A new Triassic-Jurassic section in the southern part of the Holy Cross Mts. (Poland) implications for palaeogeography

Authors

  • Małgorzata Kozłowska University of Warsaw
  • Marcin Barski University of Warsaw
  • Radosław Mieszkowski
  • Katarzyna Antoszewska

DOI:

https://doi.org/10.7306/gq.1259

Keywords:

sedimentology, fluvial deposits, shallow marine deposits, Middle Jurassic transgression, dinoflagellate cysts, stratigraphy, electrical resistivity tomography (ERT)

Abstract

Sedimentological, stratigraphical and geophysical studies across a new Triassic-Jurassic transition section in the Holy Cross Mts., Poland have revealed a large sedimentary hiatus embracing the entire latest Triassic–Early Jurassic – earliest  Middle Jurassic time interval and yielded new data on the Triassic fluvial system and on Middle Jurassic shallow marine sedimentation. The presence of organic-walled dinoflagellate cysts allowed a precise age assignment of the black clay facies. Regional discussions and comparisons may be made with other areas with a similar depositional environment in Poland. For the first time a counterpart of the “Kościeliskie Beds” lithostratigraphic unit is proposed to exist in the Holy Cross Mts. area 

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Published

2015-11-20

Issue

Vol. 60 No. 2 (2016)

Section

Thematic issue

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