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MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2015
MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS |
Schedule of impairment charges on mineral property |
Name of Property/Complex |  | Segment |  |  | 2015 |  | 2014 |  | 2013 |
Los Azules Project |  | Argentina |  |  | $ | 11,399 |  | $ | 228,301 |  | $ | — |
Other San Juan Properties |  | Argentina |  |  |  | — |  |  | 7,817 |  |  | — |
Telken Tenements(1) |  | Argentina |  |  |  | — |  |  | — |  |  | 13,792 |
Este Tenements(1) |  | Argentina |  |  |  | — |  |  | — |  |  | 2,784 |
Piramides Tenements(1) |  | Argentina |  |  |  | — |  |  | — |  |  | 5,079 |
Tobias Tenements(1) |  | Argentina |  |  |  | — |  |  | — |  |  | 6,074 |
Cerro Mojon Tenements |  | Argentina |  |  |  | — |  |  | 1,971 |  |  | — |
La Merced Tenements |  | Argentina |  |  |  | — |  |  | 1,891 |  |  | — |
Cabeza de Vaca Tenements |  | Argentina |  |  |  | — |  |  | 877 |  |  | — |
El Trumai Tenements |  | Argentina |  |  |  | — |  |  | 1,534 |  |  | — |
Martes 13 Tenements |  | Argentina |  |  |  | — |  |  | 3,568 |  |  | — |
Celestina Tenements |  | Argentina |  |  |  | — |  |  | 1,753 |  |  | — |
Other Santa Cruz Exploration Properties |  | Argentina |  |  |  | — |  |  | 7,601 |  |  | — |
Gold Bar Complex |  | Nevada |  |  |  | 20,847 |  |  | 25,435 |  |  | — |
Tonkin Complex |  | Nevada |  |  |  | 14,939 |  |  | 31,391 |  |  | — |
Limo Complex |  | Nevada |  |  |  | — |  |  | 23,438 |  |  | 19,450 |
North Battle Mountain Complex |  | Nevada |  |  |  | 1,443 |  |  | 1,921 |  |  | — |
East Battle Mountain Complex |  | Nevada |  |  |  | — |  |  | 4,060 |  |  | — |
West Battle Mountain Complex |  | Nevada |  |  |  | — |  |  | 2,567 |  |  | 6,287 |
Other United States Properties |  | Nevada |  |  |  | — |  |  | 9,611 |  |  | 9,497 |
Property, plant and equipment |  | Mexico |  |  |  | 1,972 |  |  | — |  |  | — |
Total impairment |  |  |  |  | $ | 50,600 |  | $ | 353,736 |  | $ | 62,963 |
In the fourth quarter of 2013, these tenements were transferred to MSC as part of the vend-in agreement described in Note 6, Investment in Minera Santa Cruz S.A. (“MSC”) – San José Mine, and were therefore not included in the Company’s mineral property interests as at December 31, 2015 and 2014.
Schedule of reconciliation of asset retirement obligations |
|  | Year ended December 31, 2015 |  | Year ended December 31, 2014 |
Asset retirement obligation liability, beginning balance |  | $ | 7,471 |  | $ | 7,247 |
Settlements |  |  | — |  |  | (52) |
Accretion of liability |  |  | 429 |  |  | 407 |
Adjustment reflecting updated estimates |  |  | (116) |  |  | (131) |
Asset retirement obligation liability, ending balance |  | $ | 7,784 |  | $ | 7,471 |
Summary of mineral property interests |
Name of Property/Complex |  | State/Province |  | Country |  | 2015 |  | 2014 |
Los Azules Copper Project |  | San Juan |  | Argentina |  | $ | 191,490 |  | $ | 202,889 |
Tonkin Complex |  | Nevada |  | United States |  |  | 4,833 |  |  | 20,423 |
Gold Bar Complex |  | Nevada |  | United States |  |  | 30,730 |  |  | 51,577 |
North Battle Mountain Complex |  | Nevada |  | United States |  |  | 785 |  |  | 2,227 |
El Gallo 1 Mine |  | Sinaloa |  | Mexico |  |  | 5,925 |  |  | 7,214 |
El Gallo 2 Properties |  | Sinaloa |  | Mexico |  |  | 3,482 |  |  | 3,482 |
Total Mineral Property Interests |  |  |  |  |  | $ | 237,245 |  | $ | 287,812 |

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