![The World's 20 Largest Copper Mines](/e69yszg/334.jpg)
The World's 20 Largest Copper Mines
The Escondida copper mine in Chile's Atacama desert is jointly owned by BHP Billiton ( percent), Rio Tinto Corp. (30 percent), and Japan Escondida ( percent). The massive Escondida mine accounts for 5 percent of total global copper mine production. Gold .