` Americas Region | Operations | Gold Fields
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Americas Region

The significant life extension to 2030 at Cerro Corona last year has been re‑enforced by further studies in 2018 that will result in completion of a feasibility study (FS) in H1 2019.

The Salares Norte project has finalised an FS study underpinning the maiden Mineral Reserve.

Americas Region
Mineral Resources       Mineral Reserves
6.2Moz gold, 43.7Moz
silver and 848Mlb copper
      5.2Moz gold, 39.3Moz
silver and 695Mlb copper
Cerro Corona – Peru
(99.53% attributable to Gold Fields)
      Salares Norte – Chile
(100% attributable to Gold Fields)
Key features
Cerro Corona
Salares Norte
Mining method   Open pit   Open pit
Infrastructure   One open pit. One standard sulphide flotation plant with a capacity of 6.9Mtpa   Open pit with combined counter-current decantation, Merrill-Crowe and Carbon in Pulp (CIP) processing at 2Mtpa. Dry-stack tailings disposal
Mineralisation style   Porphyry (Cu-Au)   High-sulphidation epithermal (Au-Ag)
Mineralisation characteristics  
  • Mineralisation hosted by a sub-vertical cylindrical shaped diorite porphyry
  • Copper-gold mineralisation conforms to classic porphyry vein definition
  • Mineralisation zones discontinuous with mid-range predictability
  • Gold mineralisation is hosted by intensely silica and alunite altered and oxidised rocks. Most mineralisation occurs in breccia rocks formed by explosive volcanism
  • Gold is the primary economic metal with silver having secondary importance

For more information on the operations/projects, view the online 2018 Mineral Reserves and Resources Report