General Characteristics

County (administration): Ústí nad Labem Region
District (town): Litoměřice
Cadastre: Jenčice
Map 1 : 50 000 (sheet No): 0243, 02431
Geological region: Neovolcanics of the České středohoří Mts.
Accessibility: - passable footpath
ID : 138

Geology

Short characteristics of the site: Isolated hill with a ruin of medieval castle. It is formed of a vent fill consisting of a basalt breccia and surrounding massive basalt rock. The breccia contains xenoliths of the Cretaceous and crystalline rocks. Petrologically and volcanologically significant site.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Basins under Krušné hory Mts.and adjoining volcanic uplands
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: volcanology, petrology, geomorphology
Geological phenomenon: intrusion, selective erosion, rock
Genesis: volcanic
Rock: tephrite, breccia

Territorial conservation

Level of protection: Nature monument in Protected landscape area
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area (geology is important aspect of Biological declared Locality )
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - České středohoří
Conflicts of interests: without conflicts

References

Macák, F. et al. (1966): Základní geologická mapa 1 : 25 000 M-33-52-D-b Třebenice. - Archiv ÚÚG, Praha. Kopecký, L. - Dobeš, M. - Fiala, J. - Štovíčková, N. (1970): Fenites of the Bohemian Massif and the relations between fenitization, alkaline volcanism and deep fault tectonics. - Sbor. geol. věd., Geol., 16, 51-112. Praha.

Elaboration and Updating

Elaborated by: Cajz Vladimír, 10.11.94
Updated by: Rapprich Vladislav 21.09.09

Citation

The database Significant geological localities of the Czech Republic: 138 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-29]. Available from: http:// lokality.geology.cz/138.

Location in map: