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タイトル: Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro- to nano-scale
著者: Stroud, M., Rhonda
Barosch, Jens
Bonal, Lydie
Burgess, Katherine
Cody, D., George
Gregorio, De, T., Bradley
Daly, Luke
Dartois, Emmanuel
Dobrică, Elena
Duprat, Jean
Engrand, Cecile
Harries, Dennis
Hashiguchi, Minako
Ishii, Hope
Kebukawa, Yoko
Kilcoyne, David, A.
Langenhorst, Falko
Lee, R., Martin
Nittler, R., Larry
Quirico, Eric
Okumura, Taiga
Remusat, Laurent
Sandford, Scott
Yabuta, Hikaru
Abe, Masanao
Abreu, M., Neyda
Bagot, J., A., Paul
Beck, Pierre
Bejach, Laure
Bland, A., Phil
Bridges, C., John
Cymes, A., Brittany
Dazzi, Alexandre
Peña, la, de, Francisco
Deniset-Besseau, Ariane
Enju, Satomi
Enokido, Yuma
Frank, R., David
Gray, Jennifer
Haruta, Mitsutaka  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-2237-7242 (unconfirmed)
Hata, Satoshi
Hicks, Leon
Igami, Yohei  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-4512-7104 (unconfirmed)
Jacob, Damien
Kamide, Kanami
Komatsu, Mutsumi
Laforet, Sylvain
Leroux, Hugues
Guillou, Le, Corentin
Martins, Zita
Marinova, Maya
Martinez, James
Mathurin, Jérémie
Matsumoto, Megumi
Matsumoto, Toru
Matsuno, Junya
McFadzean, Samuel
Michikami, Tatsuhiro
Mitsukawa, Itaru
Miyake, Akira  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-6197-4656 (unconfirmed)
Miyahara, Masaaki
Miyazaki, Akiko
Montagnac, Gilles
Mostefaoui, Smail
Nakamura, Tomoki
Nakato, Aiko
Naraoka, Hiroshi
Nakauchi, Yusuke
Nakazawa, Satoru
Nishimura, Masahiro
Noguchi, Takaaki
Ohtaki, Kenta
Ohigashi, Takuji
Okada, Tatsuaki
Okumura, Shota
Okazaki, Ryuji
Phan, V., H., Thi
Rebois, Rolando
Sakamoto, Kanako
Saiki, Takanao
Saito, Hikaru
Seto, Yusuke
Shigenaka, Miho
Smith, William
Suga, Hiroki
Sun, Mingqi
Tachibana, Shogo
Takahashi, Yoshio
Takeichi, Yasuo
Takeuchi, Akihisa
Takigawa, Aki
Tamenori, Yusuke
Tanaka, Satoshi
Terui, Fuyuto
Thompson, S., Michelle
Tomioka, Naotaka
Tsuchiyama, Akira
Tsuda, Yuichi
Uesugi, Kentaro
Uesugi, Masayuki
Usui, Tomohiro
Verdier-Paoletti, Maximilien
Wakabayashi, Daisuke
Watanabe, Sei-ichiro
Yada, Toru
Yamashita, Shohei
Yasutake, Masahiro
Yogata, Kasumi
Yoshikawa, Makoto
Yurimoto, Hisayoshi
Zanetta, Pierre-M.
Zega, Thomas
Zolensky, E., Michael
著者名の別形: 治田, 充貴
伊神, 洋平
松本, 徹
三宅, 亮
発行日: Aug-2024
出版者: Wiley
誌名: Meteoritics & Planetary Science
巻: 59
号: 8
開始ページ: 2023
終了ページ: 2043
抄録: Transmission electron microscopy analyses of Hayabusa2 samples show that Ryugu organic matter exhibits a range of morphologies, elemental compositions, and carbon functional chemistries consistent with those of carbonaceous chondrites that have experienced low-temperature aqueous alteration. Both nanoglobules and diffuse organic matter are abundant. Non-globular organic particles are also present, and including some that contain nanodiamond clusters. Diffuse organic matter is finely distributed in and around phyllosilicates, forms coatings on other minerals, and is also preserved in vesicles in secondary minerals such as carbonate and pyrrhotite. The average elemental compositions determined by energy-dispersive spectroscopy of extracted, demineralized insoluble organic matter samples A0107 and C0106 are C₁₀₀N₃O9S1 and C₁₀₀N₃O₇S₁, respectively, with the difference in O/C slightly outside the difference in the standard error of the mean. The functional chemistry of the nanoglobules varies from mostly aromatic C=C to mixtures of aromatic C=C, ketone C=O, aliphatic (CHₙ), and carboxyl (COOH) groups. Diffuse organic matter associated with phyllosilicates has variable aromatic C, ketone and carboxyl groups, and some localized aliphatics, but is dominated by molecular carbonate (CO₃) absorption, comparable to prior observations of clay-bound organic matter in CI meteorites.
著作権等: © 2024 The Authors. Meteoritics & Planetary Science published by Wiley Periodicals LLC on behalf of The Meteoritical Society.
This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
URI: http://hdl.handle.net/2433/293371
DOI(出版社版): 10.1111/maps.14128
関連リンク: https://onlinelibrary.wiley.com/doi/pdf/10.1111/maps.14128
出現コレクション:学術雑誌掲載論文等

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