General Characteristics

County (administration): South Moravia Region
District (town): Znojmo
Cadastre: Únanov
Map 1 : 50 000 (sheet No): 3411, 34113
Geological region: Neogene of the Carpathian foredeep - southern and central part
Accessibility: - no traffic restriction ( by car)
Technical object: guarry
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 - crystalline complex and pre-Variscian Palaeozoic - Moravosilesian region - Moravosilesian Palaeozoicum
Stratigraphy: paleozoikum - devon
Subject: geology, petrology
Geological phenomenon: outcrop
Genesis: sedimentary, weathering
Rock: sandstone

Territorial conservation

Level of protection: Registered geological localities suggested for protection
Protection of a geol. phenomenon: B - Geological phenomenon is the reason for a recommendation to the 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: Čtyroký Pavel, Jiří Otava, 03.12.93
Updated by: Tomanová Petrová Pavla 30.10.03, Tomanová Petrová Pavla 25.09.12, Tomanová Petrová Pavla 10.03.15, Tomanová Petrová Pavla 12.08.16

Citation

The database Significant geological localities of the Czech Republic: 751 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-26]. Available from: http:// lokality.geology.cz/751.

Location in map: