Biologically induced iron ore at Gunma iron mine, Japan

The mineralogy of sedimentary iron ores from the Gunma iron mine are described to evaluate the role of microorganisms and plants in ore formation. The iron ore is composed of nanocrystalline goethite, well-crystallized jarosite and very small amounts of strengite. The ore characteristically occurs a...

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Veröffentlicht in:	The American mineralogist 1999-02, Vol.84 (1-2), p.171-182
Hauptverfasser:	Akai, Junji, Akai, Kurumi, Ito, Makoto, Nakano, Satoshi, Maki, Yonosuke, Sasagawa, Ichiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Asia bacteria Biology biomineralization Economic geology Far East Fossils goethite Gumma Japan Gunma Mine Honshu Iron ores Japan jarosite Kusatsu-Shirane metal ores Microorganisms mineral deposits, genesis Mineralogy Minerals oxides phosphates strengite sulfates volcanoes
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