Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2018 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-10
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S2: Water Rock Interaction
Time scales of Cl-bearing fluid infiltration estimated by multiple trace elements profiles for granulite/amphibolite-hosted reaction zones, Sor Rondane Mountains, East Antarctica.
*Mindaleva DianaMasaoki UnoFumiko HigashinoAtsushi OkamotoNoriyoshi Tsuchiya
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Abstract

Time-scales of fluid infiltration events in the crust and mantle remain largely unknown, suggesting a wide range of uncertainties. This study aims to clarify Cl-bearing fluids infiltration at crustal conditions by multiple trace elements profiles in apatite from fluid-rock reaction zones in the mafic granulite and amphibolite samples from Mefjell, Sor Rondane Mountains (SRM), East Antarctica, collected in JARE-51. Mafic granulite and amphibolite are partially hydrated along veins at 750-620 MPa and 650-500 °C, and associated with mm-sized hydration reactions zones.

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© 2018 Japan Association of Mineralogical Sciences
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