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MINERAL RIGHTS AND PROPERTIES (Details) - USD ($)
Jul. 31, 2018
Jul. 31, 2017
Mineral Rights and Properties    
Mineral Rights and Properties, Gross $ 74,997,692 $ 42,755,064
Accumulated Depletion (3,929,884) (3,929,884)
Mineral Rights and Properties, Net Of Accumulated Depletion 71,067,808 38,825,180
Accumulated Amortization 4,846 17,842
Mineral Rights and Properties 71,122,576 38,931,976
Databases [Member]    
Mineral Rights and Properties    
Finite-Lived Intangible Assets, Gross 2,410,038 2,410,038
Accumulated Amortization (2,405,192) (2,392,196)
Land Use Agreements [Member]    
Mineral Rights and Properties    
Finite-Lived Intangible Assets, Gross 404,310 404,310
Accumulated Amortization (354,388) (315,356)
Finite-Lived Intangible Assets, Total 49,922 88,954
Palangana Mine [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 6,285,898 6,285,898
Goliad Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 8,689,127 8,689,127
Burke Hollow Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 1,495,750 1,495,750
Longhorn Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 116,870 116,870
Salvo Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 14,905 14,905
Anderson Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 9,154,268 9,154,268
Workman Creek Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 1,657,500 1,520,680
Los Cuatros Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 257,250 257,250
Slick Rock Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 646,650 615,650
Reno Creek Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 31,527,870 0
Diabase Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 546,938 0
Yuty Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 11,947,144 11,947,144
Oviedo Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 1,133,412 1,133,412
Alto Parana Titanium Project [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross 1,433,030 1,433,030
Other Property Acquisitions [Member]    
Mineral Rights and Properties    
Mineral Rights and Properties, Gross $ 91,080 $ 91,080