Statements of Operations (USD $)	3 Months Ended		6 Months Ended		103 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014
Statements of Operations [Abstract]
Revenues
Operating expenses
General and administrative	5,059,362	6,166,927	6,541,345	6,824,831	40,150,648
Research and development	31,806	74,550	89,396	149,691	878,235
Mineral interests					39,015
Total operating expenses	5,091,168	6,241,477	6,630,741	6,974,522	41,067,898
Loss from operations	(5,091,168)	(6,241,477)	(6,630,741)	(6,974,522)	(41,067,898)
Other income (expense)
Interest expense	(6,242)	(109,333)	(131,789)	(254,754)	(746,223)
Change in derivative	21,646	60,652	(27,067)	81,804	130,966
Gain on debt settlement/forgiveness	20,651		20,651		63,814
Total other income (expense)	36,055	(48,681)	(138,205)	(172,950)	(551,443)
Loss before provision for income taxes	(5,055,113)	(6,290,158)	(6,768,946)	(7,147,472)	(41,619,341)
Provision for income taxes
Net loss	$ (5,055,113)	$ (6,290,158)	$ (6,768,946)	$ (7,147,472)	$ (41,619,341)
Loss per common share:
Basic and diluted	$ (0.03)	$ (0.05)	$ (0.04)	$ (0.06)
Weighted average common shares outstanding
Basic and diluted	170,562,369	131,717,143	171,619,851	129,906,666