PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	Jul. 31, 2017	Jul. 31, 2016
Property, Plant and Equipment [Line Items]
Cost	$ 12,502,712	$ 12,498,887
Accumulated Depreciation	(5,711,530)	(5,556,583)
Net Book Value	6,791,182	6,942,304
Hobson Processing Facility [Member]
Property, Plant and Equipment [Line Items]
Cost	6,819,088	6,819,088
Accumulated Depreciation	(773,933)	(773,933)
Net Book Value	6,045,155	6,045,155
Mining Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	2,438,681	2,438,920
Accumulated Depreciation	(2,378,737)	(2,256,901)
Net Book Value	59,944	182,019
Logging Equipment and Vehicles [Member]
Property, Plant and Equipment [Line Items]
Cost	1,971,742	1,962,895
Accumulated Depreciation	(1,825,389)	(1,801,811)
Net Book Value	146,353	161,084
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	582,980	586,116
Accumulated Depreciation	(565,223)	(555,972)
Net Book Value	17,757	30,144
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost	170,701	172,348
Accumulated Depreciation	(168,248)	(167,966)
Net Book Value	2,453	4,382
Land [Member]
Property, Plant and Equipment [Line Items]
Cost	519,520	519,520
Accumulated Depreciation	0	0
Net Book Value	$ 519,520	$ 519,520