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Note 5 - Loans Payable (Details Textual)
12 Months Ended
Apr. 16, 2017
USD ($)
Jul. 31, 2022
USD ($)
Jul. 31, 2023
USD ($)
Jun. 01, 2023
USD ($)
Jul. 31, 2021
USD ($)
Mar. 03, 2021
USD ($)
Jul. 31, 2020
USD ($)
Jun. 11, 2020
USD ($)
Mar. 25, 2019
USD ($)
Oct. 20, 2017
USD ($)
$ / shares
Unsecured Debt   $ 11,000 $ 7,000              
Repayments of Unsecured Debt   15,000                
Winnemucca Mountain Property [Member] | New Option Agreement [Member]                    
Other Commitment       $ 85,000 $ 285,453       $ 381,770  
Convertible Promissory Note [Member]                    
Debt Instrument, Face Amount   25,000               $ 25,000
Debt Instrument, Interest Rate, Stated Percentage                   6.00%
Debt Instrument, Convertible, Conversion Price | $ / shares                   $ 0.10
Interest Payable   $ 6,000                
Debt Instrument, Convertible, Number of Equity Instruments   310,000                
Promissory Note [Member]                    
Interest Payable $ 3,000 $ 7,875     6,375          
Notes Payable $ 15,000 15,000     $ 15,000          
Debt Instrument, Term 2 years                  
Unsecured Debt           $ 5,000   $ 14,000    
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]                    
Debt Instrument, Interest Rate, Stated Percentage             8.00%      
Interest Payable   $ 18,425                
Unsecured Debt             $ 60,000