General Characteristics

County (administration): Liberec Region
District (town): Semily
Cadastre: Karlovice
Map 1 : 50 000 (sheet No): 0334, 03342
Geological region: Czech Cretaceous Basin - Labe & Čáslav Cretaceous; Cretaceous of the Dlouhá mez
Accessibility: - passable footpath
Excursion locality: yes
ID : 3227

Geology

Short characteristics of the site: Bohemian Cretaceous Basin. Hrubá Skála Rock City (castellated sandstones), part of the UNESCO Geopark the Bohemian Paradise. System of sandstone pillars and columns and other attractive relief forms. Two sandstone bodies can be recognized, formed by prograding sandy delta. Erosional contacts and washout textures are filled by deposits of gravitational currents.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída
Subject: sedimentology, geomorphology
Geological phenomenon: castellated rocks, rock pillar, bedding
Genesis: sedimentary
Rock: sandstone

Territorial conservation

Level of protection: Nature reserve in Protected landscape area
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area (declared as Geological and Biological Locality)
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Český ráj
Part of the Geopark: Bohemian Paradise
Conflicts of interests: tourism

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.; ULIČNÝ, D. (2001): Depositional systems and sequence stratigraphy of coarse-grained deltas in a shallow marine, strike-slip setting: the Bohemian Cretaceous Basin, Czech Republic. – Sedimentology, 48, 599–628. ; ULIČNÝ, D. – ČECH, S. – GRYGAR, R. (2003): Day 2. Tectonics and Depositional Systems of a Shallow-Marine, Intra-Continental Strike-Slip Basin: Exposures of the Český ráj Region, Bohemian Cretaceous Basin. Excursion Guide. 8th Meeting of the Czech tectonic Studies Group. Hrubá Skála Chateau, Czech Republic, April 24-27, 2003. – Geolines, 16, 133–148.

Elaboration and Updating

Elaborated by: Čech Stanislav, 15.07.10
Updated by: Čech Stanislav 12.11.11, Kukal Zdeněk 26.11.12

Citation

The database Significant geological localities of the Czech Republic: 3227 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/3227.

Location in map: