General Characteristics

County (administration): Karlovy Vary Region
District (town): Karlovy Vary
Cadastre: Hroznětín
Map 1 : 50 000 (sheet No): 1121, 11212
Geological region: Neovolcanics of the České středohoří Mts.
Accessibility: - entry permit for car necessary
Technical object: guarry
Excursion locality: yes
ID : 4094

Geology

Short characteristics of the site: Abandoned quarry exposing Tertiary volcanites. Tuff cone was formed by phreatomagmatic extrusion of Surtsey type. Tuff body was later cut by basanite dykes and larger bodies. Fractures in the basanite are covered by calcite and aragonite. The basement is formed by kaolinized granite. This locality is planned to be protected.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Basins under Krušné hory Mts.and adjoining volcanic uplands
Stratigraphy: kenozoikum - neogén
Subject: volcanology, mineralogy
Geological phenomenon: unconformity, cinder cone, dyke, intrusion, mineral
Genesis: volcanic
Rock: basalt, lapillistone

Territorial conservation

Level of protection: Registered geological localities suggested for protection
Protection of a geol. phenomenon: B - Geological phenomenon is the reason for a recommendation to the protection
Part of the Geopark: Egeria
Conflicts of interests: exploitation

References

Magna T., Rapprich V. (2017): Basalt 2017 Kadaň: Abstracts and Excursion Guide.Czech Geological Society, Czech Geological Survey, 110 str.

Elaboration and Updating

Elaborated by: Rapprich Vladislav, 09.05.17
Updated by: Kukal Zdeněk 19.02.18, Kukal Zdeněk 22.02.18, Vajskebrová Markéta 30.06.21

Citation

The database Significant geological localities of the Czech Republic: 4094 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/4094.

Location in map: