Čihadlo
General Characteristics
County (administration):
Ústecký kraj
District (town):
Chomutov
Village:
Kalek
Cadastre:
Načetín
Map sheets:
01-42 Načetín, 01-424 Načetín
Accessibility:
passable footpath
ID:
2025
Geology
Short characteristics of the site:
Orthogneiss outcrops of at Čihadlo Hill near Načetín, Chomutov area. Muscovite-biotite orthogneiss, locally with augen structure, forms a tabular body in the ambient paragneisses. An outcrop of a Tertiary volcanic rock is situated east of the hilltop. The hill is a neck rising above the peneplain of the Krušné hory Mountains.
Regional geologic unit:
Bohemian Massif > Saxothuringicum > Krušné hory and Smrčiny crystalline complexes;
Bohemian Massif > Tertiary > Tertiary - scaterred relics of alkaline Volcanics
Stratigraphy:
Proterozoic, Tertiary
Subject:
petrology, geomorphology
Geological phenomenon:
outcrop
Genesis:
metamorphic (general metamorphism)
Rock:
orthogneiss
Territorial protection
Level of protection:
Registered interesting geological localities
Conflicts of interests:
without conflicts
References
- Mlčoch B. a kolektiv autorů, 2001: Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 listy 01424 Načetín a 01442 Hora Svatého Šebestiána.- Český geologický ústav Praha.
Elaboration and Updating
Elaborated by:
Bedřich Mlčoch, 07.04.2004
Updated by:
Mlčoch Bedřich, 06.10.2009
Citation
The database Important geological localities of the Czech Republic: 2025 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/2025.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
minor
Geological importance:
geo-regional value (mapping)
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz