General Characteristics

County (administration): Central Bohemia Region
District (town): Kladno
Cadastre: Kladno
Map 1 : 50 000 (sheet No): 1223, 12233
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 : 3782

Geology

Short characteristics of the site: The series of small quarries, dumps and spoil heaps. They evidence old quarrying of subarkoses and arkoses, so called "Žehrováci - the Žehrov stones". They belong to the Carboniferous Nýřany Beds of the Kladno Formation. The sandstones are ill-sorted with irregularly disseminated pebbles of quartz, Neoproterozoic silicites and quartzites. The sandstones were deposited in terrestrial environment by braided rivers and periodical high water flows. The sandstones represent well known and often used building and decoration stone. Many old building, also in the Prague castle were constructed from these rocks. The locality belongs to the Permocarboniferous of the Central and West Bohemia.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Central and Western Bohemian Late Palaeozoicum
Stratigraphy: paleozoikum - karbon - svrchní karbon - siles - westphal
Subject: economic geology, sedimentology, lithology
Geological phenomenon: cliff, bedding
Genesis: sedimentary
Rock: arkose

Territorial conservation

Level of protection: Registered geological localities suggested for protection
Protection of a geol. phenomenon: B - Geological phenomenon is the reason for a recommendation to the protection
Conflicts of interests: vegetation

References

M.Stárková et al. (2014): Vysvětlivky ke geologické mapě 12-233 list Unhošť. - MS Archív ČGS Praha.

Elaboration and Updating

Elaborated by: Stárková Marcela, 22.08.14
Updated by: Kukal Zdeněk 20.09.17, Kukal Zdeněk 26.09.17, Kukal Zdeněk 20.12.17

Citation

The database Significant geological localities of the Czech Republic: 3782 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/3782.

Location in map: