MINERAL RIGHTS AND PROPERTIES (Tables)

3 Months Ended

Oct. 31, 2016

Mineral Industries Disclosures [Abstract]

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

Mineral rights and property acquisition costs consisted of the following:

	October 31, 2016		July 31, 2016
Mineral Rights and Properties
Palangana Mine	$	6,443,028	$	6,443,028
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		14,905
Nichols Project		154,774		154,774
Anderson Project		9,154,268		9,154,268
Workman Creek Project		1,520,680		1,472,008
Los Cuatros Project		257,250		257,250
Slick Rock Project		615,650		615,650
Yuty Project		11,947,144		11,947,144
Oviedo Project (1)		1,133,412		1,133,412
Other Property Acquisitions		91,080		234,248
		41,633,938		41,728,434
Accumulated Depletion		(3,929,884)		(3,929,884)
		37,704,054		37,798,550
Databases		2,410,038		2,410,038
Accumulated Amortization		(2,382,449)		(2,364,019)
		27,589		46,019
Land Use Agreements		404,310		404,310
Accumulated Amortization		(285,035)		(274,928)
		119,275		129,382
	$	37,850,918	$	37,973,951

⁽¹⁾ Formerly Coronel Oviedo Project.

Schedule Of Mineral Property Expenditures Incurred by Major Projects [Table Text Block]

Mineral property expenditures incurred by major projects were as follows:

	Three Months Ended October 31,
	2016		2015
Mineral Property Expenditures
Palangana Mine	$	201,372	$	385,149
Goliad Project		30,030		20,809
Burke Hollow Project		39,641		721,544
Longhorn Project		147		3,592
Salvo Project		8,166		14,163
Anderson Project		15,234		112,133
Workman Creek Project		8,248		30,690
Slick Rock Project		12,346		48,825
Yuty Project		89,675		111,016
Oviedo Project		146,668		132,899
Other Mineral Property Expenditures		338,591		208,200
	$	890,118	$	1,789,020