Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2016 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-P05
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S2: Water Rock Interaction
Change of redox state during the antigorite serpentinization at Higashi-akaishi peridotite body, SW Japan
*Yusuke SodaHironori YokoyamaTomoyuki MizukamiTomoaki Morishita
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Abstract

Antigorite serpentinization is an important process for the fluid migration at the wedge mantle. Oxidization coincides with progression of the antigorite serpentinization at Higashi-akaishi peridotite body, indicated by the petrological studies of antigorite, altered chromite and sulfide minerals. Relativity reduce condition recorded in the samples is a legacy of peridotite stage. It is not brought by the serpentinization, as the formation of lizardite and chrysotile at low temperature.

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© 2016 Japan Association of Mineralogical Sciences
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