Kalek
General Characteristics
County (administration):
Ústecký kraj
District (town):
Chomutov
Village:
Kalek
Cadastre:
Načetín u Kalku
Map sheets:
01-42 Načetín, 01-424 Načetín
Accessibility:
passable footpath
Technical object:
quarry
ID:
2026
Geology
Short characteristics of the site:
Several abandoned quarries at Kalek, Chomutov area, exploiting silicite bodies metres to tens of metres thick. Silicites are formed by almost pure quartz, and are hosted by altered orthogneisses. Quartz was used in the iron works at Kalek in the 17th century. An important mining-historical site.
Regional geologic unit:
Bohemian Massif > Saxothuringicum > Krušné hory and Smrčiny crystalline complexes
Stratigraphy:
Proterozoic
Subject:
mining and mining impacts, petrology, structural geology, economic geology
Geological phenomenon:
outcrop, characteristic rock
Genesis:
hydrothermal mineralization
Rock:
orthogneiss
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
waste disposal
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, 07.10.2009
Citation
The database Important geological localities of the Czech Republic: 2026 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/2026.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
Significance:
regional
Representativeness:
Geological importance:
geo-historical value, geo-regional value (mapping)
Locality conditions:
poor
You can send information about a change in the status of the site to lokality@geology.cz