Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2016 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S1-05
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S1: Igneous processes and fluids
Volatile contents of volcanic glasses from the Troodos Ophiolite
*Americus PerezSusumu UminoAtsushi YasudaOsamu IshizukaRex Taylor
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Abstract

We report major element chemistry and dissolved water contents of glassy pillow lava margins from the Troodos Ophiolite. The sampled glasses are basaltic andesites, boninitic basaltic andesites and evolved andesite and dacites. H2 O content of basaltic andesites ranges from 1.5 to 2.5 wt%. Temperature estimates for the primitive boninitic samples are within 1130 to 1190C. Saturation pressures calculated using VolatileCalc at variable CO2 contents are within 300 to 550 bars.

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© 2016 Japan Association of Mineralogical Sciences
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