Biostratigraphic correlation between Lower Cretaceous deposits in the central region of East-European Platform and the Polish Lowlands

Authors

  • Sylwester Marek Polish Geological Institute, Rakowiecka 4, PL-00-975 Warszawa
  • Natalia Shulgina ---

Abstract

The Russian Platform and the Polish Lowlands were independent provinces in the Lower Cretaceous within the uniform zoogeographic Boreal-Atlantic Realm: the East-European and the Polish Province. Boreal ammonites dominated over the Russian Platform in the Berriasian, Valanginian, and Hauterivian, while in the Albian-Aptian the Tethyan ammonites of wide areal extent played essential part also in the boreal province. A mixed type of Boreal-Tethyan fauna appeared in the Polish Lowlands, with southern species dominating in the Berriasian, Late Valanginian, and Middle and Later Albian. The boreal ammonites were dominating in the Early Valanginian and Hauterivian. Common boreal species are of decisive importance for correlation of the Lower Cretaceous in both provinces including such genera as Riasanites, Surites, Borealites, Polyptychites, Dichotomites, and Simbirskites.

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Published

2013-02-13

Issue

Vol. 40 No. 1 (1996)

Section

Articles

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