Publisher © Czech Geological Survey, ISSN: 2336-5757 (online), 0514-8057 (print)

Lower Cretaceous limestones accompanying the Štramberk Limestones on the 7th level in the Kotouč quarry at Štramberk


Pavlína Doupovcová, Petr Skupien

Geoscience Research Reports 50, 2017, pages 279–283

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Published online: 18 December 2017

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The Štramberk Limestone (Tithonian - Lower Berriasian) in the Kotouč quarry is accompanied by younger stratigraphically different rocks, especially marlstones and claystones. During the quarrying in 2015, a part of the Lower Cretaceous sediments accompanying Štramberk Limestone was documented in the eastern part of the 7th level of the quarry (GPS 49.5839983N, 18.1205628E). These lithologically different rocks are consist of gray and green-gray limestones and marlstones of the Čupek Formation and by dark gray claystones and siltstones of the Plaňava Formation.
Calpionellids and calcareous dinoflagellate algae identified in the studied rocks were used for stratigraphic evaluation. Representatives of calpionellids are as follows: Calpionella alpina (Lorenz), Calpionella elliptica (Cadisch), Calpionella minuta (Houša), Crassicollaria parvula (Remane), Crassicollaria massutiniana (Colom), Crassicollaria brevis (Remane), Calpionellopsis oblonga (Cadisch), Lorenziella hungarica (Knauer and Nagy), Tintinopsella carpathica (Murgeanu and Filipescu) and Tintinopsella subacuta (Colom). This calpionellid association is typical of the latest Tithonian to the Upper Berriasian age.