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Sm-Nd mineral isochron age of sapphirine-quartz gneiss from the Mt. Riiser-Larsen area in the Napier Complex, East Antarctica
https://doi.org/10.15094/00003087
https://doi.org/10.15094/00003087a22ef42b-1d9d-448d-b873-7e3229b36f4b
名前 / ファイル | ライセンス | アクション |
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KJ00000044205 (1.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2001-10-01 | |||||
タイトル | ||||||
タイトル | Sm-Nd mineral isochron age of sapphirine-quartz gneiss from the Mt. Riiser-Larsen area in the Napier Complex, East Antarctica | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sm-Nd mineral isochron age | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sapphirine-quartz gneiss | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | UHT metamorphism | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | the Mt. Riiser-Larsen area | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Napier Complex | |||||
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 | 10.15094/00003087 | |||||
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) |
Suzuki, Satoko
× Suzuki, Satoko× Kagami, Hiroo× Ishizuka, Hideo× Hokada, Tomokazu |
|||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Science and Technology, Niigata University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Science and Technology, Niigata University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Geology, Kochi 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 | The Archaean Napier Complex in East Antarctica yields gneisses, including sapphirine+quartz assemblage that is diagnostic of ultra-high temperature (UHT) metamorphism. We determined an Sm-Nd mineral isochron age of the sapphirine-quartz gneiss from the Mt. Riiser-Larsen area for examining the timing of UHT metamorphism. The minerals analyzed here include sapphirine, orthopyroxene, sillimanite, quartz and feldspar, and the result defines approximately the mineral isochron of 2.2 Ga. This age is different from the ages of the other gneisses in the central part of the Mt. Riiser-Larsen area (approximately 2.4 Ga by Sm-Nd mineral isochron analyses). It is, therefore, suggested that the southwestern end of the Mt. Riiser-Larsen area, where the analyzed sapphirine-quartz gneiss was sampled, may have a different geological history from the gneisses of the central part, or may have been permeated with secondary fluid after the peak metamorphism. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1130866X | |||||
書誌情報 |
Polar geoscience 巻 14, p. 88-98, 発行日 2001-10 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |