Drahoňovice - pleistocenní štěrky
General Characteristics
County (administration):
Liberecký kraj
District (town):
Semily
Village:
Vyskeř
Cadastre:
Vyskeř
Map sheets:
03-34 Sobotka, 03-342 Rovensko p.T.
Accessibility:
access without footpath
ID:
3225
Geology
Short characteristics of the site:
Bohemian Cretaceous Basin, Quaternary gravel. Layer of Pleistocene gravel and sand 70 cm thick. Contact with underlying Cretaceous sandstones is also exposed. Pebble size is 2 -5 cm, maximum size 10 cm. Gravel is of petromictic character with quartz, phyllite, granitoid, mica schist and gneiss pebbles. Gravels are underlain by weathered Cretaceous sandstones and quadersandstones.
Regional geologic unit:
Bohemian Massif > Cretaceous of the Bohemian Massif > Bohemian Cretaceous Basin > Bohemian Cretaceous Basin - Jizera development
Stratigraphy:
Upper Cretaceous
Subject:
quaternary geology
Geological phenomenon:
outcrop
Genesis:
sedimentary
Rock:
sand
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:
Tomáš Hroch, 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: 3225 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3225.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
minor
Geological importance:
geo-regional value (mapping)
Locality conditions:
acceptable
You can send information about a change in the status of the site to lokality@geology.cz
