MINERAL RIGHTS AND PROPERTIES (Tables)

12 Months Ended

Jul. 31, 2015

Schedule of Mineral Rights and Property Acquisition Costs [Table Text Block]

		July 31, 2015			July 31, 2014
Mineral Rights and Properties
Palangana Mine	$	6,587,135		$	6,664,260
Goliad Project		8,689,127			8,689,127
Burke Hollow Project		1,495,750			1,495,750
Longhorn Project		116,870			116,870
Salvo Project		14,905			364,710
Nichols Project		154,774			154,774
Anderson Project		9,154,268			9,154,268
Workman Creek Project		1,472,008			1,372,008
Los Cuatros Project		257,250			257,250
Slick Rock Project		661,271			661,271
Yuty Project		11,947,144			11,947,144
Coronel Oviedo Project		1,133,412			1,133,412
Other Property Acquisitions		285,741			262,115
		41,969,655			42,272,959
Accumulated Depletion		(3,929,884	)		(3,454,533	)
		38,039,771			38,818,426
Databases		2,410,038			2,405,038
Accumulated Amortization		(2,166,966	)		(1,928,901	)
		243,072			476,137
Land Use Agreements		390,155			390,155
Accumulated Amortization		(235,031	)		(196,019	)
		155,124			194,136
	$	38,437,967		$	39,488,699

Schedule of Estimated Depletion and Amortization of Mineral Rights and Properties [Table Text Block]

Fiscal 2016	$	1,045,921
Fiscal 2017		1,411,157
Fiscal 2018		1,675,157
Fiscal 2019		1,759,347
Fiscal 2020		1,269,724
Total	$	7,161,306

Schedule of Mineral Property Expenditures [Table Text Block]

		Year Ended July 31,
		2015		2014		2013
Mineral Property Expenditures
Palangana Mine	$	2,147,293	$	2,566,770	$	4,347,025
Goliad Project		105,282		1,747,619		540,853
Burke Hollow Project		1,316,321		2,094,089		2,225,132
Longhorn Project		66,135		71,497		16,335
Salvo Project		54,462		14,384		54,329
Anderson Project		240,519		254,840		117,008
Workman Creek Project		31,702		32,290		33,573
Slick Rock Project		53,313		66,525		147,043
Yuty Project		392,879		451,464		424,411
Coronel Oviedo Project		564,501		759,804		632,454
Other Mineral Property Expenditures		733,673		1,101,366		1,472,528
	$	5,706,080	$	9,160,648	$	10,010,691