General Characteristics

County (administration): South Moravia Region
District (town): Brno-město
Cadastre: Kníničky
Map 1 : 50 000 (sheet No): 2432, 24323
Geological region: Letovice, Krhovice, Nectava and Svinov-Vranová crystalline complexes; Moravicum; crystalline complex of Miroslav horst; Brunovistulicum
Accessibility: - access without footpath
ID : 3778

Geology

Short characteristics of the site: This locality is typical with its quartz dyke, called also the Brno . Quartz Lode. This dyke was formed due to tectonic movements. It is about one kilometre long and splits into two branches. According to fluid inclusion analysis the origin of quartz dyke took place under temperatures between 170 and 300 degrees Centigrade. This locality belongs to the Brno Massif and its westermn granodiorite area.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moravosilesian region - Brunovistulicum
Stratigraphy: proterozoikum - neoproterozoikum (1000 - 542 Ma)
Subject: geology, petrology
Geological phenomenon: vein
Genesis: magmatic, tectonic, chemogenetic
Rock: quartz vein

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: without conflicts

References

PŘICHYSTAL, A. - SLOBODNÍK M.: Brněnský křemenný val. Geologické výzkumy na Moravě a ve Slezsku, Brno: Masarykova univerzita, 2011, XVIII, č. 2, s. 178-152. ISSN 1212-6209.

Elaboration and Updating

Elaborated by: Hrdličková Kristýna, 23.05.14
Updated by: Kukal Zdeněk 19.09.17, Kukal Zdeněk 29.11.17

Citation

The database Significant geological localities of the Czech Republic: 3778 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-04]. Available from: http:// lokality.geology.cz/3778.

Location in map: