Supergene modification of magnetite and hematite shear zones in banded iron-formation at Mt Richardson, Yilgarn Craton, Western Australia

Paul Duuring,Steffen G. Hagemann,Carsten Laukamp, Laura Chiarelli

Ore Geology Reviews（2019）

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摘要

•Genetic processes are examined for supergene and hypogene iron ores at Mt Richardson.•Iron ores form by reactivation of hypogene-altered shear zones.•Oxidized supergene fluids removed primary and hypogene quartz from BIF.•Resulting in the formation of high-grade goethite–hematite ores.

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关键词

Banded iron-formation,Iron,Magnetite,Hematite,Goethite,Supergene,Hypogene

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