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Cash and Cash Equivalents
 12 Months Ended
Dec. 31, 2017
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Cash and Cash Equivalents
21. CASH AND CASH EQUIVALENTS
     UNITED STATES DOLLAR  
     2017      2016  

Cash at bank and on hand

      479.0        526.7  
  

 

 

     

 

 

  

Total cash and cash equivalents

      479.0        526.7  
  

 

 

     

 

 

  

 

  1 Consumable stores with a fair value of US$7.8 million were reclassified to assets held for sale at 31 December 2016 and sold during 2017. Refer note 12.2 for further details.
  2 Refer note 6 for details on the net realisable value write-downs of inventories.
  3 Heap leach and stockpiles inventories will only be processed at the end of life-of-mine.
  4 The cost of consumable stores consumed during the year and included in cost of sales amounted to US$346.7 million (2016: US$346.3 million and 2015: US$380.7 million).
  5 Comprises US$5.1 million (2016: US$nil) relating to Australian oil derivative contracts, US$9.0 million (2016: US$nil) relating to Ghanaian oil derivative contracts and US$10.9 million (2016: US$nil) relating to gold derivative contracts at South Deep. Refer note 37 for further details.