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Inventories
 12 Months Ended
Dec. 31, 2017
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Inventories
8. Inventories

 

    

      December 31, 2017

$

     

    December 31, 2016

$

  

Ore stockpiles

      3,297        2,715  

In-process inventory and finished goods

      96,651        50,195  

Materials and supplies

      68,896        67,920   
     168,844        120,830  

The cost of materials and supplies consumed during the year and included in production costs amounted to $120,422 (2016 – $103,073).

Inventory write downs related to zinc inventory amounting to $444 (2016 – $nil) were recognized during the year.