Schedule of Mineral Property Expenditures (Details) (USD $)	12 Months Ended
	Jul. 31, 2013
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 1	$ 4,347,025
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 2	7,597,102
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 3	7,859,841
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 4	540,853
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 5	646,314
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 6	995,849
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 7	2,214,120
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 8	1,176,101
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 9	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 10	843,243
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 11	190,009
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 12	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 13	54,329
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 14	1,113,659
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 15	1,268,088
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 16	27,270
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 17	150,000
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 18	15,496
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 19	117,008
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 20	375,058
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 21	13,707
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 22	33,573
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 23	50,069
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 24	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 25	147,043
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 26	33,551
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 27	27,596
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 28	424,411
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 29	627,623
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 30	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 31	632,454
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 32	2,207,255
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 33	250,992
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 34	629,362
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 35	771,981
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 36	988,611
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 37	10,010,691
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 38	14,938,722
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 39	$ 11,420,180