General Characteristics

County (administration): Liberec Region
District (town): Jablonec nad Nisou
Cadastre: Zlatá Olešnice
Map 1 : 50 000 (sheet No): 0341, 03411
Geological region: Lužice Pluton and Krkonoše-Jizera Massif; Krkonoše-Jizera crystalline complex
Accessibility: - passable footpath
Excursion locality: yes
ID : 3630

Geology

Short characteristics of the site: This locality is situated in slopes overlooking a meandering Kamenice River cut. It is formed by several rocky cliffs made of metabasites of the Železná Brod volcanic complex. It contains lava pillows as broad as 1 metre across. These submarine lva flows are of the Cambrian age and their mineral composition corresponds to the environmental conditions of an origin of green schists. Following minerals prevail: Albite, chlorite, epidote, actinolite and hornblene. Chemical composition corresponds to that of P-MORB basalts. This locality belongs to the Lausatien and Krkonoše-Jizera Massifs.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Lugicum - Krkonoše-Jizerské hory Mts.crystalline complex
Stratigraphy: paleozoikum
Subject: geology, volcanology
Geological phenomenon: deformation fabrics
Genesis: magmatic, metamorphic (general metamorphism)
Rock: greenschist, metabasalt

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Conflicts of interests: without conflicts

References

Patočka, F., Fajst, M., Kachlík, V., 2000. Mafic-felsic to mafic-ultramafic Early Palaeozoic magmatism of the West Sudetes (NE Bohemian Massif): the South Krkonoše Complex. Z. geol. Wiss., 28((1/2)): 177-210.; Klomínský, J., Bělohradský, V., Kachlík, V., Nývlt, D., 2004. Základní geologická mapa České republiky 1: 25 000, 03-143 Liberec. Česká geologická služba, Praha.

Elaboration and Updating

Elaborated by: Kachlík Václav, 11.11.11
Updated by: Kukal Zdeněk 18.09.17

Citation

The database Significant geological localities of the Czech Republic: 3630 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-03]. Available from: http:// lokality.geology.cz/3630.

Location in map: