Chile’s Antofagasta Region, 1,500 km north of Santiago
74% Antofagasta plc, 26% other Chilean investors
11.9 million tonnes @ 1.28% copper
66.7 million tonnes @ 1.57% copper
Figures as of December 2011
Michilla is a sulphide and oxide deposit located in Chile’s Antofagasta Region, 1,500 km north of Santiago. It produces copper cathodes using a heap-leach and solvent-extraction electro-winning process.
Michilla’s board approved an extension to its mine life from 2012 to 2015 and studies are continuing in respect of a further possible extension to 2018.
For 2012, the forecast for cathode production is approximately 40,000 tonnes.