Note 4 - Mineral Rights and Properties (Tables)

6 Months Ended

Jan. 31, 2019

Notes Tables

Schedule Of Mineral Rights and Property Acquisition Costs [Table Text Block]

	January 31, 2019			July 31, 2018
Mineral Rights and Properties
Palangana Mine	$	6,285,898		$	6,285,898
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
Anderson Project		3,470,373			9,154,268
Workman Creek Project		649,854			1,657,500
Los Cuatros Project		257,250			257,250
Slick Rock Project		-			646,650
Reno Creek Project		31,527,870			31,527,870
Diabase Project		546,938			546,938
Yuty Project		11,947,144			11,947,144
Oviedo Project		1,133,412			1,133,412
Alto Paraná Titanium Project		1,433,030			1,433,030
Other Property Acquisitions		91,080			91,080
		67,659,501			74,997,692
Accumulated Depletion		(3,929,884	)		(3,929,884	)
		63,729,617			71,067,808
Databases		2,410,038			2,410,038
Accumulated Amortization		(2,408,690	)		(2,405,192	)
		1,348			4,846
Land Use Agreements		404,310			404,310
Accumulated Amortization		(372,166	)		(354,388	)
		32,144			49,922
	$	63,763,109		$	71,122,576

Schedule Of Mineral Rights and Property, Fair Value of Consideration Shares [Table Text Block]

Fair value of Consideration Shares	$	9,077,842
Transaction costs		55,787
Net consideration	$	9,022,055

Schedule Of Mineral Rights and Properties Net Consideration Allocation [Table Text Block]

Net consideration allocation to:	Allocation %			Net Consideration Allocation
Anderson Project		63	%	$	5,683,895
Workman Creek Project		12	%		1,082,646
Slick Rock Project		25	%		2,255,514
		100	%	$	9,022,055

Schedule Of Mineral Property Expenditures Incurred by Major Projects [Table Text Block]

	Three Months Ended January 31,				Six Months Ended January 31,
	2019		2018		2019		2018
Mineral Property Expenditures
Palangana Mine	$	246,592	$	237,215	$	526,624	$	476,530
Goliad Project		19,056		19,899		37,878		42,715
Burke Hollow Project		166,469		83,555		275,014		417,792
Longhorn Project		10,157		3,265		25,533		6,072
Salvo Project		6,702		6,702		13,510		13,636
Anderson Project		15,056		14,572		37,270		30,030
Workman Creek Project		7,673		7,673		15,364		15,955
Slick Rock Project		12,206		14,192		29,430		27,805
Reno Creek Project		147,418		244,982		295,294		968,372
Yuty Project		62,600		134,228		86,003		225,196
Oviedo Project		40,758		19,046		61,483		81,242
Alto Paraná Titanium Project		34,429		74,821		60,262		114,432
Other Mineral Property Expenditures		130,101		120,065		301,795		237,138
	$	899,217	$	980,215	$	1,765,460	$	2,656,915