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Paleomagnetic study of the Mount Riiser-Larsen area in Enderby Land, East Antarctica
https://doi.org/10.15094/00003070
https://doi.org/10.15094/00003070dd442a9a-87e3-4f0c-a8bc-e09770f39b5b
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000044187 (1.1 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2000-10-01 | |||||
タイトル | ||||||
タイトル | Paleomagnetic study of the Mount Riiser-Larsen area in Enderby Land, East Antarctica | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | paleomagnetism | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | East Gondwanaland | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mt Riiser-Larsen area | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | the Amundsen dike | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | the 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 | 10.15094/00003070 | |||||
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) |
Ishikawa, Naoto
× Ishikawa, Naoto× Funaki, Minoru |
|||||
著者所属(英) | ||||||
en | ||||||
School of Earth Sciences, IHS, Kyoto 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 | Paleomagnetic analyses were performed on samples of two sites from felsic gneiss of the Archaean Napier Complex and two sites from a dolerite dike (Amundsen dikes) in the Mt Rnser-Larsen area in Enderby Land, East Antarctica As a result of progressive demagnetization experiments, directions of the high-stability (H) components, carried probably by fine-grained magnetite, were determined for one dolerite and two gneiss sites Among the three sites, gneiss samples at the two sites were found to be magnetically amsotropic, while magnetic fabrics at the dolerite site indicated the possibility that the fabrics are of primary origin Based on the results of demagnetization experiments and magnetic amsotropy measurements, the H component direction of one dolerite site was regarded as a primary one Virtual geomagnetic poles of two sites form the dolerite dikes in this study and Ishikawa and Funaki (1998) appeared to be situated near the segment of the apparent polar wander path between 1 0 and 1 2 Ga for Australia in the East Gondwanaland frame It might be implied that East Antarctica and Australia formed East Gondwanaland at the time of igneous activity of the Amundsen dikes | |||||
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 13, p. 135-144, 発行日 2000-10 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |