Na Skřivánku
General Characteristics
County (administration):
Ústecký kraj
District (town):
Děčín
Village:
Staré Křečany
Cadastre:
Staré Křečany
Map sheets:
02-22 Varnsdorf, 02-224 Varnsdorf
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 > Tertiary > Tertiary - scaterred relics of alkaline Volcanics;
Bohemian Massif > Lugicum > Magmatites of Lugicum
Stratigraphy:
Tertiary, Proterozoic
Subject:
petrology, structural geology
Geological phenomenon:
dyke
Genesis:
magmatic
Rock:
basalt, granitoid
Territorial protection
Level of protection:
Registered interesting geological localities
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:
Ferry Fediuk, 31.12.2001, D. Nývlt, 31.12.2001, Mojmír Opletal, 31.12.2001
Updated by:
Vajskebrová Markéta, 24.10.2017
Citation
The database Important geological localities of the Czech Republic: 1969 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/1969.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
minor
Significance:
regional
Representativeness:
minor
Geological importance:
geo-regional value (mapping)
Locality conditions:
poor
You can send information about a change in the status of the site to lokality@geology.cz
