CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
SALES	$ 0	$ 0	$ 0	$ 0
COSTS AND EXPENSES
Cost of sales	0	0	0	0
Inventory write-down	0	0	60,694	0
Mineral property expenditures	999,241	725,968	2,956,805	3,408,813
General and administrative	2,092,656	2,005,465	6,616,141	7,086,669
Depreciation, amortization and accretion	117,792	205,488	397,399	680,573
Impairment loss on mineral properties	0	0	297,942	86,535
Total Operating Expenses	3,209,689	2,936,921	10,328,981	11,262,590
LOSS FROM OPERATIONS	(3,209,689)	(2,936,921)	(10,328,981)	(11,262,590)
OTHER INCOME (EXPENSES)
Interest income	63,994	7,221	69,424	14,470
Interest expenses and finance costs	(697,644)	(710,767)	(2,185,166)	(2,278,230)
Loss on disposition of assets	0	0	(1,055)	(2,186)
Loss on settlement of current liabilities	0	(46,968)	0	(46,968)
Other income	35,712	0	35,712	0
Total Non-Operating Income Expense	(597,938)	(750,514)	(2,081,085)	(2,312,914)
LOSS BEFORE INCOME TAXES	(3,807,627)	(3,687,435)	(12,410,066)	(13,575,504)
DEFERRED INCOME TAX BENEFIT	8,763	8,380	26,139	22,910
NET LOSS FOR THE PERIOD	(3,798,864)	(3,679,055)	(12,383,927)	(13,552,594)
OTHER COMPREHENSIVE LOSS, NET OF INCOME TAXES	(28)	136	(26)	(282)
TOTAL COMPREHENSIVE LOSS FOR THE PERIOD	$ (3,798,892)	$ (3,678,919)	$ (12,383,953)	$ (13,552,876)
NET LOSS PER SHARE, BASIC AND DILUTED	$ (0.03)	$ (0.03)	$ (0.10)	$ (0.13)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING, BASIC AND DILUTED	137,452,998	109,710,985	124,676,016	102,588,834