The world's second-largest iron ore miner was commenting on a front-page report in The Australian newspaper which quoted Rio Tinto's iron ore boss, Sam Walsh, as saying a plan to boost iron ore output to 330 million tonnes a year by 2015 was now on hold.

"Mr Walsh said that we need to understand and need greater clarity on what is being proposed, but he hasn't shelved," spokesman Gervase Greene said when queried about the report.

"We haven't made any investment decision on our next stage of expansion of the Pilbra," he said, referring to the massive Pilbara iron ore province of northwest Australia.

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