General Characteristics

County (administration): Central Bohemia Region
District (town): Rakovník
Cadastre: Zbečno
Map 1 : 50 000 (sheet No): 1214, 12144
Geological region: Barrandian Proterozoic; Tisá and Čistá-Jesenice massifs
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 2866

Geology

Short characteristics of the site: The rock outcrop in road cut near Zbečno settlement. Two andesite veins of Palaeozoic age pierce bodies of the Neoproterozoic greywacke. The thickness of andesite veins is 5 metres and 2.5 metres. Andesite rock contains omnioriented feldspar phenocrysts.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Magmatites in Bohemicum
Stratigraphy: paleozoikum
Subject: geology, volcanology, petrology
Geological phenomenon: intrusion, dyke
Genesis: volcanic
Rock: andesite

Territorial conservation

Level of protection: Interesting geological localities in Protected landscape area
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Křivoklátsko
Part of the Geopark: Barrandien
Conflicts of interests: vegetation

References

Vorel T. (2006) in Stárková M. a kol.: Vysvětlivky k základní geologické mapě České republiky 1: 25 000 list Lány.

Elaboration and Updating

Elaborated by: Vorel Tomáš, 13.06.08
Updated by: Vorel Tomáš 16.12.15

Citation

The database Significant geological localities of the Czech Republic: 2866 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-26]. Available from: http:// lokality.geology.cz/2866.

Location in map: