Ptačí kupy
General Characteristics
County (administration):
Liberecký kraj
District (town):
Liberec
Village:
Hejnice
Cadastre:
Hejnice
Map sheets:
03-14 Liberec, 03-142 Hejnice
Accessibility:
passable footpath
ID:
2854
Geology
Short characteristics of the site:
Krkonoše-Jizera crystalline. Lusatian Massif and Krkonoše-Jizera Massifs. Strongly porphyritic granodiorite. Due to its deep selective weathering this rock is mechanically wweathered into mound-like forms which are unique in this area.
Regional geologic unit:
Bohemian Massif > Lugicum > Magmatites of Lugicum
Stratigraphy:
Devonian - Permian
Subject:
geomorphology, botany, petrology
Geological phenomenon:
rock, rock pillar, frost cliff, characteristic rock
Genesis:
frost weathering, magmatic
Rock:
granite
Territorial protection
Level of protection:
Nature reserve in Protected landscape area
Part of LEPA (Large-size especially protected areas):
Jizerské hory
Additional information:
See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR, code 346 (Ptačí kupy)
Conflicts of interests:
without conflicts
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, 331 s.
Elaboration and Updating
Elaborated by:
Markéta Lorencová, 23.11.2007
Updated by:
Mrázová Štěpánka, 26.06.2009, Mrázová Štěpánka, 21.10.2009
Citation
The database Important geological localities of the Czech Republic: 2854 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/2854.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
supraregional
Representativeness:
middle
Geological importance:
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
