Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2016 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-07
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S2: Water Rock Interaction
Wetting property influence on fluid expulsion in polycrystalline aggregates
*Wakana FujitaMichihiko Nakamura
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Abstract

In order to investigate the mechanism of fluid expulsion from polycrystalline aggregates, we carried out sintering experiments of quartzite with variable XCO2 (CO2/H2O+CO2). When XCO2=0, fluids were expelled through interconnected networks to the upper part of the experimental capsules within 192 h. When XCO2=0.39-0.79, fluids were retained among the quartzite grains by forming intergranular fluid pockets. These pockets were formed by rearrangement and coagulation of fluid filled pores.

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© 2016 Japan Association of Mineralogical Sciences
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