General Characteristics

County (administration): Ústí nad Labem Region
District (town): Děčín
Cadastre: Varnsdorf
Map 1 : 50 000 (sheet No): 0222, 02224
Geological region: Lužice Pluton and Krkonoše-Jizera Massif; Krkonoše-Jizera crystalline complex
Accessibility: - passable footpath
ID : 1981

Geology

Short characteristics of the site: Krkonoše-Jizera crystalline. Light grey-green phonolite with porphyritic and very fine grained trachytic fluidal natrix texture. It contains phenocrysts of sanidine, nepheline, analcite, aegirine and magnetite. The phonolite body is formed by two massive parallel cutting cutting through a lava flow made by nepheline basanite which overlies Tertiary sediments.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: petrology, stratigraphy
Geological phenomenon: dyke
Genesis: magmatic
Rock: phonolite

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
Conflicts of interests: without conflicts

References

Opletal M. a kolektiv autorů, 2001: Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 list 02222 Jiříkov a list 02224 + 03113 Varnsdorf. - Český geologický ústav Praha.

Elaboration and Updating

Elaborated by: Opletal Mojmír, Fediuk Ferry,Nývlt D., 31.12.01
Updated by: Vajskebrová Markéta 02.10.18

Citation

The database Significant geological localities of the Czech Republic: 1981 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/1981.

Location in map: