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40Ar-39Ar analyses of Yamato-75097 (L6) chondrite from Antarctica
https://doi.org/10.15094/00004457
https://doi.org/10.15094/000044575e1b060c-4929-403d-b19e-c44c52e9bc98
名前 / ファイル | ライセンス | アクション |
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KJ00000036263 (1.3 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1988-03-01 | |||||
タイトル | ||||||
タイトル | 40Ar-39Ar analyses of Yamato-75097 (L6) chondrite from Antarctica | |||||
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 | 10.15094/00004457 | |||||
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) |
Kaneoka, Ichiro
× Kaneoka, Ichiro× Takaoka, Nobuo× Yanai, Keizo |
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著者所属(英) | ||||||
en | ||||||
Earthquake Research Institute, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Faculty of Science, Yamagata University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | ^<40>Ar-^<39>Ar analyses were performed on the host phase of an H-clast bearing chondrite Yamato-75097 (L6). The result indicates a typical U-shaped age spectrum, suggesting that the serious degassing event occurred at about 490Ma or slightly younger age for this meteorite. Since the meteorite shows a sign of shock, this event might have been a collisional event. It is estimated that more than 99% of radiogenic ^<40>Ar was degassed during this event. For this degassing, it requires prolonged time of at least a few hours even at 1200℃, and a longer time is required if the ambient temperature is lower and the diffusion mainly controls the degassing process. | |||||
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 1, p. 206-214, 発行日 1988-03 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |