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GEOCHEMICAL CHARACTERISTICS OF MAFIC DIKE ROCKS FROM THE SØR RONDANE MOUNTAINS, EAST ANTARCTICA
https://doi.org/10.15094/00002785
https://doi.org/10.15094/00002785d41fb890-b6ad-487e-a430-5653f0b6f0ec
名前 / ファイル | ライセンス | アクション |
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KJ00002368415 (1.9 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1995-09-01 | |||||
タイトル | ||||||
タイトル | GEOCHEMICAL CHARACTERISTICS OF MAFIC DIKE ROCKS FROM THE SØR RONDANE MOUNTAINS, EAST ANTARCTICA | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15094/00002785 | |||||
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) | |||||
著者名よみ |
イケダ, ヤスオ
× イケダ, ヤスオ× シライシ, カズユキ× カガミ, ヒロオ |
|||||
著者名(英) |
IKEDA, Yasuo
× IKEDA, Yasuo× SHIRAISHI, Kazuyuki× KAGAMI, Hiroo |
|||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Science, Hokkaido University of Education at Kushiro | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Institute for Study of the Earth's Interior, Okayama University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Mafic dike rocks (lamprophyre and dolerite) which have been metamorphosed up to amphibolite facies grade intruded Neoproterozoic metamorphic terrains of the Sør Rondane Mountains. Major and trace element abundance and Sr and Nd isotopic compositions were determined on the mafic dike rocks. The lamprophyre are characterized by extremely high K_2O, P_2O_5,Rb, Ba, Sr, Zr, and light rare earth elements which have minette or lamproite affinity. The geochemical characteristics of lamprophyre and dolerite suggest that these mafic rocks were derived from partial melting of a re-enriched mantle source by mixing of remnant subduction-related materials in the Pan-African orogenic time and a metasomatically enriched mantle. It seems likely that these mafic magmatic activities were related to post orogenic igneous activity in a continental collision zone linked to the Pan-African orogeny. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1072335X | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Geosciences 巻 8, p. 49-64, 発行日 1995-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |