General Characteristics

County (administration): Ústí nad Labem Region
District (town): Teplice
Cadastre: Košťany
Map 1 : 50 000 (sheet No): 0232, 02321
Geological region: Krušné hory Mts. crystalline complex; Karlovy Vary Massif (SW part)
ID : 345

Geology

Short characteristics of the site: Series of natural outcrops of a medium-grained rhyolite ignimbrite with common crystalloclasts of quartz, K-feldspar, plagioclase and rare biotite. Some resorbed dark minerals, possibly pyroxenes. Groundmass exhibits distinct planovitroclastic texture. Petrologically interesting locality.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Permocarboniferous Volcanits
Stratigraphy: paleozoikum - perm
Subject: petrology, geomorphology
Geological phenomenon: outcrop, characteristic rock
Genesis: volcanic
Rock: ignimbrite

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Conflicts of interests: without conflicts

References

Fiala, F. (1960): Teplický křemenný porfyr mezi Krupkou, Cínovcem, Dubím a Mikulovem a horniny přidružené. - Sbor. geol. věd, odd. geol., 26, 445-494. Praha. Štemprok, M. - Lomozová, V. (1980): Litogeochemický výzkum teplického ryolitového komplexu v oblasti Krupky. MS ČGÚ Praha. Schovánková, D. (1987): Geologie a petrografie teplického ryolitu. - In: Jiránek, J. et al.: Komplexní geologické zpracování teplického ryolitu. MS ČGÚ Praha.

Elaboration and Updating

Elaborated by: Schovánková Daniela, 14.11.94

Citation

The database Significant geological localities of the Czech Republic: 345 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-05]. Available from: http:// lokality.geology.cz/345.

Location in map: