Schedule of Mineral Property Expenditures (Details) (USD $)	12 Months Ended
	Jul. 31, 2014
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 1	$ 2,566,770
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 2	4,347,025
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 3	7,597,102
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 4	1,747,619
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 5	540,853
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 6	646,314
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 7	2,094,089
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 8	2,225,132
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 9	1,176,101
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 10	728
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 11	843,243
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 12	190,009
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 13	71,497
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 14	16,335
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 15	10,163
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 16	14,384
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 17	54,329
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 18	1,113,659
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 19	254,840
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 20	117,008
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 21	375,058
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 22	32,290
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 23	33,573
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 24	50,069
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 25	66,525
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 26	147,043
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 27	47,691
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 28	451,464
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 29	424,411
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 30	627,623
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 31	759,804
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 32	632,454
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 33	2,207,255
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 34	1,100,638
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 35	629,285
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 36	897,678
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 37	9,160,648
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 38	10,010,691
Mineral Rights And Properties Schedule Of Mineral Property Expenditures 39	$ 14,938,722