General Characteristics

County (administration): Ústí nad Labem Region
District (town): Děčín
Cadastre: Staré Křečany
Map 1 : 50 000 (sheet No): 0222, 02224
Geological region: Neovolcanics of the České středohoří Mts.
Accessibility: - access without footpath
Technical object: guarry
ID : 1969

Geology

Short characteristics of the site: Krkonoše-Jizera crystalline. Small outcrop of alkali basalt dyke, 20 m thick and 400 m long. It intruded into N-S oriented fracture which separates Brtnice granite from Václavice granodiorite. Subhorizontal columnar jointing is visible.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Lugicum - Magmatites of Lugicum, Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - terciér (paleogén - neogén), kadomské stáří vyvřelin
Subject: petrology, structural geology
Geological phenomenon: dyke
Genesis: magmatic
Rock: basalt, granitoid

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Conflicts of interests: vegetation

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 24.10.17

Citation

The database Significant geological localities of the Czech Republic: 1969 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-24]. Available from: http:// lokality.geology.cz/1969.

Location in map: