ASSET RETIREMENT OBLIGATIONS (Details Textual) - USD ($)	12 Months Ended
Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Asset Retirement Obligations [Line Items]
Asset Retirement Obligation, Period Increase (Decrease), Total	$ (452,505)
Revaluation of Asset Retirement Obligations	308,398	$ 0	$ 0
Palangana Mine [Member]
Asset Retirement Obligations [Line Items]
Asset Retirement Obligation, Period Increase (Decrease), Total	452,505
Asset Retirement Obligation, Revision of Estimate	144,107
Revaluation of Asset Retirement Obligations	$ 308,398

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Amount of the Increase or Decrease in the amount of asset retirement obligations for the period associated with the result of revaluation.

+ References

No definition available.

+ Details

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Amount of increase (decrease) in asset retirement obligations.

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Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 35
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6392603&loc=d3e7123-110846

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