Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands.
Multi beam bathymetnc survey by Seabeam System and seismic reflection profiling in the Okinawa Trough and the adjacent area. We interpreted seismic profiles in the area west of Tokara volcanic islands to reveal the acoustic stratigraphy in the Okinawa Trough. The strata is divided into the seven formations in ascending order on the basis of these acoustic lithology. Comparison with the driling data in the Yokogansone knoll confirmed that bottom two formations (NiX and OtV) are correlated with Lower Pleistocene or older formations and volcanic rocks. The upper five formations (OtⅣ, OtⅡ, Ot Ⅰ and Eb Ⅰ) are correlated with Upper Pleistocene to the recent.
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| Format: | Journal Contribution biblioteca |
| Language: | Japanese |
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1989
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| Online Access: | http://hdl.handle.net/1834/16076 |
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dig-aquadocs-1834-160762021-05-19T06:55:11Z Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. Kato, Yukihiro Ogawa, Masahiro Oshima, Shoichi Multi beam bathymetnc survey by Seabeam System and seismic reflection profiling in the Okinawa Trough and the adjacent area. We interpreted seismic profiles in the area west of Tokara volcanic islands to reveal the acoustic stratigraphy in the Okinawa Trough. The strata is divided into the seven formations in ascending order on the basis of these acoustic lithology. Comparison with the driling data in the Yokogansone knoll confirmed that bottom two formations (NiX and OtV) are correlated with Lower Pleistocene or older formations and volcanic rocks. The upper five formations (OtⅣ, OtⅡ, Ot Ⅰ and Eb Ⅰ) are correlated with Upper Pleistocene to the recent. Published 2020-02-05T11:29:07Z 2020-02-05T11:29:07Z 1989 Journal Contribution Refereed http://hdl.handle.net/1834/16076 ja https://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/rhr25/rhr25-04.pdf pp.123-131 |
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Japanese |
| description |
Multi beam bathymetnc survey by Seabeam System and seismic reflection profiling in the Okinawa Trough and the adjacent area. We interpreted seismic profiles in the area west of Tokara volcanic islands to reveal the acoustic stratigraphy in the Okinawa Trough. The strata is divided into the seven formations in ascending order on the basis of these acoustic lithology. Comparison with the driling data in the Yokogansone knoll confirmed that bottom two formations (NiX and OtV) are correlated with Lower Pleistocene or older formations and volcanic rocks. The upper five formations (OtⅣ, OtⅡ, Ot Ⅰ and Eb Ⅰ) are correlated with Upper Pleistocene to the recent. |
| format |
Journal Contribution |
| author |
Kato, Yukihiro Ogawa, Masahiro Oshima, Shoichi |
| spellingShingle |
Kato, Yukihiro Ogawa, Masahiro Oshima, Shoichi Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| author_facet |
Kato, Yukihiro Ogawa, Masahiro Oshima, Shoichi |
| author_sort |
Kato, Yukihiro |
| title |
Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| title_short |
Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| title_full |
Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| title_fullStr |
Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| title_full_unstemmed |
Stratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands. |
| title_sort |
stratigraphy of the okinawa trough in the area west of tokara volcanic islands. |
| publishDate |
1989 |
| url |
http://hdl.handle.net/1834/16076 |
| work_keys_str_mv |
AT katoyukihiro stratigraphyoftheokinawatroughintheareawestoftokaravolcanicislands AT ogawamasahiro stratigraphyoftheokinawatroughintheareawestoftokaravolcanicislands AT oshimashoichi stratigraphyoftheokinawatroughintheareawestoftokaravolcanicislands |
| _version_ |
1756076673560739840 |