Únanov
General Characteristics
County (administration):
Jihomoravský kraj
District (town):
Znojmo
Village:
Únanov
Cadastre:
Únanov
Map sheets:
34-11 Znojmo, 34-113 Znojmo
Accessibility:
no traffic restriction ( by car)
Technical object:
quarry
ID:
751
Geology
Short characteristics of the site:
Old abandoned quarry with outcrops of whitish subarkose with quartz pebbles. Sandstone thickness is 500 cm. These subarkoses were formerly exploited. They were earlier taken for Devonian sediments, now considered denudational relics of the Tertiary silcrete. Sedimentologically significant locality.
Regional geologic unit:
Bohemian Massif > Moravosilesian region > Moravosilesian Palaeozoicum
Stratigraphy:
Devonian
Subject:
geology, petrology
Geological phenomenon:
outcrop
Genesis:
sedimentary, weathering
Rock:
sandstone
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
vegetation
References
- Čtyroký, P. - Batík, P. et al. (1983): Vysvětlivky k základní geologické mapě ČSSR 1 : 25 000 34-113 Znojmo. - ÚÚG Praha.
- Otava, J. (1997): Křemenné arkózové pískovce mezi Únanovem a Tvořihrází: devonská klastika, nebo relikty tercierní durikrusty?- Geol. výzk.Mor.Slez.v r. 1996, 4, 37-38, Brno.
Elaboration and Updating
Elaborated by:
Otava Jiří, 03.12.1993, Pavel Čtyroký, 03.12.1993
Updated by:
Tomanová Petrová Pavla, 30.10.2003, Tomanová Petrová Pavla, 25.09.2012, Tomanová Petrová Pavla, 10.03.2015, Tomanová Petrová Pavla, 12.08.2016
Citation
The database Important geological localities of the Czech Republic: 751 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/751.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
middle
Significance:
national
Representativeness:
middle
Geological importance:
significant study profile, geo-regional value (mapping)
Locality conditions:
poor
You can send information about a change in the status of the site to lokality@geology.cz
