Presentation Information
[R1P-12]Alteration of boninite and the phillipsite formed in its amygdale[Presentation award entry]
*Yuki Inoue1, Kazuhiko Shimada1, Mana Yasui2, Atsushi Yamazaki2, Hiroshi Hagiya4, Jun-ichiro Ishibashi3, Tasuku Akagi1 (1. Kyushu Univ. Sci., 2. Waseda Univ., 3. Koube Univ., 4. Tokyo City Univ.)
Keywords:
phillipsite,zeolites,boniniate
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It is usually assumed that zeolites are formed by the decomposition of plagioclase.It has been reported that boninite does not contain plagioclase. Therefore, it is difficult to discuss the general formation process. In this study, we focus on the glassy part of boninite and discuss the formation process of zeolite from its chemical composition.
It is usually assumed that zeolites are formed by the decomposition of plagioclase.It has been reported that boninite does not contain plagioclase. Therefore, it is difficult to discuss the general formation process. In this study, we focus on the glassy part of boninite and discuss the formation process of zeolite from its chemical composition.