 oxide 935,614 1.41 31,418
L21322 1/24/2007 oxide 550,903 1.43 26,284
L21629 1/25/2007 oxide 408,669 1.34 14,218
R21645 2/6/2007 oxide 316,376 1.31 10,520
R21644 2/6/2007 oxide 935,614 1.41 34,215
T21814 2/7/2007 oxide 103,984 1.34 2,419
T21813 2/7/2007 oxide 212,586 1.47 5,731
T21815 2/7/2007 oxide 105,681 1.71 3,582

   
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L21806 2/13/2007 oxide 608,124 1.42 22,926
L21807 2/13/2007 oxide 304,813 1.30 955
L21808 2/13/2007 oxide 206,261 1.45 8,009
L23008 2/14/2007 oxide 210,025 1.26 6,502
L23007 2/14/2007 oxide 205,988 1.30 657
L23006 2/14/2007 oxide 266,644 1.33 9,109
T22010 2/23/2007 oxide 207,736 1.35 4,510
T22011 2/23/2007 oxide 214,390 1.49 5,834
L22194 3/6/2007 oxide 273,899 1.25 8,697
L22193 3/6/2007 oxide 162,001 1.28 5,122
R22214 3/6/2007 oxide 214,390 1.49 8,561
R22215 3/6/2007 oxide 207,736 1.35 6,895
R22216 3/6/2007 oxide 105,681 1.71 5,119
R22217 3/6/2007 oxide 103,984 1.34 3,604
R22218 3/6/2007 oxide 212,586 1.47 8,389
L22470 3/15/2007 oxide 103,704 1.27 3,130
L22471 3/15/2007 oxide 217,338 1.24 6,198
L22624 3/22/2007 oxide 105,390 1.27 3,316
L22625 3/22/2007 oxide 824,027 1.24 24,941
L23158 4/10/2007 oxide 366,040 1.32 13,599
L23156 4/10/2007 oxide 100,977 1.35 4,190
L23157 4/10/2007 oxide 111,521 1.37 4,693
L23159 4/10/2007 oxide 861,788 1.33 34,455
L23425 4/19/2007 oxide 95,467 1.24 3,539
L23424 4/19/2007 oxide 309,936 1.19 10,745
L23426 4/19/2007 oxide 211,887 1.24 7,861
L23593 4/24/2007 oxide 104,702 1.29 4,044
L23594 4/24/2007 oxide 25,996 1.20 1,165
T23595 4/24/2007 oxide 199,985 1.23 5,108
L23596 4/24/2007 oxide 197,229 1.20 7,098
L23598 4/24/2007 oxide 517,748 1.22 18,509
L23602 4/24/2007 oxide 396,828 1.21 14,107
R23962 5/8/2007 oxide 199,985 1.23 9,873
L24137 5/15/2007 oxide 338,443 1.20 13,691
L24138 5/15/2007 oxide 102,898 1.24 3,859
L24267 5/18/2007 oxide 97,961 1.20 4,674
L22717 5/23/2007 oxide 99,658 1.32 3,285
L22718 5/23/2007 oxide 108,116 1.27 3,433
T24412 5/31/2007 oxide 305,473 1.21 10,591
T24411 5/31/2007 oxide 90,948 1.20 3,100
R24697 6/8/2007 oxide 90,948 1.20 3,100
L24751 6/8/2007 oxide 117,895 1.25 6,037
L24750 6/8/2007 oxide 583,471 1.20 27,757

   
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R24699 6/8/2007 oxide 305,473 1.21 14,638
L24797 6/12/2007 oxide 396,886 1.22 18,991
L24792 6/12/2007 oxide 106,128 1.22 3,068
T24830 6/14/2007 oxide 215,369 1.23 7,609
T24831 6/14/2007 oxide 68,783 1.46 3,055
T24885 6/19/2007 oxide 223,363 1.70 11,738
T24937 6/22/2007 oxide 130,678 1.43 5,648
L24992 6/28/2007 oxide 507,903 1.21 24,278
T24995 6/28/2007 oxide 195,775 1.20 6,660
T25018 6/29/2007 oxide 555,732 1.47 24,441
R250070 7/6/2007 oxide 215,369 1.23 10,232
R25072 7/6/2007 oxide 68,783 1.46 4,049
R25074 7/6/2007 oxide 223,363 1.70 15,499
R25076 7/6/2007 oxide 130,678 1.43 7,502
R25081 7/6/2007 oxide 195,775 1.20 892
R25084 7/6/2007 oxide 555,732 1.47 32,533
L25242 7/6/2007 oxide 206,321 1.33 8,131
L25243 7/6/2007 oxide 543,296 1.20 25,707
L25244 7/6/2007 oxide 1,147,795 1.36 57,490
L25459 7/13/2007 oxide 314,708 2.13 27,480
T25507 7/13/2007 oxide 132,823 2.12 8,546
T25604 7/20/2007 oxide 258,255 1.74 12,975
L25605 7/20/2007 oxide 180,818 1.85 13,513
T25645 7/25/2007 oxide 400,456 1.65 18,938
L25669 7/27/2007 oxide 125,189 1.39 7,069
T25670 7/27/2007 oxide 235,342 1.55 10,367
R25909 8/7/2007 oxide 132,823 2.12 12,740
R25910 8/7/2007 oxide 258,255 1.74 19,666
R25911 8/7/2007 oxide 400,456 1.65 28,749
L25864 8/7/2007 oxide 239,715 1.82 19,074
L25862 8/7/2007 oxide 249,873 1.67 18,388
R25916 8/8/2007 oxide 235,342 1.55 15,777
L26028 8/10/2007 oxide 102,345 1.44 6,328
L26124 8/16/2007 oxide 571,865 1.46 34,537
L26234 8/17/2007 oxide 48,180 1.52 3,162
L26203 8/17/2007 oxide 25,812 1.65 1,860
T26390 8/28/2007 oxide 499,104 1.96 32,207
T26449 8/30/2007 oxide 441,517 1.52 20,628
T26462 8/31/2007 oxide 49,460 1.85 2,915
R26712 9/7/2007 oxide 441,517 1.52 26,297
R26693 9/7/2007 oxide 499,104 1.96 40,467
L26750 9/7/2007 oxide 107,029 1.24 5,057
R26807 9/11/2007 oxide 49,460 1.85 3,690

   
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R26808 9/11/2007 oxide 210,520 1.92 16,221
L26770 9/11/2007 oxide 28,877 1.77 2,068
L26781 9/11/2007 oxide 107,030 1.26 3,457
L26769 9/11/2007 oxide 405,575 1.48 23,584
L26885 9/13/2007 oxide 183,254 1.35 8,347
T27078 9/26/2007 oxide 42,981 1.98 2,532
L27077 9/26/2007 oxide 171,536 1.25 8,222
T27154 9/28/2007 oxide 102,907 2.16 6,452
T27152 9/28/2007 oxide 284,842 2.20 18,133
R27347 10/5/2007 oxide 42,981 1.98 3,569
R27350 10/5/2007 oxide 102,907 2.16 9,168
L27360 10/5/2007 oxide 148,935 2.10 12,887
L27361 10/5/2007 oxide 252,201 1.86 18,434
R27349 10/5/2007 oxide 284,842 2.20 25,798
L27421 10/9/2007 oxide 74,128 2.29 7,179
L27424 10/9/2007 oxide 24,696 2.1 2,094
L27428 10/9/2007 oxide 26,840 2.06 2,242
L27484 10/10/2007 oxide 318,967 1.49 18,855
L27662 10/17/2007 oxide 172,885 1.99 13,905
L27663 10/17/2007 oxide 102,374 2.07 8,733
L27642 10/20/2007 oxide 266,692 1.94 20,815
L32092 4/4/2008 oxide 286,121 1.83 20,174
L32091 4/4/2008 oxide 469,897 1.64 27,426
L32096 4/4/2008 oxide 288,585 1.63 16,700
L32090 4/4/2008 oxide 287,607 1.82 19,974
L32458 4/9/2008 oxide 251,521 1.44 12,508
L32512 4/11/2008 oxide 48,063 1.64 2,889
L32511 4/11/2008 oxide 183,699 1.71 10,750
L32688 4/18/2008 oxide 24,997 2.00 1,749
L32822 4/29/2008 oxide 24,366 1.96 1,953
L32820 4/29/2008 oxide 74,351 1.92 5,334
L32821 4/29/2008 oxide 47,666 1.40 2,639
L33054 5/8/2008 oxide 155,723 1.44 7,448
L33060 5/8/2008 oxide 125,431 1.75 8,063
L33825 5/30/2008 oxide 50,644 1.72 3,193
L33827 5/30/2008 oxide 47,927 1.91 3,563
L33835 5/30/2008 oxide 107,340 1.25 3,534
L40247 1/14/2009 oxide 26,442 2.27 2,217
L42268 4/30/2009 oxide 24,454 1.90 435
L42376 5/8/2009 oxide 22,650 1.85 380
L42562 5/15/2009 oxide 56,017 1.84 1,136
L42652 5/22/2009 oxide 48,606 2.11 1,581
L42817 6/5/2009 oxide 24,046 2.17 734

   
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L 43043 6/18/2009 oxide 28,799 1.70 516
T 19369 18/0/06 oxide 608,745 1.76 33,256
L 17206 9&/06 oxide 529,446 1.48 32,572
Total kg       59,327,962      
Weighted avg grade, total Cu% 1.52      

   
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Appendix C. Listing of waypoints referred to in text and figures, locations where geologic data was collected during M Gray reconnaissance evaluation.



Name


Description
UTM
Zone No
WGS84
UTM
Zone Ltr
WGS84


UTME


UTMN


Altitude


Symbol
4 03-OCT-099:28:41AM 19 J  385075 6937946 1365m Mine
5 03-OCT-099:55:56AM 19 J  384896 6938058 1441m   
6 03-OCT-099:59:57AM 19 J  384883 6938063 1447m   
7 03-OCT-0910:26:06AM 19 J  384807 6938166 1455m   
8 03-OCT-0910:43:19AM 19 J  384923 6938327 1402m Mine
9 03-OCT-0911:22:21AM 19 J  385160 6938196 1333m   
10 03-OCT-0911:25:17AM 19 J  385100 6938244 1326m Mine
11 03-OCT-0911:30:28AM 19 J  385160 6938130 1325m   
12 03-OCT-0911:34:31AM 19 J  385164 6938103 1321m   
13 03-OCT-0912:46:16PM 19 J  382721 6938918 1250m Mine
14 03-OCT-0912:57:01PM 19 J  382731 6938915 1252m   
15 03-OCT-0912:58:25PM 19 J  382721 6938912 1251m   
16 03-OCT-091:13:14PM 19 J  382761 6938862 1258m Mine
17 03-OCT-091:17:52PM 19 J  382754 6938866 1257m Mine
18 03-OCT-091:24:49PM 19 J  382725 6938875 1253m Mine
19 03-OCT-091:38:45PM 19 J  382573 6938788 1246m Mine
20 03-OCT-091:49:34PM 19 J  382577 6938772 1253m Mine
21 03-OCT-092:11:51PM 19 J  382646 6938751 1251m Mine
22 03-OCT-092:14:37PM 19 J  382654 6938736 1253m Mine
23 03-OCT-092:22:35PM 19 J  382646 6938661 1261m   
24 03-OCT-092:23:34PM 19 J  382637 6938655 1262m   
25 03-OCT-092:47:18PM 19 J  383106 6938319 1169m Mine
26 03-OCT-093:16:12PM 19 J  382889 6938084 1208m Mine
27 03-OCT-093:37:14PM 19 J  383039 6938479 1201m Mine
28 03-OCT-093:48:44PM 19 J  383046 6938482 1204m Mine
29 03-OCT-093:58:47PM 19 J  383497 6938500 1169m Mine
30 04-OCT-098:18:51AM 19 J  384810 6937628 1307m   
31 04-OCT-098:33:57AM 19 J  384878 6937904 1355m Mine
32 04-OCT-0911:49:51AM 19 J  384575 6937826 1325m Mine
33 04-OCT-0912:15:15PM 19 J  384683 6938001 1382m Mine
34 04-OCT-092:17:43PM 19 J  383715 6938309 1174m Mine
35 04-OCT-092:28:06PM 19 J  383889 6938276 1199m   
36 05-OCT-098:07:41AM 19 J  385698 6937916 1206m   
37 05-OCT-098:27:58AM 19 J  385471 6938095 1242m   
38 05-OCT-098:42:16AM 19 J  385435 6938095 1247m   
39 05-OCT-098:49:29AM 19 J  385414 6938100 1250m   
40 05-OCT-098:55:58AM 19 J  385389 6938097 1257m   
41 05-OCT-099:02:35AM 19 J  385375 6938094 1258m   

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 86 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

  
42 05-OCT-099:15:12AM 19 J 385363 6938083 1261m  
43 05-OCT-099:23:08AM 19 J 385342 6938083 1263m  
44 05-OCT-099:27:01AM 19 J 385335 6938083 1264m  
45 05-OCT-099:35:24AM 19 J 385322 6938089 1265m  
46 05-OCT-099:39:55AM 19 J 385290 6938084 1271m  
47 05-OCT-099:44:09AM 19 J 385280 6938079 1274m  
48 05-OCT-099:46:19AM 19 J 385274 6938053 1279m  
49 05-OCT-099:48:55AM 19 J 385265 6938031 1285m  
50 05-OCT-099:52:27AM 19 J 385257 6938025 1285m  
51 05-OCT-099:55:39AM 19 J 385251 6938019 1287m  
52 05-OCT-099:59:13AM 19 J 385241 6938014 1290m  
53 05-OCT-0910:03:05AM 19 J 385240 6938027 1289m  
54 05-OCT-0910:05:53AM 19 J 385238 6938043 1288m  
55 05-OCT-0910:28:34AM 19 J 385459 6937672 1269m  
56 05-OCT-0910:31:43AM 19 J 385489 6937643 1277m  
57 05-OCT-0910:40:23AM 19 J 385387 6937720 1264m  
58 05-OCT-0910:52:02AM 19 J 384770 6937671 1290m  
59 05-OCT-0911:01:48AM 19 J 384802 6937698 1299m  
60 05-OCT-0911:13:28AM 19 J 384839 6937735 1314m  
61 05-OCT-0911:24:14AM 19 J 384850 6937738 1322m  
62 05-OCT-0911:32:22AM 19 J 384850 6937731 1322m  
63 05-OCT-0911:37:06AM 19 J 384849 6937716 1322m  
64 05-OCT-091:13:07PM 19 J 384389 6937595 1251m Mine
65 05-OCT-091:22:03PM 19 J 384374 6937575 1245m Mine
66 05-OCT-092:01:14PM 19 J 384444 6937652 1252m Mine
67 05-OCT-092:22:09PM 19 J 384533 6937640 1263m  
68 05-OCT-092:29:47PM 19 J 384591 6937572 1258m Mine
69 05-OCT-092:44:07PM 19 J 384576 6937535 1261m  
70 05-OCT-092:47:56PM 19 J 384565 6937529 1259m  
71 05-OCT-092:53:20PM 19 J 384528 6937523 1262m Mine
72 05-OCT-093:30:19PM 19 J 384706 6937756 1299m  
73 05-OCT-093:40:28PM 19 J 384687 6937806 1300m Mine
74 05-OCT-093:46:45PM 19 J 384692 6937762 1300m  
75 07-OCT-096:04:37AM 19 J 385319 6937704 1239m  
76 07-OCT-097:37:09AM 19 J 384861 6937898 1371m  
77 07-OCT-097:56:18AM 19 J 384884 6937878 1370m  
78 07-OCT-098:10:18AM 19 J 384764 6937982 1389m  
79 07-OCT-098:16:03AM 19 J 384799 6937967 1392m Mine
80 07-OCT-098:56:03AM 19 J 384747 6937931 1369m  
81 07-OCT-099:04:20AM 19 J 384726 6937969 1371m  
82 07-OCT-099:18:13AM 19 J 384692 6937984 1372m Mine
83 07-OCT-099:38:34AM 19 J 384674 6937953 1365m  
84 07-OCT-099:41:01AM 19 J 384654 6937935 1360m  
   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 87 of 89



  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

85 07-OCT-099:43:41AM 19 J 384631 6937919 1360m Mine
86 07-OCT-099:53:09AM 19 J 384604 6937877 1351m Mine
87 07-OCT-0910:07:54AM 19 J 384564 6937838 1325m Mine
88 07-OCT-0910:20:29AM 19 J 384542 6937861 1339m   
89 07-OCT-0911:48:12AM 19 J 384311 6937677 1279m Mine
90 07-OCT-0912:00:49PM 19 J 384221 6937705 1290m Mine
91 07-OCT-0912:12:44PM 19 J 384021 6937690 1272m Mine
92 07-OCT-0912:22:03PM 19 J 384038 6937708 1272m Mine
93 07-OCT-0912:25:50PM 19 J 384082 6937727 1269m Mine
94 07-OCT-0912:33:34PM 19 J 384120 6937760 1260m Mine
95 07-OCT-0912:55:12PM 19 J 384194 6937748 1276m Mine
96 07-OCT-091:05:34PM 19 J 384302 6937743 1281m Mine
97 08-OCT-095:59:01AM 19 J 386274 6942230 1217m   
98 08-OCT-096:01:40AM 19 J 386124 6941033 1295m   
99 08-OCT-096:02:18AM 19 J 386198 6940593 1313m   
100 08-OCT-097:45:03AM 19 J 384475 6937655 1256m   
101 08-OCT-091:35:38PM 19 J 383083 6938395 1193m Mine
102 08-OCT-091:36:07PM 19 J 383140 6938377 1190m Mine
103 08-OCT-091:44:23PM 19 J 383173 6938285 1168m Mine
104 08-OCT-091:59:37PM 19 J 383113 6938307 1173m   
105 08-OCT-092:18:34PM 19 J 383137 6938338 1187m   
106 08-OCT-092:22:21PM 19 J 383164 6938315 1184m Mine
107 08-OCT-092:33:27PM 19 J 383065 6938588 1244m Mine
108 08-OCT-092:43:36PM 19 J 383055 6938647 1264m Mine
109 08-OCT-092:50:01PM 19 J 383075 6938671 1263m Mine
110 08-OCT-092:53:10PM 19 J 382888 6938657 1257m   
111 08-OCT-093:06:00PM 19 J 382976 6938286 1213m   
112 08-OCT-093:15:14PM 19 J 384199 6938457 1252m Mine
113 08-OCT-093:25:43PM 19 J 384413 6938083 1302m Mine
114 08-OCT-093:28:24PM 19 J 384478 6938128 1293m Mine
115 08-OCT-093:33:06PM 19 J 384215 6937939 1287m Mine
116 08-OCT-094:02:30PM 19 J 384626 6936948 1125m Mine
Cntct 03-OCT-099:51:01AM 19 J 384921 6938056 1432m   
Cu8 03-OCT-0910:31:25AM 19 J 384843 6938238 1436m   
Cu9 03-OCT-0910:37:19AM 19 J 384910 6938320 1404m   
Dh10 03-OCT-092:17:43PM 19 J 382617 6938643 1264m   
Dh2 03-OCT-091:26:55PM 19 J 382702 6938852 1261m   
Dh5 03-OCT-091:30:36PM 19 J 382637 6938828 1255m   
Dh6 03-OCT-0912:44:19PM 19 J 382732 6938908 1251m   
Dh7 03-OCT-091:03:47PM 19 J 382735 6938904 1251m   
Dh9 03-OCT-092:04:54PM 19 J 382661 6938739 1253m Mine
Dha 03-OCT-099:05:31AM 19 J 385181 6937996 1320m   
Hilltop 03-OCT-0910:08:02AM 19 J 384812 6938105 1470m   

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 88 of 89


  Resource Geosciences de Mexico SA de CV
                 43-101 Technical Report on the Rosario Gold Prospect, Region III, Atacama, Chile

Juan
Valdivia

04-OCT-0912:42:52PM

19

J

384183

6938313

1244m

Mon 03-OCT-099:33:25AM 19 J 385067 6937969 1376m   
Monb 05-OCT-098:00:46AM 19 J 385667 6937870 1209m   
Monc 05-OCT-0910:34:32AM 19 J 385512 6937651 1277m   
Mond 05-OCT-0911:05:00AM 19 J 384819 6937715 1304m   
Mone 05-OCT-0912:49:58PM 19 J 384637 6937659 1278m   
Monf 05-OCT-092:20:16PM 19 J 384514 6937617 1260m   
Mong 05-OCT-092:57:43PM 19 J 384514 6937517 1267m   
Monh 05-OCT-092:59:49PM 19 J 384506 6937573 1250m   
Moni 05-OCT-093:07:36PM 19 J 384633 6937550 1273m   
Simoneta 03-OCT-098:40:29AM 19 J 385176 6937999 1313m   
Triador 04-OCT-091:52:58PM 19 J 383675 6938023 1163m Mine
Tunel
Carmen

04-OCT-091:27:49PM

19

J

384118

6938404

1228m

Mine

   
Matthew D. Gray C.P.G. #1068827 November 2009 revised 4 December 2009 Amended 7 December 2010 Page 89 of 89