General Characteristics

County (administration): Liberec Region
District (town): Liberec
Cadastre: Hejnice
Map 1 : 50 000 (sheet No): 0314, 03142
Geological region: Lužice Pluton and Krkonoše-Jizera Massif; Krkonoše-Jizera crystalline complex
Accessibility: - access without footpath
ID : 3570

Geology

Short characteristics of the site: Krkonoše-Jizera Massif. Natural outcrops in a river bed and overlooking slope. They exhibit porphyric biotite granite and basalt veins. Parts of granite bodies are strongly affected by cataclastic processes. Basalt veins are subvertical. Interesting relief, several small waterfalls can be found in a river channel. Nature reserve in a Protected Landscape Area.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Lugicum - Magmatites of Lugicum
Stratigraphy: variské (hercynské) stáří vyvřelin
Subject: structural geology, petrology, geomorphology
Geological phenomenon: deformation fabrics, waterfall
Genesis: magmatic, tectonic
Rock: granite, basaltoid (basaltic-rock)

Territorial conservation

Level of protection: Nature reserve in Protected landscape area
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 LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Jizerské hory
Conflicts of interests: without conflicts

References

Mrázová Š. , Verner. K., red. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-142 Hejnice a 03-231 Jizerka. - Česká geologická služba. Praha.

Elaboration and Updating

Elaborated by: Mrázová Štěpánka, 05.09.12
Updated by: Kukal Zdeněk 05.12.17

Citation

The database Significant geological localities of the Czech Republic: 3570 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-03]. Available from: http:// lokality.geology.cz/3570.

Location in map: