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Inventories
 12 Months Ended
Dec. 31, 2022
Inventory [Abstract]  
Inventories INVENTORIES
December 31,
2022		December 31,
2021
Heap leach ore $310,663 $258,197 
Stockpiled ore27,701 11,118 
Work-in-process20,315 17,400 
Finished goods5,432 3,395 
Supplies49,135 35,777 
Total inventories$413,246 $325,887 
Classified and presented as:
Current $265,105 $201,622 
Non-current(1)
148,141 124,265 
$413,246 $325,887 
(1)    Non-current inventories at December 31, 2022 and 2021 relate to heap leach ore at Mesquite and Castle Mountain.
During the year ended December 31, 2022, the Company recognized an increase in the provision for obsolete and slow-moving supplies inventories of $1.5 million (2021 – increase of $2.1 million) in operating expense. At December 31, 2022, the Company’s total provision for obsolete and slow-moving supplies inventories was $15.6 million (2021 – $14.1 million).
During the year ended December 31, 2022, the Company recognized within cost of sales $52.9 million (2021 – $18.1 million) in write-downs of inventories to NRV, mainly relating to heap leach ore at Los Filos.