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The effect of partial resetting on Hf-W system by giant impacts
https://jaxa.repo.nii.ac.jp/records/20655
https://jaxa.repo.nii.ac.jp/records/20655d195ef23-308a-4f71-8162-5ffbebf66373
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The effect of partial resetting on Hf-W system by giant impacts | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Hf-Wクロノメータ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 巨大衝突 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星降着 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 化学分留 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 原始惑星 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hf-W chronometer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | giant impact | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetary accretion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planet | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chemical fractionation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | protoplanet | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル | ||||||
その他のタイトル | 巨大衝突によるHf-W系への部分的リセッティングの影響 | |||||
著者 |
佐々木, 貴教
× 佐々木, 貴教× 阿部, 豊× Sasaki, Takanori× Abe, Yutaka |
|||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属 | ||||||
東京大学 大学院理学系研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School of Science | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第36回月・惑星シンポジウム en : Proceedings of the 36th ISAS Lunar and Planetary Symposium p. 21-24, 発行日 2003-11 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Hf-W chronometry provides some constraints on the timing of planetary accretion and differentiation, as segregation of a metal core from silicates should induce strong fractionation of hafnium from tungsten. In previous studies, it was assumed a giant impact raise up perfect resetting on Hf-W chronometer. The effect of partial resetting on Hf-W system was considered in this study. Also estimated was the degree of achievable resetting by giant impacts. The study provided two important results: (1) the age of a giant impact or the metal-silicate separation cannot be determined with Hf-W chronometry before quantitative assessment of equilibration at giant impacts and (2) achieving large resetting ratio by giant impact or other equilibrating events is not so easy. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0046650006 |