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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.