Schedule of Reclamation Deposits (Details) (USD $)	6 Months Ended
	Jan. 31, 2014
Reclamation Deposits Schedule Of Reclamation Deposits 1	$ 3,692,076
Reclamation Deposits Schedule Of Reclamation Deposits 2	3,627,562
Reclamation Deposits Schedule Of Reclamation Deposits 3	1,927,218
Reclamation Deposits Schedule Of Reclamation Deposits 4	1,910,494
Reclamation Deposits Schedule Of Reclamation Deposits 5	391,585
Reclamation Deposits Schedule Of Reclamation Deposits 6	472,823
Reclamation Deposits Schedule Of Reclamation Deposits 7	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 8	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 9	815
Reclamation Deposits Schedule Of Reclamation Deposits 10	814
Reclamation Deposits Schedule Of Reclamation Deposits 11	6,026,694
Reclamation Deposits Schedule Of Reclamation Deposits 12	6,026,693
Reclamation Deposits Schedule Of Reclamation Deposits 13	15,067
Reclamation Deposits Schedule Of Reclamation Deposits 14	14,216
Reclamation Deposits Schedule Of Reclamation Deposits 15	6,041,761
Reclamation Deposits Schedule Of Reclamation Deposits 16	$ 6,040,909