Ortoruly Jánský vrch
General Characteristics
County (administration):
Ústecký kraj
District (town):
Most
Village:
Horní Jiřetín
Cadastre:
Jezeří
Map sheets:
02-33 Chomutov, 02-332 Most
Accessibility:
passable footpath
ID:
333
Geology
Short characteristics of the site:
Rocky hill slope with coarse-grained metagranite affected by a slight Variscan deformation. Clear lineation of E-W direction and subhorizontal foliation. Petrologically and tectonically interesting locality.
Regional geologic unit:
Bohemian Massif > Saxothuringicum > Krušné hory and Smrčiny crystalline complexes
Stratigraphy:
Proterozoic
Subject:
petrology, geology, structural geology
Geological phenomenon:
frost cliff, characteristic rock
Genesis:
metamorphic (general metamorphism)
Rock:
orthogneiss
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
without conflicts
References
- Malkovský, M. et al. (1985): Vysvětlivky k základní geologické mapě ČSSR 1 : 25 000 02-332 Most. - ÚÚG Praha
Elaboration and Updating
Elaborated by:
Bedřich Mlčoch, 09.11.1994
Updated by:
Plíšek Antonín, 30.11.2004, Mlčoch Bedřich, 10.10.2009
Citation
The database Important geological localities of the Czech Republic: 333 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/333.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
major
Geological importance:
significant study profile, 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