Onšov

General Characteristics

County (administration): Jihomoravský kraj
District (town): Znojmo
Village: Onšov
Cadastre: Onšov na Moravě
Map sheets: 33-22 Vranov nad Dyjí, 33-224 Kravsko
Accessibility: access without footpath
ID: 1406


Geology

Short characteristics of the site: Moravicum, Dyje (Thaya) Dome. Road cut exposing body of serpentinite with högbomite. Together with serpentinite also fragments of amphibolite and pyroxenite with epidote can be found. Near the rock contact small body of fibrous hornblende asbestos occurs. Its fibres as as long as 20 cm.
Regional geologic unit: Bohemian Massif > Moravosilesian region > Moravicum
Stratigraphy: Proterozoic
Subject: mineralogy, petrology
Geological phenomenon: mineral
Genesis: metamorphic (general metamorphism)
Rock: serpentine


Territorial protection

Level of protection: Registered interesting geological localities
Conflicts of interests: without conflicts


References
  • Batík P. (1995): Vysvětlivky k základní geologické mapě ČR 1 : 25 000 list 33224 Kravsko. - Český geologický ústav Praha.

Elaboration and Updating

Elaborated by: Antonín Plíšek, 07.11.2002
Updated by: Plíšek Antonín, 23.01.2005, Gürtlerová Pavla, 12.12.2012, Hrdličková Kristýna, 01.11.2014, Hrdličková Kristýna, 10.11.2014


Citation

The database Important geological localities of the Czech Republic: 1406 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/1406.


Location in map:

Assessment

Scientifical assesment: medium
Educational assesment: middle
Significance: regional
Representativeness: minor
Geological importance:
Locality conditions:

You can send information about a change in the status of the site to lokality@geology.cz


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]