Vendryně - defilé Olše
General Characteristics
County (administration):
Moravskoslezský kraj
District (town):
Frýdek-Místek
Village:
Vendryně
Cadastre:
Vendryně
Map sheets:
26-11 Jablunkov, 26-111 Bystřice
Accessibility:
no traffic restriction ( by car)
ID:
3493
Geology
Short characteristics of the site:
The 550 m long section along the Olše River at Vendryně is the type locality of the Vendryně Formation (Eliáš et al., 2003) formerly known as the Lower Těšín Beds sensu Menčík et al. (1983). Prevailing lithology are calcareous silty shales with local horizons of biodetritic marlstones with worn small macrofauna (Echinoidea, Crinoidea, Bivalvia, Gastropoda, aptychi etc.). Open joints filled by calcite contain also strontianite and traces of bitumen. The succession is affected by synsedimentary gravity folds and faults. The sediments were deposited in deep-sea conditions in the Late Jurassic (Kimmeridgian?, Tithonian).
Regional geologic unit:
Carpathians > Flysch belt > Outer group of nappes > Silesian Unit
Stratigraphy:
Upper Jurassic
Subject:
stratigraphy, sedimentology, paleontology, mineralogy
Geological phenomenon:
horizontal section, stratotype, fossils fauna
Genesis:
sedimentary
Rock:
claystone, marlstone, pelocarbonate, limestone
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
waste disposal, ground instability
References
- Eliáš, M. – Skupien, P. – Vašíček, Z. (2003): Návrh úpravy litostratigrafického členění nižší části slezské jednotky na českém území (vnější Západní Karpaty). – Sbor. věd. Prací VŠB-TU Ostrava, 49, řada hornic.-geol., monografie 8, 7-13. Menčík, E. et al. (1983): Geologie Moravskoslezských Beskyd a Podbeskydské pahorkatiny. – Ústř. Úst. geol. 1–304, Praha. Řehoř, F. – Řehořová, M. - Vašíček, Z. (1978): Za zkamenělinami severní Moravy. – Ostravské muzeum, 1-279, Ostrava
Elaboration and Updating
Elaborated by:
Miroslav Bubík, 05.04.2012
Updated by:
Citation
The database Important geological localities of the Czech Republic: 3493 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3493.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
middle
Significance:
international
Representativeness:
major
Geological importance:
significant study profile
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
