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Inventories | 12 Months Ended
--- | ---
Dec. 31, 2018
Inventories [Abstract] |
Inventories | Inventories
|  | 2018 |  |  | 2017 |
|  | $ |  |  | $ |
Gold and silver bullion |  | 35,052 |  |  | 47,916 |
In-process inventory |  | 16,345 |  |  | 11,464 |
Ore stock-pile inventory |  | 58,546 |  |  | 55,498 |
Materials and supplies |  | 124,028 |  |  | 91,567 |
|  | 233,971 |  |  | 206,445 |
Ore stock-pile inventory includes amounts for the Fekola Mine of $37 million (2017 - $39 million), for the Otjikoto Mine of $18 million (2017 – $13 million), and for the Masbate Mine of $2 million (2017 - $4 million). At December 31, 2018, the Company recorded a net realizable value adjustment of $2 million (2017 - $2 million) with respect to the carrying value of certain gold bullion and in-process inventory balances related to El Limon and La Libertad mines.

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