MINERAL PROPERTY INTERESTS (Tables)

12 Months Ended

Dec. 31, 2017

MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS

Schedule of impairment changes on mineral property

Name of Property/Complex	Segment	2017		2016		2015
Los Azules Project	Argentina		—		—		11,399
Gold Bar Project	Nevada		—		—		20,847
Tonkin Properties	Nevada		—		—		14,939
North Battle Mountain Properties	Nevada		—		—		1,443
Property, plant and equipment	Mexico		—		—		1,972
Total impairment		$	—	$	—	$	50,600

Summary of mineral property interests

Name of Property/Complex	State/Province	Country	2017		2016
Black Fox Complex	Ontario	Canada	$	11,364	$	—
Lexam	Ontario	Canada		41,595		—
Los Azules Copper Project	San Juan	Argentina		191,490		191,490
Tonkin Properties	Nevada	United States		4,833		4,833
Gold Bar Project	Nevada	United States		31,317		31,180
North Battle Mountain Properties	Nevada	United States		785		785
El Gallo 1 Mine	Sinaloa	Mexico		6,246		8,545
El Gallo 2 Properties	Sinaloa	Mexico		5,807		5,807
Total Mineral Property Interests			$	293,437	$	242,640