MINERAL RIGHTS AND PROPERTIES (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Exploration Abandonment and Impairment Expense			$ 86,535
Impairment of Long-Lived Assets Held-for-use	$ 0	$ 0	86,535	$ 0
Re-valuation of Asset Retirement Obligations	$ 0	$ 0	184,381	$ 0
Palangana Mine [Member]
Increase (Decrease) in Asset Retirement Obligations			24,787
Re-valuation of Asset Retirement Obligations			184,381
Mining Properties and Mineral Rights [Member]
Payment to Maintain Mineral Properties in Good Standing			$ 2,500,000