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Gold Fields is a significant unhedged producer of gold with attributable annualised production of approximately 2.0 million gold equivalent ounces from six operating mines in Australia, Ghana, Peru and South Africa. Gold Fields also has an extensive and diverse global growth pipeline with four major projects at resource development or feasibility level. Gold Fields has total managed gold-equivalent Mineral Reserves of 64 million ounces and Mineral Resources of 155 million ounces. Gold Fields is listed on the JSE Limited (primary listing), the New York Stock Exchange (NYSE), NASDAQ Dubai Limited, Euronext in Brussels (NYX) and the Swiss Exchange (SWX). In February 2013, Gold Fields unbundled its KDC and Beatrix mines in South Africa into an independent and separately listed company, Sibanye Gold



Review of international Operations

Cerro Corona Gold Mine

PDF format Technical short form report (PDF - 2MB)

Mill SAG – Process plant at Cerro Corona   Cerro Corona, Peru
     
PRODUCTION: 161,000 ozs TOTAL CASH COSTS: US$437/oz

Mineral Resources at 7.7 Moz (gold and copper as Au-Eq).
Mineral Reserves at 6.1 Moz (gold and copper as Au-Eq).
A total of 161 koz of gold and 38.6 kt of copper were produced in C2011.
ISO14001-OHSAS 18001 Integrated Management System Certification was achieved during 2011.
High grade shoots – Fitzroy, Bengal and Hastings – discovered beneath Main Lode.
The current Life of Mine extends to 2028 (17 years).

During 2011, Gold Fields Corona (BVI) Limited, a wholly owned subsidiary of Gold Fields Limited, increased its economic interest in Gold Fields La Cima S.A.A., or La Cima, from 80.7% to 98.5%. La Cima holds the Cerro Corona mine, which is located approximately 600 kilometres northnorthwest of Lima and approximately 80 kilometres by road north of Cajamarca city.

The Cerro Corona mine is a large open-pit mine situated in the highest part of the Western Cordillera of the Andes Mountains in Northern Peru, approximately 1.5 kilometres west-northwest of the village of Hualgayoc in the Department of Cajamarca. Access to the Cerro Corona mine from Cajamarca is by means of two roads, one from Cajamarca to the Yanacocha mine (40 kilometres), and then from Yanacocha to the village of Hualgayoc (40 kilometres). The deposit is hosted by a subvertical, cylindrical-shaped diorite porphyry (600 – 700 metres in diameter), emplaced in mid-Cretaceous limestone, marls and siliciclastic rocks.

The mine is expected to produce approximately 2.0 million saleable ounces of gold and 423,000 saleable tonnes of copper in concentrate over a 17-year Life of Mine (LoM). At the declared commodity prices, the estimated copper and gold Mineral Reserves are equal to a total of 6.1 million gold equivalent ounces. The plant has a production capacity of 19,200 tonnes of ore per day, or about 6.6 million tonnes of ore per year.

      Units   Dec
2011
  Dec
20101
  June
2010
  June
2009
  June
2008
 
  Open pit mining                          
  Total mined   kt   12,591   6,164   13,614   9,938   6,701  
  Waste mined   kt   6,007   3,036   7,366   4,894   5,762  
  Sulphide tonnes mined   kt   6,584   3,128   6,248   5,044   939  
  Strip ratio   waste:ore   0.9   1.0   1.2   1.0   6.1  
  Gold: mined grade   g/t   1.1   1.2   1.1   1.2   1.2  
  Copper: mined grade   %   0.7   0.7   0.8   0.8   0.4  
  Processing                          
  Sulphide tonnes milled   kt   6,593   3,102   6,141   4,547    
  Au Head grade   g/t   1.22   1.29   1.14   1.24    
  Cu Head grade   %   0.74   0.79   0.85   0.78    
  Concentrate produced   tonnes   190,007   92,390   194,201   118,848    
  Gold produced   koz   161   80   139   105    
  Copper produced   kt   39   20   41   24    
  Total gold equivalent produced   eq koz   383   200   394   219    
  Total gold equivalent sold   eq koz   383   201   390   218    
  Financial                          
  Operating cost   US$ million   157   77   135   86      
    US$/oz   411   388   343   394      
  Total cash cost   US$/oz   437   395   348   369      
  Capital expenditure   US$ million   69   31   86   117      
  Notional capital expenditure (NCE)   US$/oz   592   545   561   926      
  General                          
  Employees (TEC)   number   1,106   997   1,128   875   543  
  Mineral Rese   Mt   110.0   86.2   89.2   89.3   94.1  
  Mineral Reserves Au Head Grade   g/t   0.9   1.0   1.0   1.0   1.0  
  Mineral Reserves Cu Head Grade   %   0.5   0.5   0.5   0.5   0.5  
  Mineral Reserves Au   Moz   3.1   2.7   2.7   2.8   3.0  
  Mineral Reserves Cu   Mlb   1,126   965   976   988   1,061  
  Mineral Reserves: Au Equivalent   Moz   6.1   5.3   5.3   5.5   5.9  
  Expected Life of Mine   years   17   14   15   15   16  
  1 Figures shown represent the six months to 31 December 2010. Rounding off of figures presented in this report may result in minor computational discrepancies. Where this occurs it is not deemed significant.