Roztocký háj - Tiché údolí
General Characteristics
County (administration):
Hlavní město Praha, Středočeský kraj
District (town):
Praha, Praha-západ
Village:
Roztoky, Únětice, Praha
Cadastre:
Suchdol, Roztoky u Prahy, Únětice u Prahy
Map sheets:
12-24 Praha, 12-241 Roztoky
Accessibility:
passable footpath
Technical object:
guarry
ID:
1019
Geology
Short characteristics of the site:
Morphologically prominent ridge of Proterozoic silicites (lydites). It is surrounded by occurrences of the Proterozoic greyackes and siltstones which suffered strong contact metamorphosis. Pleistocene loess in a gully. This locality is registered as a Natural Reserve.
Regional geologic unit:
Bohemian Massif > Bohemicum > Barrandien
Stratigraphy:
Proterozoic
Subject:
geomorphology, petrology, geology, quaternary geology
Geological phenomenon:
rock bag
Genesis:
sedimentary, volcanic , metamorphic (contact metamorphism)
Rock:
greywacke, siltstone, lydite, loess
Territorial protection
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, code 374 (Roztocký háj - Tiché údolí)
Conflicts of interests:
without conflicts
References
- Straka J. et al. (1988): Vysvětlivky k základní geologické mapě ČSSR 1:25000, l2-241 Roztoky. - ÚÚG Praha Fediuk F. (1997): Geologické exkurze do chráněného území Tiché údolí v s. předpolí Prahy. - Přehled výsledků geol.prací na ochranu horninového prostředí v r. 1996, p.66, MŽP Prah
Elaboration and Updating
Elaborated by:
Jan Mašek, 10.10.1994
Updated by:
Steinová Marika, 24.09.2009, Kukal Zdeněk, 29.11.2017
Citation
The database Important geological localities of the Czech Republic: 1019 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/1019.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
middle
Significance:
supraregional
Representativeness:
middle
Geological importance:
geo-regional value (mapping), geoturistic value
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz