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Location

Homolka - stratotyp

General Characteristics

County (administration): Capital City of Prague
District (town): Praha
Cadastre: Velká Chuchle
Map 1 : 50 000 (sheet No): 1242, 12421
Geological region: Prague agglomeration
Accessibility: - passable footpath
Technical object: guarry
Excursion locality: yes
ID : 235

Geology

Short characteristics of the site: Old quarry and surrounding outcrops of the Králův Dvůr Formation consisting of claystones. This formation is tectonically separated from the overlying sandstones of the Kosov Formation. Between the Ordovician and Silurian there occurs intrusive basalt of the Upper Wenlockian age.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: paleozoikum
Subject: stratigraphy, paleontology, structural geology, sedimentology, lithology
Geological phenomenon: outcrop, fossils fauna, cliff
Genesis: sedimentary
Rock: limestone

Territorial conservation

Level of protection: Nature reserve
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 the Geopark: Barrandien
Conflicts of interests: without conflicts

References

Cháb, J. et al. (1988): Vysvětlivky k základní geologické mapě 1:25 000, 12-142, Praha-jih. - Ústř. Úst. geol., 1-200. Praha. Chlupáč, I. (1953): Stratigrafická studie o hraničních vrstvách mezi silurem a devonem ve středních Čechách.- Sbor. Ústř. Úst. geol., odd. geol., 20, 277-380. Praha. Chlupáč, I. (1993): Geology of the Barrandian.- Senckenberg - Buch, 69, 1-163. Frankfurt am Main. Chlupáč, I., Lukeš, P., Paris, F. a Schönlaub, H. P. (1985): The Lochkovian-Pragian boundary in the Lower Devonian of the Barrandian Area (Czechoslovakia).- Jb. Geol. B.A., 128 (1), 9-41. Wien. Chlupáč, I. a Oliver, W. A. (1989): Decision on the Lochkovian-Pragian boundary stratotype (Lower Devonian). - Episodes, 12, 109-113. Krejčí, J. (1860): Mittheilungen über die Resultate der geologischen Aufnahmen in den Umgebungen von Prag und Beraun durch die k. k. geologische Reichsamstalt. Sitz.-Ber. Kön. Böhm. Gesell. Wiss. 2, 5-7. Wien.

Elaboration and Updating

Elaborated by: Chlupáč Ivo, 13.04.93
Updated by: Steinová Marika 18.09.09

Citation

The database Significant geological localities of the Czech Republic: 235 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-02-04]. Available from: http:// lokality.geology.cz/235.

Location in map:

Links to neighbouring localities within 2 km radius are available on mouse click in the map window.
Mezinárodní stratotyp hranice lochkov - prag, referenční profil sledem lochkovu., Motyčková Kamila - Šír Jiří, 2015
Petr Budil, 2002
Petr Budil, 2002


(C) 2003-2012 ČGS, verse aplikace 1.21 [3.2.2016]