Chuquicamata underground study underway

CHILEAN state copper company Codelco is working towards completing a pre-feasibility study on the underground development at the world’s biggest opencut copper mine, Chuquicamata, by December 2006.

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Codelco earlier announced plans to take Chuquicamata underground by 2013 at a capital cost of US$522 million, with a three year overlap with open pit mining.

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