Newly discovered Early Miocene deposits in the Nowy Sącz area (Magura Nappe, Polish Outer Carpathians)

Authors

  • Nestor OSZCZYPKO Institute of Geological Sciences, Jagiellonian University, Oleandry 2a, 30-063Kraków
  • Marta A. OSZCZYPKO-CLOWES Institute of Geological Sciences, Jagiellonian University, Oleandry 2a, 30-063Kraków

Keywords:

Outer Carpathians, Magura Nappe, Early Miocene, calcareous nannoplankton, palaeotectonic implications

Abstract

In the Nowy Sącz area Early Miocene marine deposits have been discovered in the southern part of the Raca Subunit, and at the front of the Bystrica Subunit of the Magura Nappe. These deposits belong to the Zawada Formation, which is represented by medium- to thick-bedded glauconitic sandstones with intercalations of thick-bedded marls and marly claystones. The formation is at least 550 m thick. Calcareous nannofossils show the age of the formation to be Early Burdigalian (NN1-2-3 biozones). Due to a lack of exposures the relationship between the deposits of the Malcov and the Zawada formations is not yet clear. However, comparing the youngest age of the Malcov Formation in the Nowy Sšcz I borehole (NP 25) with the age of the Zawada Formation suggests sedimentary continuity transition between these formations.

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Published

2002-06-30

Issue

Vol. 46 No. 2 (2002)

Section

Articles

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