Note 4 - Mineral Rights and Properties (Tables)

3 Months Ended

Oct. 31, 2023

Notes Tables

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

Costs	United States		Canada			Paraguay		Total
Balance, July 31, 2023	$	172,440	$	384,607		$	15,014	$	572,061
Additions		-		1,160			-		1,160
Foreign exchange difference		-		(10,297	)		-		(10,297	)
Balance, October 31, 2023		172,440		375,470			15,014		562,924

Accumulated Depletion and Amortization	United States			Canada			Paraguay		Total
Balance, July 31, 2023		(6,389	)		(112	)		-		(6,501	)
Balance, October 31, 2023		(6,389	)		(112	)		-		(6,501	)
Carrying Value
Balance, July 31, 2023	$	166,051		$	384,495		$	15,014	$	565,560
Balance, October 31, 2023	$	166,051		$	375,358		$	15,014	$	556,423