General Characteristics

County (administration): Capital City of Prague
District (town): Praha
Cadastre: Přední Kopanina
Map 1 : 50 000 (sheet No): 1223, 12234
Geological region: Prague agglomeration
Accessibility: - passable footpath
Technical object: guarry
Excursion locality: yes
ID : 204

Geology

Short characteristics of the site: Active quarry with so called Bílá Hora opuka. Opuka is a term for fine-grained sediment consisting of clay, lime, silt and silica. Stratotype of the Bílá Hora Formation. Local so called golden opuka was a favourite natural building stone in a romanesque Prague. This quarry is the only source of this precious stone.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - turon
Subject: stratigraphy, paleontology, petrology, economic geology
Geological phenomenon: fossils fauna, bed, stratotype, characteristic rock
Genesis: sedimentary
Rock: opuka (aranaceous marlstone)

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 Locality)
Part of the Geopark: Barrandien
Conflicts of interests: waste disposal

References

Čech S., Klein V., Kříž J. a Valečka J. (1980): Revision of the Upper Cretaceous stratigraphy of the Bohemian Cretaceous Basin, VÚÚG, 55, 5, 277-296; Zahálka B. (1926): Pražská opuka, Zprávy veř. služby technické, 8, 18, Praha.

Elaboration and Updating

Elaborated by: Zelenka Přemysl, 01.10.93
Updated by: Steinová Marika 09.09.09, Vajskebrová Markéta 09.01.23

Citation

The database Significant geological localities of the Czech Republic: 204 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/204.

Location in map: