General Characteristics

County (administration): Ústí nad Labem Region
District (town): Louny
Cadastre: Raná u Loun
Map 1 : 50 000 (sheet No): 0234, 02343
Geological region: Neovolcanics of the České středohoří Mts.
Accessibility: - entry permit for car necessary
Excursion locality: yes
ID : 983

Geology

Short characteristics of the site: A ridge formed by a basaltic dyke exposed from the surrounding Cretaceous marlstones by selective erosion. The dyke is formed by olivine nephelinite. An instructive locality, documenting the post-emplacement erosion effects.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: geomorphology, volcanology, botany
Geological phenomenon: dyke, rock, landslide, selective erosion, intrusion
Genesis: volcanic
Rock: basaltoid (basaltic-rock)

Territorial conservation

Level of protection: National nature reserve 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: tourism, sports

References

Zoubek, V. - Škvor, V. et al. (1963): Vyvětlivky k přehledné geologické mapě ČSSR 1 : 200 000 M-33-XIV, Teplice M-33-VIII Chabařovice. - Ústř. úst. geol., ČSAV Praha, Mlčoch B. a kolektiv autorů, 1994: Geologicky významné lokality v severočeské pánvi a jejím okolí, chráněné nebo navržené k ochraně.- Český geologický ústav Praha; Janoška, M. (2013): Sopky a sopečné vrchy České republiky, Academia, Praha, 415 str.

Elaboration and Updating

Elaborated by: Zelenka Přemysl, 11.01.94
Updated by: Adamovič Jiří 17.02.07, Rapprich Vladislav 18.11.08, Zelenka Přemysl 23.09.09, Vajskebrová Markéta 14.07.21

Citation

The database Significant geological localities of the Czech Republic: 983 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-25]. Available from: http:// lokality.geology.cz/983.

Location in map: