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Lomas Bayas Copper Mine, Chile

Producer of



Atacama Desert, northern Chile


Xstrata plc (100%)

Geology type

Porphyry copper

Mineral type

Copper oxides and sulphides

Reserve base

239.2Mt grading 0.36% copper, proven and probable (2005)

Annual production

63,147t cathode copper (2005)

Mining method

Open pit

Processing method

Heap leaching, solvent extraction and electrowinning to produce cathode copper




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