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INVENTORIES:
9 Months Ended
Sep. 30, 2021
INVENTORIES:  
INVENTORIES:

NOTE 3 — INVENTORIES:

Inventories were as follows:

At September 30, 

At December 31, 

(in millions)

    

2021

    

2020

Inventory, current:

Metals at average cost:

Finished goods

$

61.3

$

50.8

Work-in-process

 

278.1

 

248.9

Ore stockpiles on leach pads  

231.0

298.5

Supplies at average cost

 

342.1

 

352.0

Total current inventory

$

912.5

$

950.2

Inventory, long-term:

Ore stockpiles on leach pads

$

1,171.1

$

1,125.0

During the nine months ended September 30, 2021 and 2020, total leaching costs capitalized as non-current inventory of ore stockpiles on leach pads amounted to $184.2 million and $144.0 million, respectively. Leaching inventories recognized in cost of sales amounted to $205.7 million and $287.3 million for the nine months ended September 30, 2021 and 2020, respectively.