General Characteristics

County (administration): Central Bohemia Region
District (town): Beroun
Cadastre: Suchomasty
Map 1 : 50 000 (sheet No): 1241, 12413
Geological region: Barrandien Palaeozoic; Blanice Furrow
Accessibility: - passable footpath
Excursion locality: yes
ID : 158

Geology

Short characteristics of the site: International stratotype for silurian and devonian border. Rocky slope with numerous exposures. The section starts with the Kopanina Formation (Silurian, Ludlow), continues with the Požáry Formation (Silurian, Přídolí),through the Silurian/Devonian boundary beds up to the Lochkov Formation. Very instructive section studied in detail.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: paleozoikum
Subject: stratigraphy, paleontology, geology, lithology, sedimentology
Geological phenomenon: fossils fauna, outcrop, stratotype
Genesis: sedimentary
Rock: slate, schist, limestone

Territorial conservation

Level of protection: National nature monument in Protected landscape area
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)
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Český kras
Part of the Geopark: Barrandien
Conflicts of interests: without conflicts

References

Hladil, J. (1992): Are there turbidites in the Silurian - Devonian boundary stratotype (Klonk near Suchomasty, Barrandian, Czechoslovakia) ? - Facies, 26, 35-54. Erlangen. Horný, R. (1955): Studie o vrstv ch budňanských v z padní části Barrandienu. - Sbor. Ústř. úst. geol., Geol., 21, 2, 315-447. Praha. Chlupáč, I. (1993): Geology of the Barrandian.- Senckenberg - Buch, 69, 1-163. Frankfurt am Main. Chlupáč, I., Jaeger, H. a Zikmundová, J. (1972): The Silurian-Devonian boundary in the Barrandian.- Bull. Canad. Petrol. Geol., 20 (1), 104-174. Calgary. Chlupáč, I. (1987, ed.): Základní geologická mapa a vysvětlivky ČSSR 1:25 000, list 12-413 Králův Dvůr. - Ústřední geologický ústav, Praha. Martinsson, A. (1977): The Silurian - Devonian Boundary. - IUGS, Ser. A., 5, 1-349. Stuttgart.

Elaboration and Updating

Elaborated by: Chlupáč Ivo, 18.03.93
Updated by: Steinová Marika 12.11.08

Citation

The database Significant geological localities of the Czech Republic: 158 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/158.

Location in map: