Děvín, Ostrý a Schachtstein

General Characteristics

County (administration): Liberecký kraj
District (town): Česká Lípa
Village: Hamr na Jezeře
Cadastre: Hamr na Jezeře
Map sheets: 03-31 Mimoň, 03-312 Všelibice
Accessibility: passable footpath
Technical object: old mine workings
ID: 1589


Geology

Short characteristics of the site: Three elevetions are located on the Polzenite dyke, which solidified its country rocks - Cretaceous sandstones. Subsequent selective erosion created a horst in a relatively flat relief.
Regional geologic unit: Bohemian Massif > Tertiary > Tertiary - scaterred relics of alkaline Volcanics;
Bohemian Massif > Cretaceous of the Bohemian Massif > Bohemian Cretaceous Basin
Stratigraphy: Tertiary, Upper Cretaceous
Subject: volcanology, geomorphology, mineralogy, history, economic geology
Geological phenomenon: dyke, incrustation
Genesis: volcanic , weathering , sedimentary
Rock: lamprophyre, polzenite, sandstone


Territorial protection

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, code 1794 (Děvín a Ostrý)
Part of national geopark: Ralsko
Conflicts of interests: tourism


References
  • Mackovčin P., Sedláček M. a Kuncová J. (2002): Chráněná území ČR - Liberecko, Svazek III. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha.
  • Rubáš Dominik, 2012: Krásy neživé přírody v Podještědí, Tiskové centrum ČGS, Praha, 82 s

Elaboration and Updating

Elaborated by: Markéta Lorencová, 23.11.2007
Updated by: Gürtlerová Pavla, 05.09.2009, Rapprich Vladislav, 21.09.2009, Vajskebrová Markéta, 27.09.2017, Gürtlerová Pavla, 13.03.2019


Citation

The database Important geological localities of the Czech Republic: 1589 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/1589.


Location in map:

Assessment

Scientifical assesment: medium
Educational assesment: major
Significance: supraregional
Representativeness: major
Geological importance: geo-historical value, geo-regional value (mapping), geoturistic value
Excursion locality: yes
Locality conditions: no problems

You can send information about a change in the status of the site to lokality@geology.cz


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]