TheWorld''s 20 Largest Copper Mines ThoughtCo
Nov 25, 2019· Theworld''s 20 largest copper minesproduce nearly 9 million metric tons of the precious metal a year, about 40% of the world''s total copper mine capacity. Chile and Peru, alone, account for more than half of the copper mines on this list. The makes the cut, as well, with two mines among the top 20. Copper is expensive to mine and refine.