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Leaching a possible solution for La Granja

Rio Tinto’s leaching technology could be the processing route for the La Granja copper project in Cajamarca, Peru, although the final decision will lie with new joint venture partner First Quantum Minerals, who may opt for a pyrometallurgical process.

Leaching a possible solution for La Granja Leaching a possible solution for La Granja Leaching a possible solution for La Granja Leaching a possible solution for La Granja Leaching a possible solution for La Granja

Rio Tinto's La Granja in Cajamarca, Peru

"It works well in the Andes [mountains] as it is drier, so there is less dilution on the leach pad, there is a reasonable temperature without drastic highs and lows, and it really likes chalcopyrite,"

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