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Note 7 - Loans Payable (Details Textual) - USD ($)	Apr. 30, 2025	Apr. 16, 2017	Jul. 31, 2025	Oct. 18, 2024	Jul. 31, 2024	Jun. 01, 2023	Jul. 31, 2020
Unsecured Debt			$ 23,500		$ 11,000
Shares Issued, Price Per Share				$ 0.19
Winnemucca Mountain Property [Member] \| New Option Agreement [Member]
Other Commitment						$ 85,000
Promissory Note [Member]
Notes Payable		$ 15,000	15,000		15,000
Debt Instrument, Term		2 years
Interest Payable		$ 3,000	10,875		9,375
Promissory Note [Member] \| Golden Sands Exploration, Inc [Member]
Notes Payable			85,000		85,000
Interest Payable			$ 850		886
Promissory Note [Member] \| Golden Sands Exploration, Inc [Member] \| Settlement and Promissory Note Agreement [Member]
Debt Instrument, Interest Rate, Stated Percentage						6.00%
July 31, 2020 Unsecured Note [Member]
Notes Payable					60,000
Interest Payable					$ 23,265
Unsecured Debt							$ 60,000
Debt Instrument, Interest Rate, Stated Percentage							8.00%
Repayments of Debt	$ 30,000
Shares Issued, Price Per Share	$ 0.05
July 31, 2020 Unsecured Note [Member] \| Conversion Of Debt To Common Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued	1,137,900