Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2014 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : R5-02
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R5: Extraterrestrial materials
Dark clasts in the Allende CV3 chondrite: verification of hydrothermal processes in the meteorite parent body
*Midori SakaiKazushige TomeokaYusuke SetoAkira Miyake
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Abstract
Dark clasts (DCs) are common constituents in CV and CO chondrites. They are considered to be either primary aggregates of condensates from the solar nebula or a part of asteroidal body that have undergone aqueous alteration and subsequent dehydration. And the origin of dark inclusions remains contentious. In order to solve this problem, we investigated two DCs in Allende by a SEM-EDS, an EPMA-WDS, and a (S)TEM-EDS.
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© 2014 Japan Association of Mineralogical Sciences
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