Note 6 - Mineral Rights and Properties (Tables)

9 Months Ended

Apr. 30, 2023

Notes Tables

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

Costs	United States			Canada			Paraguay		Total
Balance, July 31, 2022	$	172,340		$	982		$	15,014	$	188,336
Additions (Note 3 and 4)		50			386,447			-		386,497
Foreign exchange difference		-			(8,993	)		-		(8,993	)
Balance, April 30, 2023		172,390			378,436			15,014		565,840
Accumulated Depletion and Amortization	United States			Canada			Paraguay		Total
Balance, July 31, 2022		(6,388	)		-			-		(6,388	)
Additions		(1	)		-			-		(1	)
Balance, April 30, 2023		(6,389	)		-			-		(6,389	)
Carrying Value
Balance, July 31, 2022	$	165,952		$	982		$	15,014	$	181,948
Balance, April 30, 2023	$	166,001		$	378,436		$	15,014	$	559,451