- Mining company BHP reported a fall in iron ore, copper and coal production in the September-quarter as maintenance work at Olympic Dam held back volumes.

Ire-ore production fell 4% to 63.3 Mt year-on-year, while metallurgical coal, nickel and copper were down 9%, 9%, and 20% respectively.

Petroleum, and energy coal production was up 3% and 17% respectively.

Group copper equivalent production decreased by 5% in the September 2021 quarter following 'lower minerals volumes largely a result of planned maintenance,' the company said.

Looking ahead, the company maintained production and unit cost guidance for the 2022 financial year.

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