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Chile’s largest open pit copper mine goes underground

Cecilia Jamasmie | July 12, 2012 | 10:17 am Base Metals Top Companies Europe Latin America Copper Molybdenum 

Chile’s largest open pit copper mine, Chuquicamata, has officially started its conversion towards underground mining. The project will cost Codelco over $2 billion in the preliminary phase, but that will allow the world’s number one copper producer to substantially increase...

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