Klonk
General Characteristics
County (administration):
Středočeský kraj
District (town):
Beroun
Village:
Suchomasty
Cadastre:
Suchomasty
Map sheets:
12-41 Beroun, 12-413 Králův Dvůr
Accessibility:
passable footpath
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 > Bohemicum > Barrandien
Stratigraphy:
Paleozoic
Subject:
stratigraphy, paleontology, geology, lithology, sedimentology
Geological phenomenon:
fossils fauna, outcrop, stratotype
Genesis:
sedimentary
Rock:
slate, schist, limestone
Territorial protection
Level of protection:
National nature monument in Protected landscape area
Part of LEPA (Large-size especially protected areas):
Český kras
Additional information:
See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR, code 639 (Klonk)
Part of national 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 vrstvách budňanských v západní 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:
Ivo Chlupáč, 18.03.1993
Updated by:
Steinová Marika, 12.11.2008
Citation
The database Important geological localities of the Czech Republic: 158 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/158.
Location in map:
Assessment
Scientifical assesment:
extraordinary
Educational assesment:
major
Significance:
international
Representativeness:
major
Geological importance:
paleontological type locality, significant study profile, geo-historical value, geo-regional value (mapping), geoturistic value
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
Fotoarchive
