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INVENTORIES
12 Months Ended
Dec. 31, 2018
Disclosure of inventories [Abstract]  
Disclosure of inventories [text block]
8. INVENTORIES
 
As at
December 31
As at
December 31
 (in millions of U.S. dollars)
2018
2017
INVENTORIES
  
Heap leach ore
(2) (3)
 - 
 163.1
Stockpile ore
 74.3
 23.8
Work-in-process
 7.7
 18.5
Finished goods
(1)
 25.4
 16.1
Supplies
 49.3
 50.4
 
 156.7
 271.9
Less: non-current inventories
(2)
 (14.9)
 (78.7)
Total current inventories
 141.8
 193.2
1.The amount of inventories recognized in operating expenses for the year ended December 31, 2018 was $311.6 million (2017 $186.2 million).
2.Non-current inventories consist of low-grade stockpiled inventories at Rainy River, of which $14.9 million are expected to be recovered after one year. As at December 31, 2017, non-current inventories of $78.7 million consisted of low-grade stockpiled inventories at Rainy River and non-current heap leach inventories at Mesquite and Cerro San Pedro.
3.For the year ended December 31, 2018, the Company wrote down $16.9 million of heap leach inventory at Cerro San Pedro, of which $15.8 million was included in operating expenses and $1.1 million was included in depreciation and depletion, as a result of a recoverability analysis performed earlier in the year as the Company has discontinued the addition of cyanide to the heap leach pad, and as a result of Cerro San Pedro transitioning to the reclamation phase of its mine life cycle on December 31, 2018.