A PRELIMINARY SURVEY BY A SEISMIC PROFILING ACROSS THE GUNNERUS RIDGE OFF THE RIISER-LARSEN PENINSULA, ANTARCTICA
スポンサーリンク
概要
- 論文の詳細を見る
The following conclusion can be drawn from the interpretation of sparker sonic prospecting records obtained on the Gunnerus Ridge, off the Riiser-Larsen Peninsula, East Antarctica. 1) The Gunnerus Ridge may be a horst composed of a continental crust, 2) a graben-like depression lies to the east of the ridge, and it seems to be connected with the inferred fault system in the central part of Lutzow-Holm Bay, 3) topography or sediments on the ridge appear not to have been deformed by glaciation, suggesting that the maximum expansion of the past ice sheet might not have reached so far as 67°45'S in latitude on the Gunnerus Ridge 725m in present depth.
- 国立極地研究所の論文
著者
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Moriwaki Kiichi
National Institute of Polar Research
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Yoshida Yoshio
National Institute of Polar Research
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MATSUOKA Norikazu
National Institute of Polar Research
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MATSUOKA Norikazu
Institute of Geoscience, The University of Tsukuba
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