Note 6 - Mineral Rights and Properties (Tables)

6 Months Ended

Jan. 31, 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
Impact of foreign currency translation		-		(5,594	)		-		(5,594	)
Balance, January 31, 2023		172,390		381,835			15,014		569,239

Accumulated Depletion and Amortization	United States			Canada		Paraguay		Total
Balance, July 31, 2022		(6,388	)		-		-		(6,388	)
Additions		(1	)		-		-		(1	)
Balance, January 31, 2023		(6,389	)		-		-		(6,389	)
Carrying Value
Balance, July 31, 2022	$	165,952		$	982	$	15,014	$	181,948
Balance, Janaury 31, 2023	$	166,001		$	381,835	$	15,014	$	562,850