NANOPLANKTON WAPIENNY GÓRNOKREDOWYCH FACJI PELAGICZNYCH JEDNOSTKI PODŚLĄSKIEJ POLSKICH KARPAT FLISZOWYCH

Małgorzata Jugowiec-Nazarkiewicz

Abstract


CALCAREOUS NANNOPLANKTON FROM UPPER CRETACEOUS PELAGIC FACIES OF THE SUBSILESIAN UNIT, POLISH OUTER CARPATHIANS

Abstract. In pelagic sediments of the Subsilesian Unit (Węglówka marls, Frydek-type marls, Żegocina marls and Rybie sandstones) and in the bakulit marls from the Skole Unit, and in marls from Bonarka in Silesian-Cracow Monocline many forms of calcareous nannoplankton of Campanian-Maastrichtian age were noted. Distinguishing of several nannoplankton assemblage zones allowed for more detailed time resolution of the studied sediments. Existing of the connection between the boreal and Tethyan realms in Polish Outher Carpathians during Campanian/Maastrichtian has been confirmed. Calcareous nannoplankton of the bakulit marls (Skole Unit) appeared similar to that from the Frydek-type marls (Subsilesian Unit). No continuous transition between sediments of the Maastrichtian and Danian within the studied Subsilesian Unit has been stated. Transition between Boreal and Tethyan realms on the Polish Outher Carpathians area, during Campanian and Maastrichtian age are confirmed.


Keywords


nanoplankton wapienny, paleobiogeografia, biostratygrafia, kampan, mastrycht, jednostka podśląska, Karpaty zewnętrzne.

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