According to foreign news released on May 3, Codelco said that Chile's copper output fell 4.7% to 436,000 mt in March. Copper production from Codelco dropped 16.5% on the year to 119,400 mt, that at BHP Billiton-controlled Escondida mine rose 13.5% to 92,400 mt, and that from Collahuasi copper mine, a joint venture of Anglo American and Glencore, lost 16.2% year-on-year to 42,900 mt.



