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Sedimentological and Geochemical Records of Lower Cretaceous Carbonate Successions Around Trabzon (NE Turkey): Implications for Paleoenvironmental Evolution and Paleoclimatological Conditions of Tethys

  • Merve ÖzyurtEmail author
  • M. Ziya Kirmaci
  • İ. Ömer Yılmaz
  • Raif Kandemir
Chapter
Part of the Advances in Science, Technology & Innovation book series (ASTI)

Abstract

Upper Jurassic–lower Cretaceous carbonates (Berdiga Fm.) are widely exposed in the NE Turkey. An integrated study of sedimentological and geochemical analysis was carried out on the lower Cretaceous carbonates of Berdiga Fm. in Trabzon area in order to reveal the paleoenvironmental and paleoclimatological conditions of northern Tethyan Ocean. Three microfacies types were identified corresponding to inner to slope environments. Inner platform environment developed during the Hauterivian–Aptian interval. End of the Aptian, syn-sedimentary extensional tectonic regime might probably have caused the progressive deepening of the environment, so the inner platform environment evolved into an outer platform and then into slope during the late Aptian–Albian time. Additionally, δ18O stable isotope values of the belemnites of studied section indicate that paleotemperature ranged between 25 and 26 °C during Aptian–Albian interval. Therefore warm Cretaceous climate conditions were recorded in the Eastern Pontides.

Keywords

Carbonates Paleotemperature Paleoenvironment NE Turkey 

Notes

Acknowledgements

The authors would like to thank Karadeniz Technical University (Project no.: FBA-2015-5160) and TUBİTAK (ÇAYDAG, Project no.: 115Y005 and International PhD Research Scholarship Program-2214-A-BIDEP) for their financial support. The authors wish to thank Prof. Dr. Ihsan Al-Aasm (University of Windsor, Canada) for his support and Prof. Dr. Kemal TASLI (Mersin University, Turkey) for the foraminifera determinations.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Merve Özyurt
    • 1
    Email author
  • M. Ziya Kirmaci
    • 1
  • İ. Ömer Yılmaz
    • 2
  • Raif Kandemir
    • 3
  1. 1.Department of Geological EngineeringKaradeniz Technical UniversityTrabzonTurkey
  2. 2.Department of Geological EngineeringMiddle East Technical UniversityAnkaraTurkey
  3. 3.Department of Geological EngineeringRecep Tayyip Erdoğan UniversityRizeTurkey

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