Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous 
meteorites

Yokoyama, T.; Nagashima, K.; Nakai, I.; Young, E. D.; Abe, Y.; Aléon, Jérôme; Alexander, C. M. O. ’D.; Amari, S.; Amelin, Y.; Bajo, K.-I.; Bizzarro, M.; Bouvier, A.; Carlson, R. W.; Chaussidon, M.; Choi, B.-G.; Dauphas, N.; Davis, A. M.; Di Rocco, T.; Fujiya, W.; Fukai, R.; Gautam, I.; Haba, M. K.; Hibiya, Y.; Hidaka, H.; Homma, H.; Hoppe, P.; Huss, G. R.; Ichida, K.; Iizuka, T.; Ireland, T.  R.; Ishikawa, A.; Ito, M.; Itoh, S.; Kawasaki, N.; Kita, N. T.; Kitajima, K.; Kleine, T.; Komatani, S.; Krot, A. N.; Liu, M.-C.; Masuda, Y.; McKeegan, K. D.; Morita, M.; Motomura, K.; Moynier, F.; Nguyen, A.; Nittler, L.; Onose, M.; Pack, A.; Park, C.; Piani, L.; Qin, L.; Russell, S. S.; Sakamoto, N.; Schönbächler, M.; Tafla, L.; Tang, H.; Terada, K.; Terada, Y.; Usui, T.; Wada, S.; Wadhwa, M.; Walker, R. J.; Yamashita, K.; Yin, Q.-Z; Yoneda, S.; Yui, H.; Zhang, A.-C.; Connolly, H. C.; Lauretta, D. S.; Nakamura, T.; Naraoka, H.; Noguchi, T.; Okazaki, R.; Sakamoto, K.; Yabuta, H.; Abe, M.; Arakawa, M.; Fujii, A.; Hayakawa, M.; Hirata, N.; Hirata, N.; Honda, R.; Honda, C.; Hosoda, S.; Iijima, Y.-I.; Ikeda, H.; Ishiguro, M.; Ishihara, Y.; Iwata, T.; Kawahara, K.; Kikuchi, S.; Kitazato, K.; Matsumoto, K.; Matsuoka, M.; Michikami, T.; Mimasu, Y.; Miura, A.; Morota, T.; Nakazawa, S.; Namiki, N.; Noda, H.; Noguchi, R.; Ogawa, N.; Ogawa, K.; Okada, T.; Okamoto, C.; Ono, G.; Ozaki, M.; Saiki, T.; Sakatani, N.; Sawada, H.; Senshu, H.; Shimaki, Y.; Shirai, K.; Sugita, S.; Takei, Y.; Takeuchi, H.; Tanaka, S.; Tatsumi, E.; Terui, F.; Tsuda, Y.; Tsukizaki, R.; Wada, K.; Watanabe, S-I.; Yamada, M.; Yamada, T.; Yamamoto, Y.; Yano, H. M.; Yokota, Y.; Yoshihara, K.; Yoshikawa, M.; Yoshikawa, K.; Furuya, S.; Hatakeda, K.; Hayashi, T.; Hitomi, Y.; Kumagai, K.; Miyazaki, A.; Nakato, A.; Nishimura, M.; Soejima, H.; Suzuki, A.; Yada, T.; Yamamoto, D.; Yogata, K.; Yoshitake, M.; Tachibana, S.; Yurimoto, H.

doi:10.1126/science.abn7850

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Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

Yokoyama, T., Nagashima, K., Nakai, I., Young, E. D., Abe, Y., Aléon, J., et al. (2023). Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites. Science, 379, abn7850. doi:10.1126/science.abn7850.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-C206-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-88B7-A

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https://ui.adsabs.harvard.edu/abs/2023Sci...379.7850Y (Any fulltext) Open Access status unknown

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Yokoyama, T., Author
Nagashima, K., Author
Nakai, I., Author
Young, E. D., Author
Abe, Y., Author
Aléon, Jérôme, Author
Alexander, C. M. O. ’D., Author
Amari, S., Author
Amelin, Y., Author
Bajo, K.-I., Author
Bizzarro, M., Author
Bouvier, A., Author
Carlson, R. W., Author
Chaussidon, M., Author
Choi, B.-G., Author
Dauphas, N., Author
Davis, A. M., Author
Di Rocco, T., Author
Fujiya, W., Author
Fukai, R., Author
Gautam, I., AuthorHaba, M. K., AuthorHibiya, Y., AuthorHidaka, H., AuthorHomma, H., AuthorHoppe, P., AuthorHuss, G. R., AuthorIchida, K., AuthorIizuka, T., AuthorIreland, T. R., AuthorIshikawa, A., AuthorIto, M., AuthorItoh, S., AuthorKawasaki, N., AuthorKita, N. T., AuthorKitajima, K., AuthorKleine, T.¹, Author Komatani, S., AuthorKrot, A. N., AuthorLiu, M.-C., AuthorMasuda, Y., AuthorMcKeegan, K. D., AuthorMorita, M., AuthorMotomura, K., AuthorMoynier, F., AuthorNguyen, A., AuthorNittler, L., AuthorOnose, M., AuthorPack, A., AuthorPark, C., AuthorPiani, L., AuthorQin, L., AuthorRussell, S. S., AuthorSakamoto, N., AuthorSchönbächler, M., AuthorTafla, L., AuthorTang, H., AuthorTerada, K., AuthorTerada, Y., AuthorUsui, T., AuthorWada, S., AuthorWadhwa, M., AuthorWalker, R. J., AuthorYamashita, K., AuthorYin, Q.-Z, AuthorYoneda, S., AuthorYui, H., AuthorZhang, A.-C., AuthorConnolly, H. C., AuthorLauretta, D. S., AuthorNakamura, T., AuthorNaraoka, H., AuthorNoguchi, T., AuthorOkazaki, R., AuthorSakamoto, K., AuthorYabuta, H., AuthorAbe, M., AuthorArakawa, M., AuthorFujii, A., AuthorHayakawa, M., AuthorHirata, N., AuthorHirata, N., AuthorHonda, R., AuthorHonda, C., AuthorHosoda, S., AuthorIijima, Y.-I., AuthorIkeda, H., AuthorIshiguro, M., AuthorIshihara, Y., AuthorIwata, T., AuthorKawahara, K., AuthorKikuchi, S., AuthorKitazato, K., AuthorMatsumoto, K., AuthorMatsuoka, M., AuthorMichikami, T., AuthorMimasu, Y., AuthorMiura, A., AuthorMorota, T., AuthorNakazawa, S., AuthorNamiki, N., AuthorNoda, H., AuthorNoguchi, R., AuthorOgawa, N., AuthorOgawa, K., AuthorOkada, T., AuthorOkamoto, C., AuthorOno, G., AuthorOzaki, M., AuthorSaiki, T., AuthorSakatani, N., AuthorSawada, H., AuthorSenshu, H., AuthorShimaki, Y., AuthorShirai, K., AuthorSugita, S., AuthorTakei, Y., AuthorTakeuchi, H., AuthorTanaka, S., AuthorTatsumi, E., AuthorTerui, F., AuthorTsuda, Y., AuthorTsukizaki, R., AuthorWada, K., AuthorWatanabe, S-I., AuthorYamada, M., AuthorYamada, T., AuthorYamamoto, Y., AuthorYano, H. M., AuthorYokota, Y., AuthorYoshihara, K., AuthorYoshikawa, M., AuthorYoshikawa, K., AuthorFuruya, S., AuthorHatakeda, K., AuthorHayashi, T., AuthorHitomi, Y., AuthorKumagai, K., AuthorMiyazaki, A., AuthorNakato, A., AuthorNishimura, M., AuthorSoejima, H., AuthorSuzuki, A., AuthorYada, T., AuthorYamamoto, D., AuthorYogata, K., AuthorYoshitake, M., AuthorTachibana, S., AuthorYurimoto, H., Author more..

Affiliations:
1Planetary Science Department, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288

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Free keywords: GEOCHEM PHYS; PLANET SCI

Abstract: Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids. Samples of the C-type asteroid (162173) Ryugu were retrieved by the Hayabusa2 spacecraft. We measured the mineralogy and bulk chemical and isotopic compositions of Ryugu samples. The samples are mainly composed of materials similar to those of carbonaceous chondrite meteorites, particularly the CI (Ivuna-type) group. The samples consist predominantly of minerals formed in aqueous fluid on a parent planetesimal. The primary minerals were altered by fluids at a temperature of 37° ± 10°C, about 5.2−0.7+0.8 million (statistical) or 5.2−2.1+1.6 million (systematic) years after the formation of the first solids in the Solar System. After aqueous alteration, the Ryugu samples were likely never heated above ~100°C. The samples have a chemical composition that more closely resembles that of the Sun’s photosphere than other natural samples do.

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Dates: Date issued: 2023

Publication Status: Issued

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Identifiers: DOI: 10.1126/science.abn7850
ISSN: 0036-8075

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Title: Science

Source Genre: Journal

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Pages: - Volume / Issue: 379 Sequence Number: - Start / End Page: abn7850 Identifier: -