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STRATI 2013Dinocyst Stratigraphy and Palaeoenvironmental Interpretation of the Cretaceous–Palaeogene Boundary at Stevns Klint, Denmark

STRATI 2013: Dinocyst Stratigraphy and Palaeoenvironmental Interpretation of the... [There has been some doubt cast upon the results of dinoflagellate cyst studies previously undertaken at Stevns Klint, Denmark, one of the classic outcrops of the Cretaceous–Palaeogene (K–Pg) boundary. A re-examination of both the uppermost Maastrichtian chalks and an expanded section of the Fish Clay (Fiskeler Member) has identified some differences between our findings and the earlier work. The white coccolith chalk of the uppermost Maastrichtian (Sigerslev Member) is placed in the Palynodinium grallator Zone. The last occurrence of P. grallator lies within the Højerup Member, which represents a shallower-water marine succession that is characterized by a series of dune-like structures. This confirms a latest Maastrichtian age for the P. grallator Zone. Within the Fiskeler Member, a number of new taxa appear, including Carpatella cornuta, Xenicodinium reticulatum, and Fibrocysta spp. The highest samples in the Fiskeler Member indicate a progressive transition towards more proximal environments, with no dinoflagellate cysts recorded, having been replaced in the samples by pollen grains.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

STRATI 2013Dinocyst Stratigraphy and Palaeoenvironmental Interpretation of the Cretaceous–Palaeogene Boundary at Stevns Klint, Denmark

Part of the Springer Geology Book Series
Editors: Rocha, Rogério; Pais, João; Kullberg, José Carlos; Finney, Stanley
Fitz Patrick, Meriel E. J.; Hart, Malcolm B.; Forber, David A.
STRATI 2013 — Apr 24, 2014
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Publisher
Springer International Publishing
Copyright
© Springer International Publishing Switzerland 2014
ISBN
978-3-319-04363-0
Pages
33 –36
DOI
10.1007/978-3-319-04364-7_7
Publisher site
See Chapter on Publisher Site

Abstract

[There has been some doubt cast upon the results of dinoflagellate cyst studies previously undertaken at Stevns Klint, Denmark, one of the classic outcrops of the Cretaceous–Palaeogene (K–Pg) boundary. A re-examination of both the uppermost Maastrichtian chalks and an expanded section of the Fish Clay (Fiskeler Member) has identified some differences between our findings and the earlier work. The white coccolith chalk of the uppermost Maastrichtian (Sigerslev Member) is placed in the Palynodinium grallator Zone. The last occurrence of P. grallator lies within the Højerup Member, which represents a shallower-water marine succession that is characterized by a series of dune-like structures. This confirms a latest Maastrichtian age for the P. grallator Zone. Within the Fiskeler Member, a number of new taxa appear, including Carpatella cornuta, Xenicodinium reticulatum, and Fibrocysta spp. The highest samples in the Fiskeler Member indicate a progressive transition towards more proximal environments, with no dinoflagellate cysts recorded, having been replaced in the samples by pollen grains.]

Published: Apr 24, 2014

Keywords: Dinocyst stratigraphy; Cretaceous–Palaeogene boundary; Stevns Klint; Denmark

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