Codelco copper output rises 4 percent in first half
August 29, 2014 at 10:34 AM EDT
SANTIAGO, Aug 29 (Reuters) - World number one copper producer Codelco produced 788,000 tonnes of copper in the first half of 2014, a 4 percent rise from 2013 as ore grades and volumes improved at century-old Chuquicamata, while new mine Ministro Hales also contributed.