Hlavatá skála u Rokytnice
General Characteristics
County (administration):
Liberecký kraj
District (town):
Semily
Village:
Hrubá Skála
Cadastre:
Hrubá Skála
Map sheets:
03-34 Sobotka, 03-342 Rovensko p.T.
Accessibility:
passable footpath
ID:
3235
Geology
Short characteristics of the site:
Bohemian Cretaceous Basin. Isolated rock pillar exposing whitish quartzose sandstones. Current bedding, indicating deltaic or submarine dune environment, is abundant. Sandstones are of variable grain size. Nearby hydrogeological drilling reached flyschoid facies and calcareous sandstones of the Teplice Formation.
Regional geologic unit:
Bohemian Massif > Cretaceous of the Bohemian Massif > Bohemian Cretaceous Basin > Bohemian Cretaceous Basin - Jizera development
Stratigraphy:
Upper Cretaceous
Subject:
geomorphology, geology, sedimentology
Geological phenomenon:
rock
Genesis:
sedimentary
Rock:
sandstone
Territorial protection
Level of protection:
Interesting geological localities in Protected landscape area
Part of LEPA (Large-size especially protected areas):
Český ráj
Part of national geopark:
Bohemian Paradise
Conflicts of interests:
ground instability
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:
Stanislav Čech, 15.07.2010
Updated by:
Čech Stanislav, 12.11.2011, Kukal Zdeněk, 26.11.2012
Citation
The database Important geological localities of the Czech Republic: 3235 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3235.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
major
Geological importance:
geoturistic value
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
