Note 3 - Mineral Rights and Properties (Tables)

3 Months Ended

Oct. 31, 2019

Notes Tables

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

	October 31, 2019			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		699,854			699,854
Los Cuatros Project		257,250			257,250
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
		67,451,387			67,451,387
Accumulated Depletion		(3,929,884	)		(3,929,884	)
		63,521,503			63,521,503
Databases		2,410,038			2,410,038
Accumulated Amortization		(2,409,437	)		(2,409,188	)
		601			850
Land Use Agreements		404,310			404,310
Accumulated Amortization		(392,411	)		(389,768	)
		11,899			14,542
	$	63,534,003		$	63,536,895

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

	Three Months Ended October 31,
	2019		2018
Mineral Property Expenditures
Palangana Mine	$	320,027	$	280,032
Goliad Project		59,965		18,822
Burke Hollow Project		648,861		108,545
Longhorn Project		10,157		15,376
Salvo Project		7,269		6,808
Anderson Project		16,053		22,214
Workman Creek Project		8,198		7,692
Slick Rock Project		13,134		17,224
Reno Creek Project		148,043		147,876
Yuty Project		14,196		23,403
Oviedo Project		105,938		20,725
Alto Paraná Titanium Project		56,248		25,833
Other Mineral Property Expenditures		115,362		171,693
	$	1,523,451	$	866,243