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Miners Rio Tinto and BHP Billiton bullish on outlook

17 April 2012 Last updated at 05:46 BST

Australia's mining industry has seen a recent dip in iron ore production due to cyclones, flooding and slower demand from China.

But mining firms Rio Tinto and BHP Billiton, which report output for the January to March quarter later this week, say that bad weather aside, the future is looking rosy.

The BBC's Duncan Kennedy reports from Sydney.