Pre-Neogene basement rocks beneath the Kanto Plain, central Japan
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- Hayashi Hiroki
- Department of Geoscience, Interdisciplinary Faculity of Science and Engineering, Shimane University
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- Kasahara Keiji
- Solid Earth Science Division, National Research Institute for Earth Science and Disaster Prevention
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- Kimura Hisanori
- Solid Earth Science Division, National Research Institute for Earth Science and Disaster Prevention
Bibliographic Information
- Other Title
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- 関東平野の地下に分布する先新第三系基盤岩類
- カントウ ヘイヤ ノ チカ ニ ブンプ スル センシン ダイ3ケイ キバンガンルイ
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Abstract
Forty-nine deep borehole data and 31 seismic reflection profiles were used for understanding a distribution of pre-Neogene basement rocks beneath the Kanto Plain, central Japan. Pre-Neogene rocks drilled at each borehole are divided into seven geologic units, namely, Ashio, Tsukuba, Ryoke, Sanbagawa, Chichibu and Shimanto Complexes and Cretaceous sediments. P-wave velocities of pre-Neogene rocks underneath of the Kanto Plain suggest a relationship with each geologic unit. Boundary between pre-Neogene basements and covering sediments are well traced on some seismic reflection profiles, and a boundary between geologic units was suggested by geophysical difference in reflection patterns, such as shapes and intensities. Thus subsurface distribution of pre-Neogene geologic units beneath the Kanto Plain is synthesized based on both geological and geophysical data.<br>
Journal
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- The Journal of the Geological Society of Japan
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The Journal of the Geological Society of Japan 112 (1), 2-13, 2006
The Geological Society of Japan
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Details 詳細情報について
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- CRID
- 1390001206238166272
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- NII Article ID
- 110004027149
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- NII Book ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL BIB ID
- 7823320
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed