Upper Cretaceous planktonic foraminiferal biostratigraphy from NW Turkey: calibration of the stratigraphic ranges of larger benthonic foraminifera

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dc.contributor.authorOzkan-Altiner, S
dc.contributor.authorOzcan, E
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued1999
dc.departmentNiğde ÖHÜ
dc.description.abstractPlanktonic and larger benthonic foraminifers of the Upper Cretaceous (Santonian-Maastrichtian)-Lower Tertiary (Danian) rock units from north, northwest and central Anatolian fore-are basins have been investigated in order to improve the biostratigraphic resolution of this time interval. Total abundance and diversity of planktonic foraminifers vary from rare (the sequence from the Haymana region) to high (the sequences from the Cide, Caycuma, Hanonu and Yenikonak regions) and preservation is poor to moderate due to lithologic variation. First and last appearances of the planktonic foraminifera evaluated as major bio-events have been used to establish the biostratigraphic framework. Planktonic foraminiferal zonation from bottom to top of the succession consists of zones defined by Dicarinella concavata, Dicarinella asymetrica, Globotruncanita elevata, Globotruncana, ventricosa, Radotruncana calcarata, Globotruncanella havanensis, Globotruncana aegyptiaca, Gansserina gansseri, Abathomphalus mayaroensis and Morozovella pseudobulloides. Ten Orbitoides and Lepidorbitoides species have been identified. The different phylogenetic development stages of Orbitoides and Lepidorbitoides populations and other larger benthonic foraminifers, Pseudosiderolites vidali, Siderolites calcitrapoides, Siderolites denticulatus, Omphalocylus macroporus, Cideina sozerii, Hellenocyclina beotica, and Clypeorbis mamillata have been calibrated with the planktonic foraminiferal zonation established in the same successions. Hence, an integrated zonational scheme composed of planktonic foraminifers and larger benthonic foraminifers has allowed a detailed stratigraphy of these successions to be erected. Copyright (C) 1999 John Wiley & Sons, Ltd.
dc.identifier.doi10.1002/(SICI)1099-1034(199907/09)34:3<287
dc.identifier.endpage301
dc.identifier.issn0072-1050
dc.identifier.issn1099-1034
dc.identifier.issue3
dc.identifier.scopus2-s2.0-0033509761
dc.identifier.scopusqualityQ2
dc.identifier.startpage287
dc.identifier.urihttps://dx.doi.org/10.1002/(SICI)1099-1034(199907/09)34:3<287
dc.identifier.urihttps://hdl.handle.net/11480/5805
dc.identifier.volume34
dc.identifier.wosWOS:000085050300006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherWILEY
dc.relation.ispartofGEOLOGICAL JOURNAL
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectplanktonic foraminifera
dc.subjectbiostratigraphy
dc.subjectbenthonic foraminifera
dc.subjectcalibration
dc.subjectLate Cretaceous
dc.subjectNW Anatolia
dc.subjectTurkey
dc.titleUpper Cretaceous planktonic foraminiferal biostratigraphy from NW Turkey: calibration of the stratigraphic ranges of larger benthonic foraminifera
dc.typeArticle

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