Talk:Banded iron formation

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Concerning the included image "IronInRockMake RiverRed.jpg": What is its relation to banded iron formations? So far as I know, the iron ores of Rio Tinto are sulfidic and the river ist coloured by oxidic iron compounds formed by bacterial oxidation of the iron sulfides. --Brudersohn (talk) 20:43, 2 August 2008 (UTC)[reply]

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