The 10 biggest copper mines in the mining
#0183;#32;El Teniente, Chile. El Teniente copper mine, the world''s sixth biggest, is located 80km south of Santiago in the Andes mountain range in Chile. It is also the largest underground copper mine in the world. El Teniente was estimated to contain of fine copper (1,538Mt of ore grading % copper) at the beginning of 2013.