BHP Billiton iron ore output hit a record 60mt in the second quarter, up 9% from the same period a year ago, figures released Wednesday show.

However, for the year-to-date the increase was a more modest 4% increase to just under 118mt, for the Australian mining giant.

The figures were boosted by the continued ramp-up of capacity at Jimblebar, combined with improved track reliability and lower maintenance at Yandi.

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