General Characteristics

County (administration): Central Bohemia Region
District (town): Rakovník
Cadastre: Lány
Map 1 : 50 000 (sheet No): 1214, 12144
Geological region: Barrandian Proterozoic; Tisá and Čistá-Jesenice massifs
Accessibility: - entry permit for car necessary
Technical object: guarry
ID : 3163

Geology

Short characteristics of the site: This locality is called "The spilites at the Klíčov dam". Local quarry exposes slightly metamorphosed basalt. It is of Neoproterozoic age, fine grained, of greygreen colour. This basalt is albitized and numerous thin veinlets cut its body. At the spilite margin concordant contact with Neoproterozoic sediments and metasediments can be observed.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: proterozoikum
Subject: petrology, volcanology
Geological phenomenon: outcrop, characteristic rock
Genesis: volcanic
Rock: spilite

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
Conflicts of interests: others human activity, forestry

References

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

Elaboration and Updating

Elaborated by: Stárková Marcela, 13.06.08
Updated by: Stárková Marcela 15.12.15

Citation

The database Significant geological localities of the Czech Republic: 3163 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-05]. Available from: http:// lokality.geology.cz/3163.

Location in map: