General Characteristics
County (administration): Central Bohemia Region
District (town): Praha-západ
Cadastre: Tuchoměřice
Map 1 : 50 000 (sheet No): 1223, 12232
Geological region: Czech Cretaceous Basin - Velim, Praha, Roudnice and Ohře Cretaceous
Accessibility: - no traffic restriction ( by car)
ID : 63
Geology
Short characteristics of the site: A rocky ridge with a small abandoned quarry. The ridge is formed by Proterozoic lydite (silicite), showing abrasion phenomena on its surface. It is overlain by basal Cretaceous sediments with shark remains and coprolites. A sedimentologically interesting locality.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien, Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: proterozoikum, mezozoikum - křída - svrchní křída
Subject: geomorphology, paleontology, geology, stratigraphy
Geological phenomenon: selective erosion, fossils fauna, rock
Genesis: sedimentary, weathering
Rock: lydite, conglomerate
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)
Conflicts of interests: waste disposal
References
Mašek, J. et al. (1986): Základní geologická mapa ČSSR 1 : 25 000, list 12-232 Buštěhrad. - Čes.geol. úst. Praha. Mašek, J. et al. (1990): Vyvětlivky k základní geologické mapě ČSFR 1 : 25 000, list 12-232 Buštěhrad. - Čes.geol. úst. Praha. Žítt, J. (v tisku): Výskyty fosforitů v příbřežním vývoji české křídy. - Zpr.geol.výzk. r. 1992. Čes. geol. úst. Praha.; Ložek V., Kubíková J., Špryňar P. a kol. (2005): Střední Čechy. In: Mackovčin P. a Sedláček M.(eds.): Chráněná území ČR, svazek XIII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, str.471 Praha. Elaboration and Updating
Elaborated by: Nekvasilová Olga, Žítt Jiří, 30.11.93
Updated by: Adamovič Jiří 17.02.07, Jirková Pavlína 17.02.09, Zelenka Přemysl 21.09.09 Citation
The database Significant geological localities of the Czech Republic: 63 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-26]. Available from: http:// lokality.geology.cz/63. Location in map:
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