Schedule of Estimated Depletion and Amortization of Mineral Rights and Properties (Details) (USD $)	12 Months Ended
	Jul. 31, 2014
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 1	$ 1,234,021
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 2	1,679,722
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 3	1,592,110
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 4	1,575,533
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 5	1,199,724
Mineral Rights And Properties Schedule Of Estimated Depletion And Amortization Of Mineral Rights And Properties 6	$ 7,281,110