General Characteristics

County (administration): Central Bohemia Region
District (town): Kladno
Cadastre: Slaný
Map 1 : 50 000 (sheet No): 1221, 12213
Geological region: Permo-Carboniferous and Tertiary of the Central Bohemian & Western Bohemian limnic regions
Accessibility: - no traffic restriction ( by car)
Technical object: guarry
Excursion locality: yes
ID : 2503

Geology

Short characteristics of the site: Bohemian Tertiary, volcanic formations. Isolated elevation overlooking the Slaný City and surrounding landscape. Old quarry exposed attractive columnar jointing of Tertiary olivine nephelinite (basalt variety). This jointing, fracturing and some other relief phenomena are visible also on the opposite elevation slope. Local geology is described along a nauture trail.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - neogén - miocén
Subject: volcanology, archeology, botany, geomorphology, mining and mining impacts
Geological phenomenon: pseudocrast cave, lava, stony organ, characteristic rock
Genesis: volcanic , weathering
Rock: basaltoid (basaltic-rock)

Territorial conservation

Level of protection: Nature monument
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)
Conflicts of interests: vegetation

References

Rapprich, V. (2012): Za sopkami po Čechách, Grada, České Budějovice, 240 str.; Janoška, M. (2013): Sopky a sopečné vrchy České republiky, Academia, Praha, 415 str.; Knížetová L., Pecina P., Pivničková M., 1987: Prověrka maloplošných chráněných území a jejich návrhů ve Středočeském kraji v letech 1982 - 85.- Bohemia centralis, sv. 16, str. 70, Středisko státní památkové péče a ochrany krajiny Středočeského kraje, Praha.

Elaboration and Updating

Elaborated by: Knížetová Ludmila, 31.12.87
Updated by: Rapprich Vladislav 11.11.09, Lojka Richard 10.07.10, Kukal Zdeněk 26.11.12, Vajskebrová Markéta 31.08.21

Citation

The database Significant geological localities of the Czech Republic: 2503 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-02]. Available from: http:// lokality.geology.cz/2503.

Location in map: