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Article Dans Une Revue Meteoritics and Planetary Science Année : 2024

Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro-to nano-scale

Rhonda M Stroud (1, 2) , Jens Barosch (3) , Lydie Bonal (4) , Katherine Burgess (2) , George D Cody (3) , Bradley T de Gregorio (2) , Luke Daly (5, 6, 7) , Emmanuel Dartois (8) , Jean Duprat (9) , Cecile Engrand (10) , Dennis Harries (11) , Minako Hashiguchi (12) , Hope Ishii , Yoko Kebukawa (13) , A. David Kilcoyne , Falko Langenhorst , Martin R Lee , Larry R Nittler , Eric Quirico (4) , Taiga Okumura , Laurent Remusat (9) , Scott Sandford , Hikaru Yabuta (14) , Masanao Abe (15, 16) , Neyda M Abreu , Paul a J Bagot (17) , Pierre Beck (4, 18) , Laure Bejach (10) , Phil A Bland , John C Bridges (19) , Brittany A Cymes , Alexandre Dazzi (20) , Francisco de la Peña (21) , Ariane Deniset-Besseau (20) , Satomi Enju , Yuma Enokido , David R Frank , Jennifer Gray , Mitsutaka Haruta , Satoshi Hata , Leon Hicks , Yohei Igami , Damien Jacob (21) , Kanami Kamide , Mutsumi Komatsu , Sylvain Laforet (21) , Hugues Leroux (21) , Corentin Le Guillou (21) , Zita Martins , Maya Marinova , James Martinez , Jérémie Mathurin (20) , Megumi Matsumoto , Toru Matsumoto , Junya Matsuno , Samuel Mcfadzean , Tatsuhiro Michikami , Itaru Mitsukawa , Akira Miyake , Masaaki Miyahara , Akiko Miyazaki , Gilles Montagnac (22) , Smail Mostefaoui (9) , Tomoki Nakamura , Aiko Nakato , Hiroshi Naraoka , Yusuke Nakauchi , Satoru Nakazawa , Masahiro Nishimura , Takaaki Noguchi , Kenta Ohtaki , Takuji Ohigashi , Tatsuaki Okada (16) , Shota Okumura (23) , Ryuji Okazaki , Thi H V Phan , Rolando Rebois , Kanako Sakamoto , Takanao Saiki , Hikaru Saito , Yusuke Seto , Miho Shigenaka , William Smith , Hiroki Suga , Mingqi Sun , Shogo Tachibana , Yoshio Takahashi , Yasuo Takeichi , Akihisa Takeuchi , Aki Takigawa , Yusuke Tamenori , Satoshi Tanaka , Fuyuto Terui , Michelle S Thompson , Naotaka Tomioka , Akira Tsuchiyama , Yuichi Tsuda , Kentaro Uesugi , Masayuki Uesugi , Tomohiro Usui , Maximilien Verdier-Paoletti (9) , Daisuke Wakabayashi , Sei‐ichiro Watanabe , Toru Yada , Shohei Yamashita , Masahiro Yasutake , Kasumi Yogata , Makoto Yoshikawa , Hisayoshi Yurimoto , Pierre‐m. Zanetta (24) , Thomas Zega (24) , Michael E Zolensky
Jens Barosch
Katherine Burgess
George D Cody
Bradley T de Gregorio
Minako Hashiguchi
Hope Ishii
Yoko Kebukawa
A. David Kilcoyne
  • Fonction : Auteur
Falko Langenhorst
Martin R Lee
Larry R Nittler
Taiga Okumura
Scott Sandford
Hikaru Yabuta
Neyda M Abreu
Paul a J Bagot
Phil A Bland
Brittany A Cymes
Alexandre Dazzi
Ariane Deniset-Besseau
Satomi Enju
Yuma Enokido
David R Frank
Jennifer Gray
Mitsutaka Haruta
Satoshi Hata
Leon Hicks
Yohei Igami
Damien Jacob
Kanami Kamide
  • Fonction : Auteur
Mutsumi Komatsu
Zita Martins
Maya Marinova
  • Fonction : Auteur
James Martinez
  • Fonction : Auteur
Jérémie Mathurin
Megumi Matsumoto
Toru Matsumoto
Junya Matsuno
Samuel Mcfadzean
  • Fonction : Auteur
Tatsuhiro Michikami
Itaru Mitsukawa
Akira Miyake
  • Fonction : Auteur
Masaaki Miyahara
Akiko Miyazaki
Tomoki Nakamura
  • Fonction : Auteur
Aiko Nakato
Hiroshi Naraoka
Yusuke Nakauchi
Satoru Nakazawa
Masahiro Nishimura
Takaaki Noguchi
Kenta Ohtaki
Takuji Ohigashi
  • Fonction : Auteur
Shota Okumura
Ryuji Okazaki
Thi H V Phan
Rolando Rebois
Kanako Sakamoto
Takanao Saiki
Hikaru Saito
  • Fonction : Auteur
Yusuke Seto
  • Fonction : Auteur
Miho Shigenaka
  • Fonction : Auteur
William Smith
  • Fonction : Auteur
Hiroki Suga
Mingqi Sun
Shogo Tachibana
Yoshio Takahashi
  • Fonction : Auteur
Yasuo Takeichi
Akihisa Takeuchi
Aki Takigawa
Yusuke Tamenori
Satoshi Tanaka
Fuyuto Terui
Michelle S Thompson
  • Fonction : Auteur
Naotaka Tomioka
Akira Tsuchiyama
Yuichi Tsuda
  • Fonction : Auteur
Kentaro Uesugi
Masayuki Uesugi
Tomohiro Usui
Daisuke Wakabayashi
Sei‐ichiro Watanabe
Toru Yada
Shohei Yamashita
Masahiro Yasutake
Kasumi Yogata
Makoto Yoshikawa
  • Fonction : Auteur
Hisayoshi Yurimoto
Thomas Zega
Michael E Zolensky

Résumé

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.
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Origine : Publication financée par une institution

Dates et versions

hal-04417663 , version 1 (25-01-2024)

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Paternité - Pas de modifications

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Citer

Rhonda M Stroud, Jens Barosch, Lydie Bonal, Katherine Burgess, George D Cody, et al.. Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro-to nano-scale. Meteoritics and Planetary Science, In press, ⟨10.1111/maps.14128⟩. ⟨hal-04417663⟩
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