Location:

Chile’s Antofagasta Region, 1,350 km north of Santiago

Shareholders:

70% Antofagasta plc, 30% Marubeni Corporation

Ore Reserves:

600.2 million tonnes @ 0.54% copper, 0.22 g/tonne gold and 0.010% molybdenum
Mineral Resources:

2,019.0 million tonnes @ 0.36% copper, 0.12 g/tonne gold and 0.009% molybdenum

Figures as of December 2011

 

Esperanza is a copper-gold sulphide deposit located in Chile’s Antofagasta Region approximately five kilometres south of the Group’s El Tesoro mine. It produces copper concentrate containing gold and silver by-product credits through a milling and flotation process.

The forecast for 2012 production is for approximately 160,000 tonnes of payable copper and approximately 240,000 ounces of gold.