Hardeggské skály

General Characteristics

County (administration): Jihomoravský kraj
District (town): Znojmo
Village: Horní Břečkov
Cadastre: Čížov
Map sheets: 33-22 Vranov nad Dyjí, 33-224 Kravsko
Accessibility: passable footpath
ID: 3449


Geology

Short characteristics of the site: Moravicum, Proterozoic up to Palaeozoic outcrops along the Dyje River bank. They consist of leucocratic two-mica augenorthogneiss (the Bíteš Gneiss) with interlayers of amphibolite and vein quartz. Step-like slopes with rocky faces and frost cliffs. Rock waste and block fields are common. Also interesting mesorelief forms. This locality belongs to the National Park Podyjí.
Regional geologic unit: Bohemian Massif > Moravosilesian region > Moravicum
Stratigraphy: Proterozoic - Paleozoic
Subject: geomorphology, petrology
Geological phenomenon: rock, block field, cliff, scree field
Genesis: metamorphic (general metamorphism), gravitational, frost weathering
Rock: orthogneiss, mica schist


Territorial protection

Level of protection: Interesting geological localities in National park
Part of LEPA (Large-size especially protected areas): Podyjí
Conflicts of interests: without conflicts


References
  • Batík P 1992. Geologická mapa Národního parku Podyjí. Měřítko 1: 25 000. Český geologický ústav, Praha, 1992. ISBN 80-7075-116-9.
  • Kirchner K et al. 2007. Vybrané abiotické charakteristiky krajinně-ekologických segmentů Národního parku Podyjí. Thayensia, 2007, roč. 7: 55-73. ISSN 1212-3560.
  • Kubalíková L 2011. Hodnocení geomorfologických lokalit v kontextu ochrany neživé přírody. Disertační práce, Masarykova univerzita, Brno

Elaboration and Updating

Elaborated by: Lucie Kubalíková, 02.03.2012
Updated by: Kubalíková Lucie, 20.03.2012, Gürtlerová Pavla, 04.05.2012, Kukal Zdeněk, 16.10.2012, Kukal Zdeněk, 29.11.2017


Citation

The database Important geological localities of the Czech Republic: 3449 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3449.


Location in map:

Assessment

Scientifical assesment: medium
Educational assesment: middle
Significance: regional
Representativeness: major
Geological importance: geo-regional value (mapping), geoturistic value
Locality conditions: no problems

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]