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Ion microprobe mesearments of Mg isotopes in Type B1 CAI of Allende meteorite
https://doi.org/10.15094/00004619
https://doi.org/10.15094/00004619a5b44eeb-d367-4bfe-b71c-19b407c69bd0
名前 / ファイル | ライセンス | アクション |
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KJ00000036425 (882.5 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1993-05-01 | |||||
タイトル | ||||||
タイトル | Ion microprobe mesearments of Mg isotopes in Type B1 CAI of Allende meteorite | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00004619 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Koike, Osamu
× Koike, Osamu× Yurimoto, Hisayoshi× Nagasawa, Hiroshi× Sueno, Shigeho |
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著者所属(英) | ||||||
en | ||||||
Institute of Geoscience, University of Tsukuba/Institute of Geoscience, University of Tsukuba/Department of Chemistry, Gakushuin University/Institute of Geoscience, University of Tsukuba | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Magnesium isotopes in individual mineral grains of a Ca-Al rich inclusion from the Allende meteorite have been measured by secondary ion mass spectrometry. An electrostatic peak switching system was used to make a precise isotopic measurement in high mass resolution mode (M/⊿M=∿4000). The inclusion shows excess of ^<26>Mg correlated with the ^<27>Al/^<24>Mg ratio. The results suggest that live ^<26>Al decayed in the inclusion which formed simultaneously in the solar nebula. The relative abundance of ^<26>Al(^<26>Al/^<27>Al=3.12×10^<-5>) is close to the "canonical" value (^<26>Al/^<27>Al=∿5×10^<-5>) for coarse-grained CAIs. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10784627 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Meteorites 巻 6, p. 357-363, 発行日 1993-05 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |