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Sydney - Global mining giant BHP Billiton [JSE:BIL] on Wednesday reported a strong quarterly increase in its iron ore and petroleum production, but said copper output slumped.
The miner, which in August posted a near doubling of its full-year net profit to $23.6bn, also achieved record production in the September quarter at its New South Wales Energy Coal and Illawarra Coal operations.
Iron ore production was up 11% on the preceding quarter with production at its Pilbara, Western Australia-based iron ore business totalling 39.572 million tonnes, up 24% on the same period last year.
BHP is investing billions of dollars in beefing up mining capacity of the steelmaking commodity in the Pilbara, betting heavily on continued demand from China and elsewhere.
Petroleum production was also a standout for the company, totalling 51.4 million barrels of oil equivalent, up 19% from the previous corresponding period, boosted by recent acquisitions in the United States.
However, copper was down 24% on the three months to June.
The company said this was due to lower ore grades and industrial action at the Escondida mine in Chile and planned smelter and refinery outages at Olympic Dam in Australia.
Nickel production also dropped, down 8%, but metallurgical or coking coal volumes were up 17% on the June quarter.
Last week the Australian government gave environmental approval for the mining behemoth to expand its Olympic Dam project to deliver more copper and uranium to meet global demand.
The company is yet to decide whether to go ahead with the development, but if it does BHP has said the project has the potential to increase copper production from about 180 000 to 750 000 tonnes per annum for decades to come.
