Microscale hydrogen, carbon, and nitrogen isotopic diversity of organic matter in asteroid Ryugu - Inria - Institut national de recherche en sciences et technologies du numérique
Article Dans Une Revue Earth and Planetary Science Letters Année : 2024

Microscale hydrogen, carbon, and nitrogen isotopic diversity of organic matter in asteroid Ryugu

Larry Nittler (1, 2) , Jens Barosch (2, 3) , Katherine Burgess , Rhonda Stroud (1) , Jianhua Wang (2) , Hikaru Yabuta (4) , Yuma Enokido (5) , Megumi Matsumoto (5) , Tomoki Nakamura (5) , Yoko Kebukawa (6, 7) , Shohei Yamashita , Yoshio Takahashi , Laure Bejach (8) , Lydie Bonal (9) , George Cody (2) , Emmanuel Dartois (10) , Alexandre Dazzi (11) , Bradley de Gregorio , Ariane Deniset-Besseau (11) , Jean Duprat (12) , Cécile Engrand (8) , Minako Hashiguchi (13) , A.L. David Kilcoyne (14) , Mutsumi Komatsu (15) , Zita Martins (16) , Jérémie Mathurin (8) , Gilles Montagnac (17) , Smail Mostefaoui (12) , Taiga Okumura (18) , Eric Quirico (9) , Laurent Remusat (12) , Scott Sandford (19) , Miho Shigenaka (4) , Hiroki Suga (20) , Yasuo Takeichi (21) , Yusuke Tamenori (20) , Maximilien Verdier-Paoletti (22) , Daisuke Wakabayashi (21) , Masanao Abe (23) , Kanami Kamide (4) , Akiko Miyazaki (23) , Aiko Nakato (23) , Satoru Nakazawa (23) , Masahiro Nishimura (23) , Tatsuaki Okada (23) , Takanao Saiki (23) , Satoshi Tanaka (23) , Fuyuto Terui (24) , Tomohiro Usui (23) , Toru Yada (23) , Kasumi Yogata (23) , Makoto Yoshikawa (23) , Hisayoshi Yurimoto (25) , Takaaki Noguchi (26) , Ryuji Okazaki (13) , Hiroshi Naraoka (13) , Kanako Sakamoto (23) , Shogo Tachibana (18) , Sei-Ichiro Watanabe (27) , Yuichi Tsuda (23)
1 SESE - School of Earth and Space Exploration [Tempe]
2 Carnegie Earth and Planets Laboratory
3 School of Geosciences [Edinburgh]
4 Department of Earth and Planetary Systems Science [Hiroshima]
5 Department of Earth and Planetary Materials Science [Sendai]
6 Department of Earth and Planetary Sciences [TITECH Tokyo]
7 Yokohama National University
8 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
9 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
10 ISMO - Institut des Sciences Moléculaires d'Orsay
11 ICP - Institut de Chimie Physique
12 IMPMC - Institut de minéralogie, de physique des matériaux et de cosmochimie
13 Department of Earth and Planetary Sciences [Fukuoka]
14 LBNL - Lawrence Berkeley National Laboratory [Berkeley]
15 Department of Earth Sciences [Tokyo]
16 CQE - Centro de Quimica Estrutural
17 LGL-TPE - Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement
18 Department of Earth Science and Astrononomy [Tokyo]
19 ARC - NASA Ames Research Center
20 JASRI - Japan Synchrotron Radiation Research Institute [Hyogo]
21 Photon Factory
22 IMPMC_COSMO - Cosmochimie [IMPMC]
23 ISAS - Institute of Space and Astronautical Science
24 Kanagawa Institute of Technology
25 Hokkaido University [Sapporo, Japan]
26 Kyoto University
27 Nagoya University
Larry Nittler
Connectez-vous pour contacter l'auteur
School of Earth and Space Exploration [Tempe]
Carnegie Earth and Planets Laboratory
Jens Barosch
Carnegie Earth and Planets Laboratory
School of Geosciences [Edinburgh]
Katherine Burgess
  • Fonction : Auteur
Rhonda Stroud
  • Fonction : Auteur
School of Earth and Space Exploration [Tempe]
Jianhua Wang
Carnegie Earth and Planets Laboratory
Hikaru Yabuta
  • Fonction : Auteur
Department of Earth and Planetary Systems Science [Hiroshima]
Yuma Enokido
Department of Earth and Planetary Materials Science [Sendai]
Megumi Matsumoto
  • Fonction : Auteur
Department of Earth and Planetary Materials Science [Sendai]
Tomoki Nakamura
  • Fonction : Auteur
Department of Earth and Planetary Materials Science [Sendai]
Yoko Kebukawa
Department of Earth and Planetary Sciences [TITECH Tokyo]
Yokohama National University
Shohei Yamashita
  • Fonction : Auteur
Yoshio Takahashi
  • Fonction : Auteur
Laure Bejach
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
Lydie Bonal
  • Fonction : Auteur
Institut de Planétologie et d'Astrophysique de Grenoble
George Cody
  • Fonction : Auteur
Carnegie Earth and Planets Laboratory
Emmanuel Dartois
Institut des Sciences Moléculaires d'Orsay
Alexandre Dazzi
Institut de Chimie Physique
Bradley de Gregorio
Ariane Deniset-Besseau
Institut de Chimie Physique
Jean Duprat
Institut de minéralogie, de physique des matériaux et de cosmochimie
Cécile Engrand
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
CV
Minako Hashiguchi
  • Fonction : Auteur
Department of Earth and Planetary Sciences [Fukuoka]
A.L. David Kilcoyne
  • Fonction : Auteur
Lawrence Berkeley National Laboratory [Berkeley]
Mutsumi Komatsu
Department of Earth Sciences [Tokyo]
Zita Martins
  • Fonction : Auteur
Centro de Quimica Estrutural
Jérémie Mathurin
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
Gilles Montagnac
Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement
Smail Mostefaoui
Institut de minéralogie, de physique des matériaux et de cosmochimie
Taiga Okumura
Department of Earth Science and Astrononomy [Tokyo]
Eric Quirico
Institut de Planétologie et d'Astrophysique de Grenoble
Laurent Remusat
Institut de minéralogie, de physique des matériaux et de cosmochimie
Scott Sandford
NASA Ames Research Center
Miho Shigenaka
  • Fonction : Auteur
Department of Earth and Planetary Systems Science [Hiroshima]
Hiroki Suga
Japan Synchrotron Radiation Research Institute [Hyogo]
Yasuo Takeichi
  • Fonction : Auteur
Photon Factory
Yusuke Tamenori
  • Fonction : Auteur
Japan Synchrotron Radiation Research Institute [Hyogo]
Maximilien Verdier-Paoletti
Cosmochimie [IMPMC]
Daisuke Wakabayashi
  • Fonction : Auteur
Photon Factory
Masanao Abe
  • Fonction : Auteur
Institute of Space and Astronautical Science
Kanami Kamide
  • Fonction : Auteur
Department of Earth and Planetary Systems Science [Hiroshima]
Akiko Miyazaki
Institute of Space and Astronautical Science
Aiko Nakato
  • Fonction : Auteur
Institute of Space and Astronautical Science
Satoru Nakazawa
  • Fonction : Auteur
Institute of Space and Astronautical Science
Masahiro Nishimura
Institute of Space and Astronautical Science
Tatsuaki Okada
Institute of Space and Astronautical Science
Takanao Saiki
  • Fonction : Auteur
Institute of Space and Astronautical Science
Satoshi Tanaka
  • Fonction : Auteur
Institute of Space and Astronautical Science
Fuyuto Terui
  • Fonction : Auteur
Kanagawa Institute of Technology
Tomohiro Usui
  • Fonction : Auteur
Institute of Space and Astronautical Science
Toru Yada
  • Fonction : Auteur
Institute of Space and Astronautical Science
Kasumi Yogata
  • Fonction : Auteur
Institute of Space and Astronautical Science
Makoto Yoshikawa
Institute of Space and Astronautical Science
Hisayoshi Yurimoto
  • Fonction : Auteur
Hokkaido University [Sapporo, Japan]
Takaaki Noguchi
Kyoto University
Ryuji Okazaki
  • Fonction : Auteur
Department of Earth and Planetary Sciences [Fukuoka]
Hiroshi Naraoka
Department of Earth and Planetary Sciences [Fukuoka]
Kanako Sakamoto
  • Fonction : Auteur
Institute of Space and Astronautical Science
Shogo Tachibana
Department of Earth Science and Astrononomy [Tokyo]
Sei-Ichiro Watanabe
Nagoya University
Yuichi Tsuda
  • Fonction : Auteur
Institute of Space and Astronautical Science

Résumé

We report the H, C, and N isotopic compositions of microscale (0.2 to 2 µm) organic matter in samples of asteroid Ryugu and the Orgueil CI carbonaceous chondrite. Three regolith particles of asteroid Ryugu, returned by the Hayabusa2 spacecraft, and several fragments of Orgueil were analyzed by NanoSIMS isotopic imaging. The isotopic distributions of the Ryugu samples from two different collection spots are closely similar to each other and to the Orgueil samples, strengthening the proposed Ryugu-CI chondrite connection. Most individual sub-μm organic grains have isotopic compositions within error of bulk values, but 2–10 % of them are outliers exhibiting large isotopic enrichments or depletions in D, 15N, and/or 13C. The H, C and N isotopic compositions of the outliers are not correlated with each other: while some organic grains are both D- and 15N-enriched, many are enriched or depleted in one or the other system. This most likely points to a diversity in isotopic fractionation pathways and thus diversity in the local formation environments for the individual outlier grains. The observation of a relatively small population of isotopic outlier grains can be explained either by escape from nebular and/or parent body homogenization of carbonaceous precursor material or addition of later isotopic outlier grains. The strong chemical similarity of isotopically typical and isotopically outlying grains, as reflected by synchrotron x-ray absorption spectra, suggests a genetic connection and thus favors the former, homogenization scenario. However, the fact that even the least altered meteorites show the same pattern of a small population of outliers on top of a larger population of homogenized grains indicates that some or most of the homogenization occurred prior to accretion of the macromolecular organic grains into asteroidal parent bodies.

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Planète et Univers [physics]
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https://u-paris.hal.science/hal-04587649

Soumis le : samedi 1 juin 2024-09:17:08

Dernière modification le : lundi 9 décembre 2024-03:24:46

Archivage à long terme le : mardi 3 septembre 2024-08:02:26

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hal-04587649 , version 1 (01-06-2024)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Larry Nittler, Jens Barosch, Katherine Burgess, Rhonda Stroud, Jianhua Wang, et al.. Microscale hydrogen, carbon, and nitrogen isotopic diversity of organic matter in asteroid Ryugu. Earth and Planetary Science Letters, 2024, 637, pp.118719. ⟨10.1016/j.epsl.2024.118719⟩. ⟨hal-04587649⟩

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