County (administration): Ústí nad Labem Region
District (town): Louny
Cadastre: Blšany, Chlumčany u Loun
Map 1 : 50 000 (sheet No): 1212, 12122
Geological region: Neovolcanics of the České středohoří Mts.
Accessibility: - passable footpath
Technical object: guarry
Excursion locality: yes
ID : 3848
Short characteristics of the site: Abandoned quarry and series of natural outcrops. Rocks of lava channelway are partly exposed. Also volcanic breccia and network of dykes. Outcrops of ill-sorted pyroclastics possibly represent former base of pyroclastic cone. Common columnar jointing is present, in places also spherical jointing. This locality is classified as Nature Monument.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: geomorphology, volcanology, petrology, botany
Geological phenomenon: stony organ, selective erosion, dyke
Genesis: volcanic , weathering
Rock: basaltoid (basaltic-rock), breccia, pyroclastic deposits
Level of protection: Nature monument
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: (declared as Geological and Biological Locality)
Conflicts of interests: without conflicts
Elaboration and Updating
Elaborated by: Gürtlerová Pavla, 04.05.15
Updated by: Rapprich Vladislav 12.12.17, Kukal Zdeněk 19.02.18, Kukal Zdeněk 18.02.18
The database Significant geological localities of the Czech Republic: 3848 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-12-08]. Available from: http:// lokality.geology.cz/3848.
Location in map:
Links to neighbouring localities within 2 km radius are available on mouse click in the map window.