The Los Pinos deposit is an oxide copper deposit developed on a porphyry system. The deposit consists of three mineralized zones: oxide, mixed oxide/sulphide, and sulphide. The deposit has the potential for open pit mining and heap leaching followed by solvent extraction/electrowinning (SX/EW) to recover the copper. Metallurgical testing has shown that the deposit is amenable to run-of-mine heap leaching (Pincock, Allen & Holt 1994). The deposit is geologically similar to Cerro Verde in Peru and similar in size to Carlota in Arizona.
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