MINERAL RIGHTS AND PROPERTIES (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Re-valuation of Asset Retirement Obligations	$ 0	$ 0	$ (184,381)	$ 0
Mineral property expenditures	725,968	1,045,842	3,408,813	4,560,241
Palangana Mine [Member]
Mineral property expenditures	280,345	500,535	1,031,625	1,621,391
Re-valuation of Asset Retirement Obligations			(184,381)
Goliad Project [Member]
Mineral property expenditures	26,848	25,631	71,679	79,924
Burke Hollow Project [Member]
Mineral property expenditures	48,409	94,702	974,661	1,235,250
Longhorn Project [Member]
Mineral property expenditures	247	22,276	4,620	52,999
Salvo Project [Member]
Mineral property expenditures	4,622	16,751	21,697	39,590
Anderson Project [Member]
Mineral property expenditures	3,564	50,142	170,780	173,564
Workman Creek Project [Member]
Mineral property expenditures	418	0	32,109	31,300
Slick Rock Project [Member]
Mineral property expenditures	0	2,924	53,861	52,708
Yuty Project [Member]
Mineral property expenditures	89,246	41,274	291,788	301,035
Coronel Oviedo Project [Member]
Mineral property expenditures	136,031	132,315	422,763	428,077
Other Mineral Property [Member]
Mineral property expenditures	$ 136,238	$ 159,292	$ 517,611	$ 544,403