Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2015 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-13
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S2: Water Rock Interaction (Joint session with SRG)
Conditions of formation of carbonate veins in the northern flank of Izumi Mountains, southern Osaka, SW Japan; inference from the stable isotopes
*Yasuko Okuyama
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Abstract

The conditions of formation of dawsonite-bearing carbonate veins in the northern flank of the Izumi Mountains (southern Osaka prefecture) are investigated on the basis of oxygen acd carbon isotopic compositions of carbonates. The calculated isotopic ratios of calcite largely support the precipitation from CO2-bearing fluid having isotopic characteristics similar to the end-member Arima-type hot brine (Kazahaya et al., 2009). 

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© 2015 Japan Association of Mineralogical Sciences
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