Schedule of Mineral Property Expenditures (Details) (USD $)	9 Months Ended
	Apr. 30, 2015
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 1	$ 500,535
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 2	668,307
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 3	1,621,391
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 4	1,975,766
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 5	25,631
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 6	419,278
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 7	79,924
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 8	1,591,309
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 9	94,702
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 10	750,907
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 11	1,235,250
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 12	1,348,976
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 13	22,276
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 14	21,852
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 15	52,999
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 16	50,552
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 17	16,751
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 18	4,358
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 19	39,590
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 20	5,374
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 21	50,142
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 22	45,290
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 23	173,564
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 24	172,975
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 25	0
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 26	1,440
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 27	31,300
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 28	31,651
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 29	2,924
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 30	10,309
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 31	52,708
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 32	61,320
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 33	41,274
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 34	148,248
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 35	301,035
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 36	228,997
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 37	132,315
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 38	457,527
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 39	428,077
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 40	601,723
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 41	159,292
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 42	211,833
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 43	544,403
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 44	842,869
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 45	1,045,842
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 46	2,739,349
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 47	4,560,241
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 48	$ 6,911,512