Schedule of Reclamation Deposits (Details)	12 Months Ended
	Jul. 31, 2015 USD ($)
Reclamation Deposits Schedule Of Reclamation Deposits 1	$ 1,102,981
Reclamation Deposits Schedule Of Reclamation Deposits 2	3,689,666
Reclamation Deposits Schedule Of Reclamation Deposits 3	587,228
Reclamation Deposits Schedule Of Reclamation Deposits 4	1,957,476
Reclamation Deposits Schedule Of Reclamation Deposits 5	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 6	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 7	816
Reclamation Deposits Schedule Of Reclamation Deposits 8	815
Reclamation Deposits Schedule Of Reclamation Deposits 9	1,706,025
Reclamation Deposits Schedule Of Reclamation Deposits 10	5,662,957
Reclamation Deposits Schedule Of Reclamation Deposits 11	0
Reclamation Deposits Schedule Of Reclamation Deposits 12	15,672
Reclamation Deposits Schedule Of Reclamation Deposits 13	1,706,025
Reclamation Deposits Schedule Of Reclamation Deposits 14	$ 5,678,629