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Inventory and Ore on Leach Pads
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
INVENTORY AND ORE ON LEACH PADS INVENTORY AND ORE ON LEACH PADS
    Inventory consists of the following:
In thousandsSeptember 30, 2020December 31, 2019
Inventory:
Concentrate$1,854 $6,557 
Precious metals13,237 14,040 
Supplies31,887 35,289 
46,978 55,886 
Ore on leach pads:
Current72,326 66,192 
Non-current87,420 71,539 
159,746 137,731 
Long-term stockpile$3,691 $— 
Total inventory and ore on leach pads$210,415 $193,617 
    Prior to the temporary suspension of mining activities at Silvertip, as a result of lower than expected production levels, grades and recovery rates as well as reduced process plant availability, Silvertip recognized inventory write-downs of $10.4 million, which are reflected in Costs applicable to sales for the nine months ended September 30, 2020. Subsequent to the suspension of mining activities, Silvertip has recognized additional supply inventory write-downs of $3.3 million, which are reflected in