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1 2002

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

Oszczypko N., Oszczypko-Clowes M. A.

Geological Quarterly

2002

Vol. 46, No 2

117-134

In the Nowy Sącz area Early Miocene marine deposits have been discovered in the southern part of the Rača 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 Sącz I borehole (NP 25) with the age of the Zawada Formation suggests sedimentary continuity transition between these formations.