Schedule of Mineral Property Expenditures (Details) (USD $)	6 Months Ended
	Jan. 31, 2014
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 1	$ 635,877
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 2	1,144,391
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 3	1,307,459
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 4	2,968,254
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 5	1,027,060
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 6	119,983
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 7	1,172,031
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 8	223,985
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 9	423,771
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 10	218,900
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 11	598,069
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 12	1,321,833
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 13	44
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 14	84,547
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 15	509
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 16	775,808
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 17	43,524
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 18	202
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 19	127,685
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 20	74,924
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 21	1,240
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 22	1,704
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 23	30,211
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 24	32,640
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 25	1,986
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 26	31,842
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 27	51,011
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 28	86,852
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 29	62,924
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 30	16,689
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 31	80,749
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 32	107,960
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 33	60,045
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 34	145,790
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 35	144,196
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 36	345,592
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 37	327,549
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 38	141,216
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 39	660,243
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 40	344,701
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 41	2,584,020
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 42	1,905,264
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 43	4,172,163
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 44	$ 6,282,549