Los Chancas mine

The Los Chancas mine is a large copper mine located in the Apurímac Region of southern Peru. Los Chancas represents one of the largest copper reserves in Peru and in the world, having an estimated 726 million tonnes of ore grading 0.47% copper, 0.04% molybdenum and 0.9 million oz of gold.
See also.
List of mines in Peru
Zinc mining