General Characteristics
County (administration): Capital City of Prague
District (town): Praha
Cadastre: Bohnice
Map 1 : 50 000 (sheet No): 1224, 12241
Geological region: Prague agglomeration
Accessibility: - passable footpath
Technical object: guarry
ID : 208
Geology
Short characteristics of the site: Natural outcrops and abandoned quarry. Alternation of Proterozoic greywackes with shales. Also several dykes of porphyry. Massive greywackes in the quarry, penetrated by a dyke of altered basalt.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: proterozoikum
Subject: stratigraphy, geology, petrology, sedimentology, botany, geomorphology
Geological phenomenon: rock, dyke
Genesis: sedimentary, magmatic
Rock: greywacke, basalt, slate, schist
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 and Biological Locality)
Part of the Geopark: Barrandien
Conflicts of interests: ground instability
References
Dudek, A. a Fediuk, F. (1955): Zur Altersfrage der Metamorphose im barrandienischen Proterozoikum. - Geologie, 4 (4), 397-403. Berlin. Matějka, A. (1921): O geologických poměrech severního Povltaví.- Sbor. St. geol. Úst. Čs. Republ., 1919-1920, 1, 49-81. Praha. Röhlich, P. (1962): Přehled geologických výzkumů barrandienského algonkia.- Knih. Ústř. Úst. geol., 39, 97p. Praha. Elaboration and Updating
Elaborated by: Kříž Jiří, 11.01.93
Updated by: Steinová Marika 09.09.09, Vajskebrová Markéta 20.08.20 Citation
The database Significant geological localities of the Czech Republic: 208 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-03-29]. Available from: http:// lokality.geology.cz/208. Location in map:
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