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Shrugging off China risks, Australia miners dig deep for more iron ore

Australian miners shoveled record tonnages of iron ore in the December quarter, supported by billions of dollars worth of expansion plans coming on stream and despite signs of weakening demand from top consumer China.

Iron ore continues to generate big returns even as prices fall, and miners in Australia - the world's biggest supplier - are counting on economies of scale to maintain profits for the steel making material.

Production data from Rio Tinto, BHP Billiton and Fortescue Metals Group will be released over the next two weeks, but port data already shows record tonnages were shipped in the last quarter even as Chinese demand lost steam.

(Read more: End of boom? Not for Australia's iron ore miners)

Chinese iron ore purchases fell 5.6 percent to 73.4 million tonnes in December, down from a record 77.8 million in November and ore prices have dipped to a six-month low.

And weaker steel prices have prompted some mills to reduce production, putting China's average daily crude steel output at 1.961 million tonnes in late December, the first time the pace fell below 2 million tonnes since last February.

Rio Tinto Iron Ore Parker Point loading facility reclaimer is seen as part of the mining activities of British-Australian mining and resources company Rio Tinto Iron Ore, at Dampier in Western Australia.
Aaron Bunch | Getty Images News | Getty Images
Rio Tinto Iron Ore Parker Point loading facility reclaimer is seen as part of the mining activities of British-Australian mining and resources company Rio Tinto Iron Ore, at Dampier in Western Australia.

But Australian iron ore mining seems immune from the spending crunch afflicting other commodities as a slowdown in Chinese growth cools a decade-long mining boom.

Rio Tinto kicks off the quarterly production reporting season on Thursday with output likely to hit nearly 70 million tonnes, keeping its full-year target of 265 million tonnes in sight.

That would secure Rio Tinto's ranking in global production behind leader Vale of Brazil, which is forecasting 2013 ore production of 306 million tonnes.

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By the second quarter of 2014, Rio Tinto is scheduled to be operating at a yearly run rate of 290 million tonnes before progressively rising to 360 million in 2017.

"So much of the revenue generated by the big mining companies comes from iron ore, it makes sense to build on economies of scale," said Keith Goode, an analyst at Eagle Mining Research.

Port Hedland

Data from Australia's Port Hedland, which handles about a fifth of the global seaborne iron ore market, indicate BHP Billiton and Fortescue also had a bumper three months.

Iron ore shipments from Port Hedland rose 4.2 percent to 86.5 million tonnes in the December quarter from 83 million in the previous quarter. Shipments in December hit a one-month record of 29.5 million tonnes.

UBS is forecasting a 1 percent lift in BHP's iron ore output for the quarter when it reports on Jan. 22, but said the speed by which its newest Jimblebar mine was building to 35 million tonnes a year would determine ultimate production for the quarter.

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Fortescue is on track to show a 10-15 percent quarter-on-quarter rise in shipments to China, when it reports on Jan 30 after commissioning new mine work in 2013.

"This is a pivotal year for Fortescue as we near the completion of our expansion," Chief Executive Nev Power said after announcing a $1.6 billion repayment of unsecured notes.

Fortescue is aiming to repay between $4 billion and $5 billion before setting up its next phase of growth in iron ore production beyond an annualised rate of 155 million tonnes.

Mining Costs

Rio Tinto, BHP and Fortescue each mine ore at costs well below selling prices - thanks to a combination of rich grades and high volumes - and see any dip in prices as weeding out less competitive rivals.

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That will become increasingly important if iron ore prices continue on their downward trend.

Iron ore prices fell 1.1 percent to $129.50 a tonne on Tuesday, the cheapest since July 16, according to data from compiler Steel Index.

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