Schedule of Mineral Property Expenditures (Details) (USD $)	9 Months Ended
	Apr. 30, 2014
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 1	$ 668,307
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 2	756,414
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 3	1,975,766
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 4	3,724,668
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 5	419,278
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 6	145,390
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 7	1,591,309
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 8	369,375
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 9	750,907
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 10	572,578
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 11	1,348,976
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 12	1,894,411
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 13	219
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 14	29,983
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 15	728
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 16	805,791
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 17	45,290
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 18	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 19	172,975
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 20	74,924
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 21	1,440
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 22	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 23	31,651
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 24	32,640
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 25	10,309
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 26	29,910
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 27	61,320
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 28	116,762
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 29	148,248
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 30	26,831
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 31	228,997
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 32	134,791
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 33	457,527
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 34	88,210
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 35	601,723
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 36	433,802
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 37	237,824
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 38	177,831
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 39	898,067
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 40	522,532
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 41	2,739,349
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 42	1,827,147
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 43	6,911,512
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 44	$ 8,109,696