General Characteristics

County (administration): Liberec Region
District (town): Semily
Cadastre: Hnanice pod Troskami, Štěpánovice u Rovenska pod Troskami
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 : 70

Geology

Short characteristics of the site: Forested rocky ridge with rock cities (castellated sandstones). Sediments consist of quartzose sandstones of the Upper Cretaceous age. Numerous forms of bedding, interesting sedimentary textures, ironstones in sandstones and weathering phenomena appear. Geologically and geomorphologically interesting locality.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - turon
Subject: geomorphology, geology, sedimentology
Geological phenomenon: cuesta, incrustation, canyon, rock salient, characteristic rock
Genesis: sedimentary
Rock: sandstone

Territorial conservation

Level of protection: Nature monument
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 the Geopark: Bohemian Paradise
Conflicts of interests: without conflicts, recreation

References

Adamovič, J., Cílek, V. eds. (2002): Železivce české křídové pánve. - Knih. čes. speleolog. společnosti, 38, 1-172. Praha.; Tima, V. et al. (v tisku): Geologická mapa 1 : 50 000 list 03-34 Sobotka. - ČGÚ, Praha. Mackovčin P., Sedláček M. a Kuncová J. (2002): Chráněná území ČR - Liberecko, Svazek III. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha, 331 s.; 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: Pražák Jiří, 01.11.94
Updated by: Lorencová Markéta 26.06.07, Čech Stanislav 07.11.09, Čech Stanislav 12.11.11

Citation

The database Significant geological localities of the Czech Republic: 70 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-12-04]. Available from: http:// lokality.geology.cz/70.

Location in map: