Collahuasi copper mine sees output rise this year, mine CEO says

The Collahuasi copper mine in Chile, which is among the world's biggest, expects 2017 output to beat last year's, and could ramp up production that was frozen in 2015 if the price of copper keeps rising, the mine's chief executive told Reuters Tuesday.The mine, a joint venture between Anglo Americanand Glencore , is also expecting to begin maintenance on a milling plant in April that should last around two months, said Jorge Gomez, on the sidelines of the CRU World Copper Conference in Santiago.