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MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT (Tables) | 12 Months Ended
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Dec. 31, 2019
MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT |
Schedule of property and equipment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2019 |  | December 31, 2018
Mineral property interests, cost | ​ | $ | 339,374 | ​ | $ | 326,086
Less: accumulated depletion | ​ | ​ | (28,154) | ​ | ​ | (16,941)
Mineral property interests, carrying value | ​ | $ | 311,220 | ​ | $ | 309,145
​ | ​ | ​ | ​ | ​ | ​ | ​
Plant and equipment, cost | ​ | ​ | ​ | ​ | ​ | ​
Land | ​ | $ | 8,746 | ​ | $ | 8,699
Construction in progress | ​ | ​ | 2,961 | ​ | ​ | 74,643
Plant and equipment | ​ | ​ | 133,014 | ​ | ​ | 49,578
Subtotal | ​ | $ | 144,721 | ​ | $ | 132,920
Less: accumulated depreciation | ​ |  | (37,150) | ​ | ​ | (18,186)
Plant and equipment, carrying value | ​ | $ | 107,571 | ​ | $ | 114,734
​ | ​ | ​ | ​ | ​ | ​ | ​
Mineral property interests and plant and equipment, carrying value | ​ | $ | 418,791 | ​ | $ | 423,879
Summary of mineral property interests | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Name of Property/Complex |  | State/Province | ​ | Country | ​ | 2019 | ​ | 2018 |
Black Fox Complex | ​ | Ontario | ​ | Canada | ​ | $ | 14,627 | ​ | $ | 16,365 | ​
Lexam | ​ | Ontario | ​ | Canada | ​ | ​ | 41,595 | ​ | ​ | 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 | ​ |  | 48,492 | ​ |  | 44,131 | ​
Battle Mountain Complex |  | Nevada |  | United States | ​ |  | 785 | ​ |  | 785 | ​
El Gallo Project |  | Sinaloa |  | Mexico | ​ |  | 3,591 | ​ |  | 4,139 | ​
Fenix Project Properties |  | Sinaloa |  | Mexico | ​ |  | 5,807 | ​ |  | 5,807 | ​
Total mineral property interests | ​ | ​ | ​ | ​ | ​ | $ | 311,220 | ​ | $ | 309,145 | ​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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