General Characteristics
County (administration): Liberec Region
District (town): Semily
Cadastre: Holenice
Map 1 : 50 000 (sheet No): 0334, 03342
Geological region: Czech Cretaceous Basin - Labe & Čáslav Cretaceous; Cretaceous of the Dlouhá mez
Accessibility: - access without footpath
Technical object: collapse sink, prospection hole
ID : 3210
Geology
Short characteristics of the site: Bohemian Cretaceous Basin, Permocarboniferous of the Krkonoše Piedmont Basin. Morphologically distinct ridge with a series of abandoned small shafts in a line 400 m long. Limestones were exploited there only for a local use. Limestone layer is enclosed in reddish silstones and claystones of the Autunian (Early Permian) age. Limestones consist of microsparites and sparites with some bioclasts.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Lugic Late Palaeozoicum (including Triassic deposits)
Stratigraphy: paleozoikum - perm - svrchní perm
Subject: lithology, mining and mining impacts
Geological phenomenon: outcrop
Genesis: sedimentary
Rock: limestone
Territorial conservation
Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Part of the Geopark: Bohemian Paradise
Conflicts of interests: without conflicts
References
Čech, S., et.al. (2011): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-342 Rovensko pod Troskami. - Česká geologická služba. Praha. Elaboration and Updating
Elaborated by: Čáp Pavel, 14.07.10
Updated by: Čech Stanislav 12.11.11 Citation
The database Significant geological localities of the Czech Republic: 3210 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-03-28]. Available from: http:// lokality.geology.cz/3210. Location in map:
Links to neighbouring localities within 2 km radius are available on mouse click in the map window. |