wa iron ore royalty hike

I was just reading this article from The Australian...

Barnett's iron ore royalty hike a threat to foreign investment

"While the WA government's decision yesterday isn't expected to have a major impact on the Pilbara's two biggest iron ore producers, BHP Billiton and Rio Tinto, JPMorgan analysts said today the change "materially" affects pure-play WA iron ore producers."

"In a blow to the federal government, WA yesterday outlined plans to lift the royalty on iron ore fines from 5.625 per cent to 6.5 per cent from July 1, 2012, and to 7.5 per cent a year later, to align it with other forms of iron ore, including lump."

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"Other miners to be affected include Mount Gibson Iron and Atlas Iron, while Gindalbie Metals and Murchison Metals would be largely unscathed as they would sell a concentrate product, which attracts a 5 per cent royalty, said analysts."