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Collahuasi Copper Mine

Collahuasi lies in the far northeast of Chile, close to the border with Bolivia.



  • Collahuasi lies in the far northeast of Chile, close to the border with Bolivia
  • Collahuasi’s reserves are held in three main orebodies; Ujina and Rosario, and the smaller Huinquint
  • The open pit at Collahuasi
  • The ore storage shed protects run-of-mine ore from dust generation before processing
  • Sulphide ore is treated by flotation to produce concentrates for export
  • The oxide circuit flowsheet involves both leaching to recover the contained copper, and electrowinni
  • Handling copper cathodes in the electrowinning plant
  • High-purity copper cathodes awaiting shipment at the electro-winning plant

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