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MINERAL PROPERTY INTERESTS (Tables) | 12 Months Ended
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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 |

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