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Note 5 - Mineral Rights and Properties - Mineral Property Expenditures (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2022 | Apr. 30, 2021
Mineral Property Expenditures | $ 2,912,518 | $ 1,478,754 | $ 6,678,207 | $ 3,141,772
Palangana Mine [Member] |  |  |  |
Mineral Property Expenditures | 299,727 | 216,791 | 811,443 | 648,459
Burke Hollow Project [Member] |  |  |  |
Mineral Property Expenditures | 938,789 | 626,695 | 2,356,485 | 942,311
Goliad Project [Member] |  |  |  |
Mineral Property Expenditures | 42,230 | 51,437 | 171,670 | 168,493
Longhorn Project [Member] |  |  |  |
Mineral Property Expenditures | 15,381 | 2,289 | 22,831 | 6,866
Salvo Project [Member] |  |  |  |
Mineral Property Expenditures | 4,452 | 7,672 | 14,601 | 23,537
Anderson Project [Member] |  |  |  |
Mineral Property Expenditures | 27,335 | 19,469 | 59,944 | 58,360
Workman Creek Project [Member] |  |  |  |
Mineral Property Expenditures | 8,167 | 8,168 | 24,922 | 24,533
Slick Rock Project [Member] |  |  |  |
Mineral Property Expenditures | 12,993 | 12,994 | 39,477 | 39,123
Reno Creek Project [Member] |  |  |  |
Mineral Property Expenditures | 258,606 | 215,725 | 682,758 | 485,791
Allemand Ross Project [Member] |  |  |  |
Mineral Property Expenditures | 90,387 | 0 | 139,276 | 0
Christensen Ranch Mine [Member] |  |  |  |
Mineral Property Expenditures | 513,663 | 0 | 776,890 | 0
Ludeman Project [Member] |  |  |  |
Mineral Property Expenditures | 78,680 | 0 | 124,957 | 0
Moore Ranch Project [Member] |  |  |  |
Mineral Property Expenditures | 55,982 | 0 | 74,529 | 0
Yuty Project [Member] |  |  |  |
Mineral Property Expenditures | 33,349 | 7,129 | 53,961 | 21,457
Oviedo Project [Member] |  |  |  |
Mineral Property Expenditures | 145,853 | 109,676 | 468,447 | 256,091
Alto Parana Titanium Project [Member] |  |  |  |
Mineral Property Expenditures | 76,925 | 88,796 | 281,577 | 134,710
Other Property Acquisitions [Member] |  |  |  |
Mineral Property Expenditures | $ 309,999 | $ 111,913 | $ 574,439 | $ 332,041

X
- Definition Amount of mineral property expenditures. + References No definition available. + Details
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