Schedule of Reclamation Deposits (Details) (USD $)	3 Months Ended
	Oct. 31, 2013
Reclamation Deposits Schedule Of Reclamation Deposits 1	$ 3,627,562
Reclamation Deposits Schedule Of Reclamation Deposits 2	3,627,562
Reclamation Deposits Schedule Of Reclamation Deposits 3	1,910,494
Reclamation Deposits Schedule Of Reclamation Deposits 4	1,910,494
Reclamation Deposits Schedule Of Reclamation Deposits 5	472,823
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	814
Reclamation Deposits Schedule Of Reclamation Deposits 10	814
Reclamation Deposits Schedule Of Reclamation Deposits 11	6,026,693
Reclamation Deposits Schedule Of Reclamation Deposits 12	6,026,693
Reclamation Deposits Schedule Of Reclamation Deposits 13	14,726
Reclamation Deposits Schedule Of Reclamation Deposits 14	14,216
Reclamation Deposits Schedule Of Reclamation Deposits 15	6,041,419
Reclamation Deposits Schedule Of Reclamation Deposits 16	$ 6,040,909