MINERAL RIGHTS AND PROPERTIES (Details 2) - USD ($)	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Mineral Property Expenditures	$ 4,552,151	$ 4,120,388	$ 4,061,159
Revaluation Of Asset Retirement Obligations	0	(187,255)	(308,398)
Palangana Mine [Member]
Mineral Property Expenditures	1,047,635	880,633	1,273,002
Goliad Project [Member]
Mineral Property Expenditures	105,264	114,286	92,588
Burke Hollow Project [Member]
Mineral Property Expenditures	675,605	1,020,965	1,034,888
Longhorn Project [Member]
Mineral Property Expenditures	14,401	32,796	10,149
Salvo Project [Member]
Mineral Property Expenditures	36,056	37,551	34,289
Anderson Project [Member]
Mineral Property Expenditures	68,167	68,303	178,212
Workman Creek Project [Member]
Mineral Property Expenditures	31,300	31,265	32,820
Slick Rock Project [Member]
Mineral Property Expenditures	52,218	44,231	53,861
Reno Creek Project [Member]
Mineral Property Expenditures	1,278,959	0	0
Yuty Project [Member]
Mineral Property Expenditures	425,298	365,517	388,840
Oviedo Project [Member]
Mineral Property Expenditures	119,082	331,798	569,077
Alto Parana Titanium Project [Member]
Mineral Property Expenditures	175,768	800,023	0
Other Mineral Property Expenditures [Member]
Mineral Property Expenditures	$ 522,398	$ 580,275	$ 701,831