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Petrogenesis of the tonalitic rocks from the Soer Rondane Mountains, East Antarctica
https://doi.org/10.15094/00003025
https://doi.org/10.15094/0000302572b59251-b665-46f0-8883-9e1c336871b1
名前 / ファイル | ライセンス | アクション |
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KJ00000044142 (1.3 MB)
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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 | Petrogenesis of the tonalitic rocks from the Soer Rondane Mountains, East Antarctica | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | East Antarctica | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MORB | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | slab | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | SOR Rondance Mountains | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tonalite | |||||
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 | 10.15094/00003025 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | Petrogenesis of the tonalitic rocks from the Soer Rondane Mountains, East Antarctica | |||||
著者名(英) |
Ikeda, Yasuo
× Ikeda, Yasuo× Shiraishi, Kazuyuki |
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著者所属(英) | ||||||
en | ||||||
Hokkaido University of Education at Kushiro/National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Tonalitic rocks (ca. 1000 Ma) from the Sor Rondane Mountains, East Antarctica, are characterized by relatively high Na_2O/K_2O (0.6-24), K/Rb (76-1638), Sr/Y (5-60), and (La/Yb) N (1-29), and relatively low CaO/ Na_2O (0.4-4) and low initial ^<87>Sr/^<86>Sr ratio (0.7024). They are chemically similar to trondhjemites (1000 Ma) from the Lutzow-Holm Complex and to Archean tonalite-trondhjemites. Trace element modeling of the partial melting of MORB suggests that tonalitic rocks were derived by partial melting of a basaltic source material under garnet amphibolite stability P-T conditions. We suggest that a young hot subducting plate along the S0r Rondane Mountains at 1000 Ma may have reached elevated temperatures which initiated melting of the slab and generated the tonalitic rocks. | |||||
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. 143-153, 発行日 1998-10 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |