Facies characteristics of Jurassic-Lower Cretaceous successions at Kosrelik-KosrelikA +/- zA +/- gA +/- (North of Ankara, Turkey)

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dc.contributor.authorDelikan, Arif
dc.contributor.authorAtasagun, Nesrin
dc.date.accessioned2020-03-26T19:53:58Z
dc.date.available2020-03-26T19:53:58Z
dc.date.issued2018
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractJurassic-Lower Cretaceous rocks in the Kosrelik and KosrelikA +/- zA +/- k areas (North of Ankara, Central Turkey) which were deposited in a tectonically controlled basin have outcrops in a very restricted area but they carry very important evidences for elucidating the Late Jurassic paleogeography of the Ankara region subjected to heavy tectonic activities during Hettangian-Oxfordian, especially during Sinemurian. Detailed facies analysis of sequences in the study area indicates that the deposition took place in two different tectonically controlled depositional settings, 3 km apart from each other. At the east of the study area, the succession is represented by Hettangian-Sinemurian aged basin sediments lying on the basement rocks with angular unconformity, but succession at the west comprises sediments of Oxfordian pelagic carbonate platform (PCP) overlying the basement rocks with angular unconformity. The PCP sediments were overlapped by radiolaria bearing pelagic limestone, Oxfordian-early Cretaceous in age, under relatively calm environmental conditions. Anomalies in C and O isotopes, trace elements and rare earth element values coincide with the periods of fast changes in the environmental conditions. The sedimentological and geochemical data indicated that the area was deepened and shallowed several times until early Cretaceous.en_US
dc.description.sponsorshipSelcuk University Scientific Research Found (BAP) [10201116]en_US
dc.description.sponsorshipThis work was supported by Selcuk University Scientific Research Found (BAP, Project Number: 10201116). The authors thank Prof. Dr. Fusun ALKAYA for determining the taxonomy of ammonites in the study area. We thank Prof. Dr. Hukmu Orhan for constructive comments that improved the manuscript. We also thank anonymous reviewers for their valuable comments.en_US
dc.identifier.doi10.1007/s13146-017-0348-3en_US
dc.identifier.endpage402en_US
dc.identifier.issn0891-2556en_US
dc.identifier.issn1878-5212en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage375en_US
dc.identifier.urihttps://dx.doi.org/10.1007/s13146-017-0348-3
dc.identifier.urihttps://hdl.handle.net/20.500.12395/36631
dc.identifier.volume33en_US
dc.identifier.wosWOS:000441321800003en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.ispartofCARBONATES AND EVAPORITESen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectAnkaraen_US
dc.subjectJurassicen_US
dc.subjectAmmonitico rossoen_US
dc.subjectPelagic ooliteen_US
dc.subjectPCPen_US
dc.subjectHardgrounden_US
dc.titleFacies characteristics of Jurassic-Lower Cretaceous successions at Kosrelik-KosrelikA +/- zA +/- gA +/- (North of Ankara, Turkey)en_US
dc.typeArticleen_US

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