{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["98(6)"],"submitter":["Nakamura E"],"pubmed_abstract":["Presented here are the observations and interpretations from a comprehensive analysis of 16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 mission. On average Ryugu particles consist of 50% phyllosilicate matrix, 41% porosity and 9% minor phases, including organic matter. The abundances of 70 elements from the particles are in close agreement with those of CI chondrites. Bulk Ryugu particles show higher δ<sup>18</sup>O, Δ<sup>17</sup>O, and ε<sup>54</sup>Cr values than CI chondrites. As such, Ryugu sampled the most primitive and least-thermally processed protosolar nebula reservoirs. Such a finding is consistent with multi-scale H-C-N isotopic compositions that are compatible with an origin for Ryugu organic matter within both the protosolar nebula and th"],"journal":["Proceedings of the Japan Academy. Series B, Physical and biological sciences"],"pagination":["227-282"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9246647"],"repository":["biostudies-literature"],"pubmed_title":["On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective."],"pmcid":["PMC9246647"],"pubmed_authors":["Kumagai K","Yachi Y","Kikuchi S","Hosoda S","Ogawa K","Yogata K","Ozaki M","Yokota Y","Sakaguchi C","Morota T","Hayakawa M","Kawahara K","Kobayashi K","Kumar R","Tatsumi E","Usui T","Avramescu ML","Fukai R","Shirai K","Takeuchi H","Shimaki Y","Soejima H","Fujimoto M","Ishiguro M","Yamanaka M","Noda H","Tsuchida H","Yamada T","Hatakeda K","Wada K","Nakamura E","Nakazawa S","Yoshikawa K","Yamada M","Kitazato K","Yoshikawa M","Watanabe SI","Suzuki A","Abe M","Hirata N","Ikeda H","Hitomi Y","Ishihara Y","Yamamoto Y","Yano H","Ogawa N","Senshu H","Nakato A","Fujii A","Ota T","Sugita S","Miura H","Tsuda Y","Hayashi T","Yoshitake M","Sawada H","Noguchi R","Sakatani N","Furuya S","Tanaka S","Tanaka R","Yoshihara K","Kunihiro T","Yamamoto D","Tsukizaki R","Terui F","Kitagawa H","Miura A","Mimasu Y","Tripathi H","Honda C","Miyazaki A","Nishimura M","Michikami T","Saiki T","Namiki N","Okamoto C","Iijima YI","Iwata T","Honda R","Ratnayake DM","Matsumoto K","Potiszil C","Arakawa M","Ono G","Yada T","Okada T","Matsuoka M","Takei Y"],"additional_accession":[]},"is_claimable":false,"name":"On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective.","description":"Presented here are the observations and interpretations from a comprehensive analysis of 16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 mission. On average Ryugu particles consist of 50% phyllosilicate matrix, 41% porosity and 9% minor phases, including organic matter. The abundances of 70 elements from the particles are in close agreement with those of CI chondrites. Bulk Ryugu particles show higher δ<sup>18</sup>O, Δ<sup>17</sup>O, and ε<sup>54</sup>Cr values than CI chondrites. As such, Ryugu sampled the most primitive and least-thermally processed protosolar nebula reservoirs. Such a finding is consistent with multi-scale H-C-N isotopic compositions that are compatible with an origin for Ryugu organic matter within both the protosolar nebula and th","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2025-04-05T11:48:44.467Z","creation":"2025-04-05T11:48:44.467Z"},"accession":"S-EPMC9246647","cross_references":{"pubmed":["35691845"],"doi":["10.2183/pjab.98.015"]}}