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K-T境界における粘土鉱物の特異性とイリジウム
https://doi.org/10.24517/00061654
https://doi.org/10.24517/000616543465ee39-cb40-4dd2-a5e9-0c4fb1bc8d04
名前 / ファイル | ライセンス | アクション |
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SC-PR-TAZAKI-K-86.pdf (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-19 | |||||
タイトル | ||||||
タイトル | K-T境界における粘土鉱物の特異性とイリジウム | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Singularity of Clay Minerals and Iridium Concentration at Cretaceous-Tertiary (K-T) Boundary | |||||
言語 | ||||||
言語 | jpn | |||||
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 | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00061654 | |||||
ID登録タイプ | JaLC | |||||
著者 |
田崎, 和江
× 田崎, 和江× 荒谷, 美智× 矢野 , 倉実× 海保, 邦夫× 野田, 修司 |
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著者別表示 |
Tazaki, Kazue
× Tazaki, Kazue× Aratani, Michi× Yanokura, Minoru× Kaiho, Kunio× Noda, Shuji |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域地球社会基盤学系 | |||||
書誌情報 |
粘土科学 en : Journal of the Clay Science Society of Japan 巻 32, 号 2, p. 86-96, 発行日 1992-11-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0470-6455 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2186-3563 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1155672X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.11362/jcssjnendokagaku1961.32.86 | |||||
出版者 | ||||||
出版者 | 日本粘土学会 The Clay Science Society of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Spherical heating-shocked mica clays are found in Cretaceous-Tertiary (K-T) boundary sediments in the eastern district of Hokkaido, northernmost Japan. The K-T boundary sediments contain relatively high Ir concentrations suggesting an asteroid struck the Earth and caused mass extinctions at the end of the Cretaceous. Foraminifera are totally absent in the grayish black clay. Mineralogical investigations of the claystone have been carried out by the use of X-ray powder diffraction, high resolution electron microscope, energy dispersive spectrometer and heavy-iron Rutherford scattering. Singularity of clay minerals of a continuous stratigraphic section spanning the K-T boundary reveals that the spherical interstratified clay in < 2μm fraction are largely decomposed. The spherical clay shows characteristic stacking disorder of 14Å, 10Å, 7Å phase, which is suggested to be heating eventsin the K-T boundary. | |||||
権利 | ||||||
権利情報 | Copyright © 日本粘土学会 The Clay Science Society of Japan | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku/-char/ja | |||||
関連名称 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku/-char/ja | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.cssj2.org/ | |||||
関連名称 | http://www.cssj2.org/ |