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BHP's copper output up 24% in September quarter

service@ironoreteam.comThu Oct 18, 2012 06:53am GMT

Global resources giant BHP Billiton reported that copper output for the three months ended September 30 reached 273,900t, up 24% from the same period in the previous year, due to higher ore grades this quarter at its Escondida operation in Chile and the effects of a strike that impacted production in the year-ago quarter.

Output from Latin American operations grew by 32% to 235,700t, the company said in a statement.

The company's 57.5% share of output from Escondida amounted to 101,200t of copper in concentrate and 41,600t of cathode, representing increases of 103% and 26.4%, respectively. On a 100% basis, Escondida mined 103Mt of ore during the quarter, a 48.5% increase, with a 39.2% higher average head grade of 1.35% copper.

Escondida should see a 20% increase in copper output during fiscal 2013 after scheduled maintenance and tie-in activities were completed this quarter, according to the company.

Antamina in Peru contributed a record 40,200t of copper in concentrate in the 2012 quarter versus 30,300t in the year-ago quarter as milling rates continue exceeding nominal capacity, the company said. On a 100% basis, the mine registered throughput of 54.5Mt during the quarter, up from 44.2Mt, and an average copper head grade of 1.15% versus 1.11% year-on-year.

Antamina also contributed 14,514t zinc, up 62%, 919,000oz silver (-5.45%), 260t lead (155%) and 454t molybdenum (-23.7%). BHP Billiton holds a 33.8% stake in the mine.

The Spence and Cerro Colorado mines in Chile together produced 17,800t of copper cathode in fiscal Q1, a year-on-year decrease from 22,500t. The company also produces copper at the Olympic Dam mine in Australia and Pinto Valley in the US.


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