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Late Cretaceous stratigraphy in the Mudurnu-Goynuk Basin (Turkey) and inferences on sea-level change in the Late Campanian to Early Maastrichtian
Date
2020-01-01
Author
Wolfgring, Erik
Wagreich, Michael
Yılmaz, İsmail Ömer
Liu Shasha, Liu Shasha
Boehm, Katharina
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Upper Cretaceous strata at Goynuk, northwestern Anatolia, Turkey, provide a geological record of the Campanian-Maastrichtian from the Sakarya Terrane along the active Neotethys margin. Shales and shaly marls with siliciclastic and volcaniclastic intercalations indicate a pelagic palaeoenvironment rich in planktonic and benthonic foraminifera and calcareous nannofossil assemblages. A composite record from the Campanian to the Maastrichtian records nannofossil standard zones UC15c (CC21) to UC20a (CC26) as well as the Globotrunanella havanensis planktonic foraminifera Zone to the Racemiguembelina fructicosa planktonic foraminifera Zone. The complete 'mid'-Campanian to early Maastrichtian composite section can be correlated to other western Tethyan sections. The Campanian-Maastrichtian boundary is positioned between the first occurrence of the planktonic foraminifera Gansserina gansseri and the last occurrence of the nannofossil Uniplanarius trifidus. Clastic input and higher sedimentation rates constrain regional sea-level lowstands around the late Campanian calcarata Zone and the Campanian-Maastrichtian boundary, corresponding to the Campanian-Maastrichtian boundary event.
Subject Keywords
Geology
,
Ocean Engineering
,
Water Science and Technology
URI
https://hdl.handle.net/11511/44887
Journal
CRETACEOUS CLIMATE EVENTS AND SHORT-TERM SEA-LEVEL CHANGES
DOI
https://doi.org/10.1144/sp498-2018-145
Collections
Department of Geological Engineering, Article
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BibTeX
E. Wolfgring, M. Wagreich, İ. Ö. Yılmaz, L. S. Liu Shasha, and K. Boehm, “Late Cretaceous stratigraphy in the Mudurnu-Goynuk Basin (Turkey) and inferences on sea-level change in the Late Campanian to Early Maastrichtian,”
CRETACEOUS CLIMATE EVENTS AND SHORT-TERM SEA-LEVEL CHANGES
, vol. 498, pp. 129–146, 2020, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/44887.