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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2017
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Schedule of Inventories |
|  | UNITED STATES DOLLAR |
|  | 2017 |  |  | 2016 |
Gold-in-process and stockpiles |  |  | 305.4 |  |  |  | 234.3 |
Consumable stores1 |  |  | 220.9 |  |  |  | 227.9 |
Total inventories2 |  |  | 526.3 |  |  |  | 462.2 |
Heap leach and stockpiles inventories included in non-current assets3 |  |  | (132.8 | ) |  |  | (132.8 | )
Total current inventories4 |  |  | 393.5 |  |  |  | 329.4 |

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