Česká geologická služba
Geological localities
Home  > Search > Blšanský chlum


Blšanský chlum

General Characteristics

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

Territorial conservation

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


nebyla použita

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. 2024-04-20]. 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.
Blšanský vrch (293 m), Pavla Gürtlerová, 2015
Pohled od Blšanského vrchu mna Malý Chlum, Pavla Gürtlerová, 2015
vulkanoklastika na jz úbočí Blšanského vrchu, Pavla Gürtlerová, 2015
vulkanoklastika na jz úbočí Blšanského vrchu, Pavla Gürtlerová, 2015
vulkanoklastika na jz úbočí Blšanského vrchu, Pavla Gürtlerová, 2015
kulovité zvětrávání bazaltoidů, Pavla Gürtlerová, 2015
Next photo..

(C) 2003-2012 ČGS, verse aplikace 1.21 [3.2.2016]