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Petrology of the Yamato-8449 CR chondrite
https://doi.org/10.15094/00004668
https://doi.org/10.15094/000046687ca59f36-cf78-40b7-9b37-4a5aeebee083
名前 / ファイル | ライセンス | アクション |
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KJ00000036474 (1.8 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1995-03-01 | |||||
タイトル | ||||||
タイトル | Petrology of the Yamato-8449 CR chondrite | |||||
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 | 10.15094/00004668 | |||||
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) |
Ichikawa, Osamu
× Ichikawa, Osamu× Ikeda, Yukio |
|||||
著者所属(英) | ||||||
en | ||||||
Department of polar Science, The Graduate University for Advanced Studies, National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Ibaraki University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The Yamato (Y)-8449 chondrite is a new CR (Renazzo-type) chondrite, and the constituent minerals coincide in chemical composition with those of the other CR chondrites except phyllosilicate and metal. FeO and Al_2O_3 contents of phyllosilicates in Y-8449 are richer than those in other CR chondrites. Fe-Ni metal in Y-8449 is classified into two types; one type has an exsolution texture indicating a slow cooling rate of the metal, and the other type has a massive texture free from exsolution texture. Massive Fe-Ni metal in Y-8449 is more homogeneous than that in the other CR chondrites. Groundmass glass and phenocrystic enstatite in Y-8449 chondrules have been replaced by phyllosilicate in the chondrule rims, and the aqueous alteration reaction that produced the phyllosilicate had possibly taken place in a nebula at low temperatures prior to accretion onto the parent body. | |||||
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 8, p. 63-78, 発行日 1995-03 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |