General Characteristics

County (administration): Liberec Region
District (town): Semily
Cadastre: Košťálov
Map 1 : 50 000 (sheet No): 0341, 03413
Geological region: Permo-Carboniferous of the Krkonoše-piedmont and Lower Silesian basins
Accessibility: - passable footpath
ID : 872

Geology

Short characteristics of the site: Railway cut with outcrops of red sandstones and conglomerates of the upper part of Semily Formation (Carboniferous, Stephanian C) in Čikvásky Anticline. A lenticular layer of grey siltstone and mudstone, containing fossil flora is in the middle of the outcrop. Ore mineralisation is connected with grey mudstone layer and sandstone nearby. Following minerals were found: ankerite, azurite, bornite, chalkosine, pyrite, chalkopyrite, cuprite and pure copper.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Lugic Late Palaeozoicum (including Triassic deposits)
Stratigraphy: paleozoikum - karbon
Subject: paleontology, stratigraphy, mineralogy
Geological phenomenon: rock, outcrop, fossils-flora
Genesis: sedimentary
Rock: conglomerate, sandstone

Territorial conservation

Level of protection: Registered geological localities suggested for protection
Protection of a geol. phenomenon: B - Geological phenomenon is the reason for a recommendation to the protection
Part of the Geopark: Bohemian Paradise
Conflicts of interests: vegetation

References

Kaiser T. a kol./1962/: Legenda k mapě nerostných surovin, list Hradec Králové.-ÚÚG Praha 1962,p.10.Praha.; Tuček K./1970/: Naleziště českých nerostů a jejich literatura 1951-1965.-NČSAV Praha, p.298-299.Praha.; Ziegler V./1977/: Geologické poměry chráněné krajinné oblasti Český ráj.- Bohemia centralis,6,p.7-42.Praha.; Prouza V., Tásler R., in Pešek J. et al. (2001): Geologie a ložiska svrchnopaleozoických limnických pánví České republiky. - Český geologický ústav, 243 s. Praha.

Elaboration and Updating

Elaborated by: Ziegler Václav, 22.11.93
Updated by: Prouza Vladimír 21.05.03, Prouza Vladimír 24.09.09

Citation

The database Significant geological localities of the Czech Republic: 872 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-08]. Available from: http:// lokality.geology.cz/872.

Location in map: