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MINERAL RIGHTS AND PROPERTIES (Tables)
9 Months Ended
Apr. 30, 2016
Mineral Industries Disclosures [Abstract]  
Schedule Of Mineral Rights and Property Acquisition Costs [Table Text Block]
Mineral rights and property acquisition costs consisted of the following:
 
 
 
April 30, 2016
 
July 31, 2015
 
Mineral Rights and Properties
 
 
 
 
 
 
 
Palangana Mine
 
$
6,562,348
 
$
6,587,135
 
Goliad Project
 
 
8,689,127
 
 
8,689,127
 
Burke Hollow Project
 
 
1,495,750
 
 
1,495,750
 
Longhorn Project
 
 
116,870
 
 
116,870
 
Salvo Project
 
 
14,905
 
 
14,905
 
Nichols Project
 
 
154,774
 
 
154,774
 
Anderson Project
 
 
9,154,268
 
 
9,154,268
 
Workman Creek Project
 
 
1,472,008
 
 
1,472,008
 
Los Cuatros Project
 
 
257,250
 
 
257,250
 
Slick Rock Project
 
 
615,650
 
 
661,271
 
Yuty Project
 
 
11,947,144
 
 
11,947,144
 
Coronel Oviedo Project
 
 
1,133,412
 
 
1,133,412
 
Other Property Acquisitions
 
 
244,827
 
 
285,741
 
 
 
 
41,858,333
 
 
41,969,655
 
Accumulated Depletion
 
 
(3,929,884)
 
 
(3,929,884)
 
 
 
 
37,928,449
 
 
38,039,771
 
 
 
 
 
 
 
 
 
Databases
 
 
2,410,038
 
 
2,410,038
 
Accumulated Amortization
 
 
(2,314,890)
 
 
(2,166,966)
 
 
 
 
95,148
 
 
243,072
 
 
 
 
 
 
 
 
 
Land Use Agreements
 
 
404,310
 
 
390,155
 
Accumulated Amortization
 
 
(264,821)
 
 
(235,031)
 
 
 
 
139,489
 
 
155,124
 
 
 
$
38,163,086
 
$
38,437,967
 
Schedule Of Mineral Property Expenditures Incurred by Major Projects [Table Text Block]
Mineral property expenditures incurred by major projects were as follows:
 
 
 
Three Months Ended April 30,
 
Nine Months Ended April 30,
 
 
 
2016
 
2015
 
2016
 
2015
 
Mineral Property Expenditures
 
 
 
 
 
 
 
 
 
 
 
 
 
Palangana Mine
 
$
280,345
 
$
500,535
 
$
1,031,625
 
$
1,621,391
 
Goliad Project
 
 
26,848
 
 
25,631
 
 
71,679
 
 
79,924
 
Burke Hollow Project
 
 
48,409
 
 
94,702
 
 
974,661
 
 
1,235,250
 
Longhorn Project
 
 
247
 
 
22,276
 
 
4,620
 
 
52,999
 
Salvo Project
 
 
4,622
 
 
16,751
 
 
21,697
 
 
39,590
 
Anderson Project
 
 
3,564
 
 
50,142
 
 
170,780
 
 
173,564
 
Workman Creek Project
 
 
418
 
 
-
 
 
32,109
 
 
31,300
 
Slick Rock Project
 
 
-
 
 
2,924
 
 
53,861
 
 
52,708
 
Yuty Project
 
 
89,246
 
 
41,274
 
 
291,788
 
 
301,035
 
Coronel Oviedo Project
 
 
136,031
 
 
132,315
 
 
422,763
 
 
428,077
 
Other Mineral Property Expenditures
 
 
136,238
 
 
159,292
 
 
517,611
 
 
544,403
 
Re-valuation of Asset Retirement Obligations
 
 
-
 
 
-
 
 
(184,381)
 
 
-
 
 
 
$
725,968
 
$
1,045,842
 
$
3,408,813
 
$
4,560,241