The Tarda Meteorite: A Window into the Formation of D-type Asteroids
International audience Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn's orbit and represent invaluable witnesses of the prevailing conditions in the outer solar system. Here, we report a comprehensive petrographic and isotopic characterization of the...
Published in: | The Astrophysical Journal Letters |
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Online Access: | https://hal.archives-ouvertes.fr/hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940/document https://hal.archives-ouvertes.fr/hal-03368940/file/Marrocchi-modified.pdf https://doi.org/10.3847/2041-8213/abfaa3 |
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ftccsdartic:oai:HAL:hal-03368940v1 2023-05-15T18:30:04+02:00 The Tarda Meteorite: A Window into the Formation of D-type Asteroids Marrocchi, Yves Avice, Guillaume Barrat, Jean-Alix Centre de Recherches Pétrographiques et Géochimiques (CRPG) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Institut de Physique du Globe de Paris (IPGP) Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) 2021-05-19 https://hal.archives-ouvertes.fr/hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940/document https://hal.archives-ouvertes.fr/hal-03368940/file/Marrocchi-modified.pdf https://doi.org/10.3847/2041-8213/abfaa3 en eng HAL CCSD Bristol : IOP Publishing info:eu-repo/semantics/altIdentifier/doi/10.3847/2041-8213/abfaa3 hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940/document https://hal.archives-ouvertes.fr/hal-03368940/file/Marrocchi-modified.pdf doi:10.3847/2041-8213/abfaa3 info:eu-repo/semantics/OpenAccess ISSN: 2041-8205 EISSN: 2041-8213 The Astrophysical journal letters https://hal.archives-ouvertes.fr/hal-03368940 The Astrophysical journal letters, Bristol : IOP Publishing, 2021, 913 (1), pp.L9. ⟨10.3847/2041-8213/abfaa3⟩ asteroids Trans-Neptunian objects carbonaceous chondrites isotopic abundances [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2021 ftccsdartic https://doi.org/10.3847/2041-8213/abfaa3 2022-01-09T00:06:14Z International audience Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn's orbit and represent invaluable witnesses of the prevailing conditions in the outer solar system. Here, we report a comprehensive petrographic and isotopic characterization of the carbonaceous chondrite Tarda, a recent fall recovered in the Moroccan Sahara. We show that Tarda shares strong similarities with the D-type-derived chondrite Tagish Lake, implying that Tarda represents a rare sample of D-type asteroids. Both Tarda and Tagish Lake are characterized by the presence of rare 16 O-rich chondrules and chondrule fragments, high C/H ratios, and enrichments in deuterium, 15 N, and 13 C. By combining our results with literature data on carbonaceous chondrites related to C-type asteroids, we show that the outer solar system at that time was characterized by large-scale oxygen isotopic homogeneities in (i) the water-ice grains accreted by asteroids and (ii) the gas controlling the formation of FeO-poor chondrules. Conversely, the zone in which D-type asteroids accreted was significantly enriched in deuterium relative to the formation regions of C-type asteroids, features likely inherited from unprocessed, D-rich, molecular-cloud materials. Article in Journal/Newspaper Tagish Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Tagish ENVELOPE(-134.272,-134.272,60.313,60.313) Tagish Lake ENVELOPE(-134.233,-134.233,59.717,59.717) The Astrophysical Journal Letters 913 1 L9 |
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Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
asteroids Trans-Neptunian objects carbonaceous chondrites isotopic abundances [SDU]Sciences of the Universe [physics] |
spellingShingle |
asteroids Trans-Neptunian objects carbonaceous chondrites isotopic abundances [SDU]Sciences of the Universe [physics] Marrocchi, Yves Avice, Guillaume Barrat, Jean-Alix The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
topic_facet |
asteroids Trans-Neptunian objects carbonaceous chondrites isotopic abundances [SDU]Sciences of the Universe [physics] |
description |
International audience Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn's orbit and represent invaluable witnesses of the prevailing conditions in the outer solar system. Here, we report a comprehensive petrographic and isotopic characterization of the carbonaceous chondrite Tarda, a recent fall recovered in the Moroccan Sahara. We show that Tarda shares strong similarities with the D-type-derived chondrite Tagish Lake, implying that Tarda represents a rare sample of D-type asteroids. Both Tarda and Tagish Lake are characterized by the presence of rare 16 O-rich chondrules and chondrule fragments, high C/H ratios, and enrichments in deuterium, 15 N, and 13 C. By combining our results with literature data on carbonaceous chondrites related to C-type asteroids, we show that the outer solar system at that time was characterized by large-scale oxygen isotopic homogeneities in (i) the water-ice grains accreted by asteroids and (ii) the gas controlling the formation of FeO-poor chondrules. Conversely, the zone in which D-type asteroids accreted was significantly enriched in deuterium relative to the formation regions of C-type asteroids, features likely inherited from unprocessed, D-rich, molecular-cloud materials. |
author2 |
Centre de Recherches Pétrographiques et Géochimiques (CRPG) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Institut de Physique du Globe de Paris (IPGP) Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Marrocchi, Yves Avice, Guillaume Barrat, Jean-Alix |
author_facet |
Marrocchi, Yves Avice, Guillaume Barrat, Jean-Alix |
author_sort |
Marrocchi, Yves |
title |
The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
title_short |
The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
title_full |
The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
title_fullStr |
The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
title_full_unstemmed |
The Tarda Meteorite: A Window into the Formation of D-type Asteroids |
title_sort |
tarda meteorite: a window into the formation of d-type asteroids |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://hal.archives-ouvertes.fr/hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940/document https://hal.archives-ouvertes.fr/hal-03368940/file/Marrocchi-modified.pdf https://doi.org/10.3847/2041-8213/abfaa3 |
long_lat |
ENVELOPE(-134.272,-134.272,60.313,60.313) ENVELOPE(-134.233,-134.233,59.717,59.717) |
geographic |
Tagish Tagish Lake |
geographic_facet |
Tagish Tagish Lake |
genre |
Tagish |
genre_facet |
Tagish |
op_source |
ISSN: 2041-8205 EISSN: 2041-8213 The Astrophysical journal letters https://hal.archives-ouvertes.fr/hal-03368940 The Astrophysical journal letters, Bristol : IOP Publishing, 2021, 913 (1), pp.L9. ⟨10.3847/2041-8213/abfaa3⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3847/2041-8213/abfaa3 hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940 https://hal.archives-ouvertes.fr/hal-03368940/document https://hal.archives-ouvertes.fr/hal-03368940/file/Marrocchi-modified.pdf doi:10.3847/2041-8213/abfaa3 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.3847/2041-8213/abfaa3 |
container_title |
The Astrophysical Journal Letters |
container_volume |
913 |
container_issue |
1 |
container_start_page |
L9 |
_version_ |
1766213543775961088 |