Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2014 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : R6-P08
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R6: Plutonic rocks, volcanic rocks and subduction factory
Characteristics of SEM-Cathodoluminescence and Ti content in quartz in a pyroclastic deposit associated with caldera formation.
*Seitaro TodaTsukasa OhbaTakeyuki Ogata
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Abstract
The Ohata Pumice Tuff, a sheet of andesitic and dacitic pyroclastic deposit that was deposited 2.6Ma-3.0Ma during the Yagen caldera(Middle-Shimokita Peninsula).In this work, we observed quartz of Ohata pumice tuff used Mini-CL. CL images of the quartz show oscillatory zonal structures.
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© 2014 Japan Association of Mineralogical Sciences
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