Chile Copper Mining Industry At a Turning Point -BHP Executive

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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.