COMMON STOCK (Detail Textuals) - $ / shares	9 Months Ended	12 Months Ended
	Apr. 30, 2017	Jul. 31, 2016
Stockholders' Equity Note [Abstract]
Common shares, shares authorized	300,000,000	300,000,000
Common shares, par value (in dollars per share)	$ 0.001	$ 0.001
Number of votes each common shareholders entitled	one vote	one vote
Common stock, shares issued	52,042,286	52,042,286
Common stock, shares outstanding	52,042,286	52,042,286
Common shares offer and sale	10,000,000
Common shares offer and sale, par value (in dollars per share)	$ 0.1695
Equity interest in Mineracao Batovi	17.60%