Žákova skála u Běloků
General Characteristics
County (administration):
Středočeský kraj
District (town):
Kladno
Village:
Běloky
Cadastre:
Běloky
Map sheets:
12-23 Kladno, 12-234 Hostivice
Accessibility:
no traffic restriction ( by car)
ID:
62
Geology
Short characteristics of the site:
An abandoned quarry in Proterozoic lydites (silicites) abraded by a Cretaceous sea. They are overlain by relics of Lower Turonian claystones with abundant oyster fauna. Phosphatic duricrusts on the lydite surface are also interesting. A sedimentologically important locality.
Regional geologic unit:
Bohemian Massif > Bohemicum > Barrandien
Stratigraphy:
Proterozoic
Subject:
stratigraphy, paleontology, geology
Geological phenomenon:
transgression, fossils fauna
Genesis:
sedimentary
Rock:
lydite, marlstone, silicite
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
waste disposal, vegetation
References
- Valečka, J. (1983): Vysvětlivky k základní geologické mapě ČSFR 1 : 25 000, list 12-234 Hostivice. Čes.geol.úst., Praha
- Žebera, K. (1937): Křídový útvar na Kladensku. - Roz. Čes. Akad. Věd, Třída II., 46, 29, 10 str. Praha
- Žítt, J. (v tisku): Výskyty fosforitů v příbřežním vývoji české křídy. - Zpr.geol.výz. r. 1992. Čes. geol. úst. Praha
Elaboration and Updating
Elaborated by:
Olga Nekvasilová, 30.11.1993, Jiří Žítt, 30.11.1993
Updated by:
Adamovič Jiří, 17.02.2007, Zelenka Přemysl, 24.09.2009, Vajskebrová Markéta, 14.03.2016
Citation
The database Important geological localities of the Czech Republic: 62 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/62.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
major
Significance:
supraregional
Representativeness:
major
Geological importance:
geoturistic value
Excursion locality:
yes
Locality conditions:
acceptable
You can send information about a change in the status of the site to lokality@geology.cz
