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Rock magnetic analysis for samples of the Napier Complex in the Mt. Riiser-Larsen area, East Antarctica
https://doi.org/10.15094/00003022
https://doi.org/10.15094/000030227619a38b-d5f1-4827-8728-d26ef68beec5
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||||||
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公開日 | 1998-10-01 | |||||||||
タイトル | ||||||||||
タイトル | Rock magnetic analysis for samples of the Napier Complex in the Mt. Riiser-Larsen area, East Antarctica | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | the Napier Complex | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Mt. Riiser-Larsen | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | rock magnetism | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | AMS | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | hysteresis parameters | |||||||||
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 | 10.15094/00003022 | |||||||||
ID登録タイプ | JaLC | |||||||||
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内容記述タイプ | Other | |||||||||
内容記述 | P(論文) | |||||||||
著者名(英) |
Ishikawa, Naoto
× Ishikawa, Naoto
× Funaki, Minoru
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著者所属(英) | ||||||||||
en | ||||||||||
School of Earth Sciences, IHS, Kyoto University | ||||||||||
著者所属(英) | ||||||||||
en | ||||||||||
National Institute of Polar Reserch | ||||||||||
抄録(英) | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Samples collected at eight sites from granulites of the Archean Napier Complex and dolente dikes intruding the complex in the Mt. Riiser-Larsen area, East Antarctica, were analyzed rock-magnetically in order to assess the stability of their natural remanent magnetizations (NRMs). Results of isothermal remanence acquisition experiments and hysteresis measurements indicate the presence of magnetite in the pseudo-single to multi domain size, which is consistent with N. ISHIKAWA and M. FUNAKI (Proc. NIPR Symp. Antarct. Geosci., 10, 79, 1997). Stable magnetic components carried by fine-grained magnetites were isolated from some sites. Samples with such components may have a mixture of magnetites with different grain sizes although the effect of the mixing was not clearly observed. Heavily-deformed samples were found to be magnetically amsotropic, while magnetic fabrics of less-deformed samples indicate the possibility that the fabrics are of primary origin. The high-stability magnetic components from the less-deformed dolente samples of one site with primary magnetic fabrics may be of primary remanence acquired in the emplacement of the dike at 0.8-1.0Ga. | |||||||||
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 11, p. 112-124, 発行日 1998-10 |
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出版者 | ||||||||||
出版者 | National Institute of Polar Research |