Granulites from Cape Hinode in the amphibolite-facies eastern part of Prince Olav Coast, East Antarctica: New evidence for allochthonous block in the Lutzow-Holm Complex
スポンサーリンク
概要
- 論文の詳細を見る
High-grade metamorphic rocks occurring along the Prince Harald, Soya, and Prince Olav Coasts make up the Latest Proterozoic-Early Paleozoic Lutzow-Holm Complex, which is the youngest orogenic belt in the East Antarctic Shield. A systematic increase in metamorphic grade from east to west, ranging from upper amphibolite facies on the eastern Prince Olav Coast to upper granulite facies at the head of Lutzow-Holm Bay, has been well-established in the complex. However, granulites are newly found to occur as blocks sitting within meta-tonalites at Cape Hinode located on the amphibolite-facies eastern Prince Olav Coast. In addition, it is newly revealed that kyanite occurs rather commonly in meta-tonalites which contain hornblende with or without clinopyroxene. The modes of occurrence in the field, petrographical features, and major element bulk rock compositions of the granulites and related rocks are given in some detail in this study. These, along with the previously presented geochronological, geochemical and petrographical data, would indicate that the rocks in the Cape Hinode area as a whole make up a Mesoproterozoic allochthonous block in the Latest Proterozoic-Early Paleozoic Lutzow-Holm Complex.
- 国立極地研究所の論文
著者
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Satish-Kumar M.
静岡大学理学部
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加々島 慎一
山形大学理学部
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Satish-Kumar M.
Institute of Geosciences, Shizuoka University
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Hiroi Yoshikuni
Department of Earth Sciences, Faculty of Science, Chiba University
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Motoyoshi Yoichi
National Institute of Polar Research
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Kagashima Shin-ichi
Department of Earth and Environmental Sciences, Faculty of Science, Yamagata University
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Suda Yoshimitsu
National Institute of Polar Research
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Ishikawa Naoto
School of Earth Sciences, HIS, Kyoto University
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Ishikawa Naoto
School Of Earth Sciences His Kyoto University
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Satish-kumar M.
Institute Of Geoscience Shizuoka University
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サティッシュ・クマール M.
高知大
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Satish-kumar M.
静岡大学理学部地球科学教室
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Hiroi Yoshikuni
Department Of Earth Sciences Chiba University
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Satish‐kumar M.
静岡大
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