Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2016 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-P03
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S2: Water Rock Interaction
A new occurrence of titanian andradite from Nagaland ophiolite, India
*Biswajit GHOSHTomoaki MORISHITAAkihiro TAMURAYusuke SODA
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Abstract

Titanian andradites up to 15.14 wt.% TiO2in chromitite from Nagaland ophiolite, India have been investigated. They are euhedral, complexly zoned and occur typically either as veinlets or in granular aggregates within serpentine-rich veins traversing the chromitites. Major element analysis and elemental mapping across the grains demonstrates several titanium pulses during their growth. Trace element analysis indicates sharp positive europium anomaly and negative strontium anomaly.        

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© 2016 Japan Association of Mineralogical Sciences
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