The Ordovician stratigraphy and palaeogeography of the Nida-Holy Cross Mts. area, Poland — a review

Authors

  • Zdzisław Modliński Polish Geological Institute, Rakowiecka 4, PL-00-975 Warszawa
  • Bronisław Szymański Polish Geological Institute, Rakowiecka 4, PL-00-975 Warszawa

Keywords:

Holy Cross Mts., Nida region, Ordovician, biostratigraphy, lithostratigraphy, lithofacies

Abstract

The Ordovician stratigraphy in the Holy Cross Mts. and the Nida region is reviewed. In the Holy Cross Mts. Ordovician rocks have been identified in the Łysogóry and the Kielce segments in tens of outcrops and borehole sections, in the Nida area in three boreholes. The deposits comprise a thin clastic-carbonate succession including palaeontologically dated Tremadoc, Arenig, Llanvirn, Llandeilo, Caradoc and Ashgill sediments. Their lithology, litho- and biostratigraphy and facies distribution are discussed. The most distinct lithofacies boundary and thickness contrast is observed between the Kielce and Łysogóry regions. The former is characterised by carbonates and clastics of shallower shelf with much greater thicknesses. 

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Published

2012-11-23

Issue

Vol. 45 No. 4 (2001)

Section

Articles

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