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Article: Magnetostratigraphic calibration of early Eocene depositional sequences in the southern North Sea Basin

TitleMagnetostratigraphic calibration of early Eocene depositional sequences in the southern North Sea Basin
Authors
Issue Date1992
PublisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/sp
Citation
Geological Society Special Publication, 1992, v. 70 n. 1, p. 99-125 How to Cite?
AbstractWe present the results of a comprehensive magnetostratigraphic study of early Eocene (Ypresian) sedimentary sequences in the London Basin, Belgium, and the Varengeville outlier of northern France. A re-investigation of part of the lower Eocene section at Whitecliff Bay (Isle of Wight), in the Hampshire Basin, has also been carried out. The palaeomagnetic results from each area are used to refine existing litho- and biostratigraphic correlations. The magnetostratigraphy of the sedimentary sequence in each area is linked to the geomagnetic polarity time-scale using biostratigraphic data from calcareous nannoplankton and dinoflagellates. The Ypresian deposits were laid down during the interval spanning geomagnetic Chrons C24BR to C22R. In the Hampshire Basin, deposition of Lutetian (middle Eocene) sediments extended into Chron C21R, but the apparent absence of a record of Chron C22N suggests an unconformity separating the lower and middle Eocene of between 0.6 and 2.0 Ma in duration, at the basin margin. In this paper, recently acquired Ypresian stratigraphic data are integrated with previously published data, and a high-resolution 'even-stratigraphy' is developed for the Ypresian deposits of the southern margin of the North Sea Basin. A total of ten depositional sequences ('cycles'), probably reflecting eustatic sea-level changes, are calibrated against this framework. An attempt is made to match these sequences, which represent a combination of third and fourth order cycles in the Exxon Model, with published sea-level cycle charts for the Early Eocene. © The Geological Society 1993.
Persistent Identifierhttp://hdl.handle.net/10722/151119
ISSN
2015 SCImago Journal Rankings: 0.747

 

DC FieldValueLanguage
dc.contributor.authorAli, JRen_US
dc.contributor.authorKing, Cen_US
dc.contributor.authorHailwood, EAen_US
dc.date.accessioned2012-06-26T06:17:18Z-
dc.date.available2012-06-26T06:17:18Z-
dc.date.issued1992en_US
dc.identifier.citationGeological Society Special Publication, 1992, v. 70 n. 1, p. 99-125en_US
dc.identifier.issn0305-8719en_US
dc.identifier.urihttp://hdl.handle.net/10722/151119-
dc.description.abstractWe present the results of a comprehensive magnetostratigraphic study of early Eocene (Ypresian) sedimentary sequences in the London Basin, Belgium, and the Varengeville outlier of northern France. A re-investigation of part of the lower Eocene section at Whitecliff Bay (Isle of Wight), in the Hampshire Basin, has also been carried out. The palaeomagnetic results from each area are used to refine existing litho- and biostratigraphic correlations. The magnetostratigraphy of the sedimentary sequence in each area is linked to the geomagnetic polarity time-scale using biostratigraphic data from calcareous nannoplankton and dinoflagellates. The Ypresian deposits were laid down during the interval spanning geomagnetic Chrons C24BR to C22R. In the Hampshire Basin, deposition of Lutetian (middle Eocene) sediments extended into Chron C21R, but the apparent absence of a record of Chron C22N suggests an unconformity separating the lower and middle Eocene of between 0.6 and 2.0 Ma in duration, at the basin margin. In this paper, recently acquired Ypresian stratigraphic data are integrated with previously published data, and a high-resolution 'even-stratigraphy' is developed for the Ypresian deposits of the southern margin of the North Sea Basin. A total of ten depositional sequences ('cycles'), probably reflecting eustatic sea-level changes, are calibrated against this framework. An attempt is made to match these sequences, which represent a combination of third and fourth order cycles in the Exxon Model, with published sea-level cycle charts for the Early Eocene. © The Geological Society 1993.en_US
dc.languageengen_US
dc.publisherGeological Society Publishing House. The Journal's web site is located at http://www.geolsoc.org.uk/spen_US
dc.relation.ispartofGeological Society Special Publicationen_US
dc.titleMagnetostratigraphic calibration of early Eocene depositional sequences in the southern North Sea Basinen_US
dc.typeArticleen_US
dc.identifier.emailAli, JR:jrali@hku.hken_US
dc.identifier.authorityAli, JR=rp00659en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1144/GSL.SP.1993.070.01.07en_US
dc.identifier.scopuseid_2-s2.0-0345049858en_US
dc.identifier.volume70en_US
dc.identifier.issue1en_US
dc.identifier.spage99en_US
dc.identifier.epage125en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridAli, JR=7102266465en_US
dc.identifier.scopusauthoridKing, C=7401525600en_US
dc.identifier.scopusauthoridHailwood, EA=7004220927en_US

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