Chile Copper Mining Industry At a Turning Point -BHP Executive
http://www.4-traders.com/ Chile Copper Mining Industry At a Turning Point -BHP Executive 11/16/2012| 10:07am US/Eastern SANTIAGO, Chile--The Chilean copper mining industry, which accounts for a third of the world's copper, is at a turning point as ore grades are retreating and bigger capital expenditures are needed to maintain production levels, a BHP Billiton Ltd. executive said Friday.