[R5-06] Mineralogical investigation of multiple lithologies in the Hayabusa2 returned sample C0002 grain using SEM, TEM, and X-ray nanoCT | 2022 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

2022 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

Sep 17 - Sep 19, 2022新潟大学五十嵐キャンパス

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2022 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

Sep 17 - Sep 19, 2022新潟大学五十嵐キャンパス

[R5-06]Mineralogical investigation of multiple lithologies in the Hayabusa2 returned sample C0002 grain using SEM, TEM, and X-ray nanoCT

*Megumi Matsumoto¹, Junya Matsuno², Akira Tsuchiyama^2,3, Tomoki Nakamura¹, Takashi Mikouchi⁴, Masahiro Yasutake⁵, Kentaro Uesugi⁵, Akihisa Takeuchi⁵, Satomi Enju⁶, Shota Okumura⁸, Itaru Mitsukawa⁸, Sun Mingqi³, Yuma Enokido¹, Akira Miyake⁸, Hisayoshi Yurimoto⁷(1. Tohoku Univ. , 2. Ritsumeikan Univ., 3. GIG, CAS, 4. Univ. Tokyo, 5. SPring-8, JASRI, 6. Ehime Univ. , 7. Hokkaido Univ., 8. Kyoto univ.)

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Keywords:

asteroid (162173) Ryugu,aqueous alteration,CI chondrite,X-ray CT,TEM

In this study, we performed SEM, TEM, and X-ray nanoCT analyses on various lithologies in the Hayabusa2 returned sample C0002 grain. We will present mineralogical characteristics of the Ryugu lithologies and discuss formation histories of them.

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