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dc.contributor.authorKato, Yukihiro
dc.contributor.authorOgawa, Masahiro
dc.contributor.authorOshima, Shoichi
dc.date.accessioned2020-02-05T11:29:07Z
dc.date.available2020-02-05T11:29:07Z
dc.date.issued1989
dc.identifier.urihttp://hdl.handle.net/1834/16076
dc.description.abstractMulti 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.en_US
dc.language.isojaen_US
dc.relation.urihttps://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/rhr25/rhr25-04.pdfen_US
dc.titleStratigraphy of the Okinawa Trough in the area west of Tokara volcanic islands.en_US
dc.typeJournal Contributionen_US
dc.bibliographicCitation.issue25en_US
dc.bibliographicCitation.titleReport of Hydrographic and Oceanographic Researchesen_US
dc.description.statusPublisheden_US
dc.format.pagerangepp.123-131en_US
dc.type.refereedRefereeden_US
refterms.dateFOA2021-01-30T18:48:37Z


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