Kozinec - granodiorit (petrohradský typ)
General Characteristics
County (administration):
Ústecký kraj
District (town):
Louny
Village:
Petrohrad
Cadastre:
Petrohrad
Map sheets:
12-13 Jesenice, 12-133 Jesenice
Accessibility:
passable footpath
ID:
3523
Geology
Short characteristics of the site:
Magmatites, Western Bohemia. Natural outcrops of medium grained biotite granodiorite of so called "Petrophrad type". Biotite aggregates in bands and lenses are typical for this rock, as possible evidence of an impact of metamorphic processes. Potassium feldspar phenocrysts also occur. Ŕadiometric age of this granodiorite is 488 plus minus 24 mil. years.
Regional geologic unit:
Bohemian Massif > Bohemicum > Magmatites in Bohemicum > Louny Massif > Jesenice Massif
Stratigraphy:
Cambrian
Subject:
geology, geomorphology, petrology, structural geology
Geological phenomenon:
deformation fabrics, intrusion, frost cliff, rock bag, rock salient, cliff, outcrop
Genesis:
magmatic, frost weathering
Rock:
granodiorite
Territorial protection
Level of protection:
Registered interesting geological localities
Conflicts of interests:
without conflicts
References
- Breiter,K.(2003):Granitoidy tiského masivu.- Zpr. o geol.výzk.,13 - 16. Praha.
- Seifert A., red. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 12-133 Jesenice. Česká geologická služba. Praha.
Elaboration and Updating
Elaborated by:
Petr Štěpánek, 03.05.2012
Updated by:
Citation
The database Important geological localities of the Czech Republic: 3523 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3523.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
major
Geological importance:
significant study profile, geo-regional value (mapping)
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
