General Characteristics

County (administration): Central Bohemia Region
District (town): Kladno
Cadastre: Dolní Bezděkov
Map 1 : 50 000 (sheet No): 1223, 12233
Geological region: Barrandian Proterozoic; Tisá and Čistá-Jesenice massifs
Accessibility: - no traffic restriction ( by car)
ID : 3781

Geology

Short characteristics of the site: Cliff exposing slightly metamorphosed basalt (spilite) of Proterozoic age. It cntains numerous calcite veins and lenses together with aggregates of prismatic crystals of pumpellyite.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: proterozoikum - neoproterozoikum (1000 - 542 Ma)
Subject: geology, volcanology
Geological phenomenon: lava, rock
Genesis: volcanic
Rock: spilite

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: vegetation

References

Cháb J.- Bernardová E. (1974): Prehnite and pumpellyite in Upper Proterozoic basalts of the NW part of the Barrandian.- Krystalinikum, 10, 53-65, Praha.; M.Stárková et al. (2014): Vysvětlivky ke geologické mapě 12-233 list Unhošť. - MS Archív ČGS Praha.

Elaboration and Updating

Elaborated by: Mašek Jan, 03.07.01
Updated by: Gürtlerová Pavla 20.10.15

Citation

The database Significant geological localities of the Czech Republic: 3781 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-01]. Available from: http:// lokality.geology.cz/3781.

Location in map: