Note 3 - Mineral Rights and Properties (Tables)

12 Months Ended

Jul. 31, 2020

Notes Tables

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

	July 31, 2020			July 31, 2019
Mineral Rights and Properties
Palangana Mine	$	6,027,784		$	6,027,784
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			3,470,373
Workman Creek Project		799,854			699,854
Los Cuatros Project		257,250			257,250
Slick Rock Project		30,000			-
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
		67,581,387			67,451,387
Accumulated Depletion		(3,929,884	)		(3,929,884	)
		63,651,503			63,521,503
Databases		2,410,038			2,410,038
Accumulated Amortization		(2,410,038	)		(2,409,188	)
		-			850
Land Use Agreements		48,770			404,310
Accumulated Amortization		(44,770	)		(389,768	)
		4,000			14,542
	$	63,655,503		$	63,536,895

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]

	Year Ended July 31,
	2020		2019			2018
Mineral Property Expenditures
Palangana Mine	$	1,342,927	$	1,027,139		$	1,047,635
Goliad Project		190,278		96,789			105,264
Burke Hollow Project		1,130,467		1,616,601			675,605
Longhorn Project		17,023		45,848			14,401
Salvo Project		28,318		35,923			36,056
Anderson Project		71,170		81,414			68,167
Workman Creek Project		32,700		30,709			31,300
Slick Rock Project		52,521		53,843			52,218
Reno Creek Project		596,551		655,807			1,278,959
Yuty Project		65,679		102,882			425,298
Oviedo Project		350,211		288,324			119,082
Alto Paraná Titanium Project		230,350		168,956			175,768
Other Mineral Property Expenditures		474,208		557,497			522,398
Revaluation of Asset Retirement Obligations		-		(274,195	)		-
	$	4,582,403	$	4,487,537		$	4,552,151