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Inventories (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Schedule of Inventories
 
19.
  
INVENTORIES
  
   
  
   
 
  
Gold-in-process
and stockpiles
  
 
375.1
 
  
 
325.0
 
 
  
Consumable stores
  
 
183.7
 
  
 
176.5
 
 
  
Total inventories
  
 
558.8
 
  
 
501.5
 
 
  
Heap l each and stockpiles inventories included in
non-current
assets
1
  
 
(141.0
) 
  
 
(133.3
) 
 
  
Total current inventories
2
  
 
417.8
 
  
 
368.2
 
1
 
 
Heap leach and stockpiles inventories will only be processed at the end of
life-of-mine.
2
 
 
The cost of consumable stores consumed during the year and included in cost of sales amounted to US$270.4 million (2018: US$280.0 million).