General Characteristics

County (administration): Pardubice Region
District (town): Svitavy
Cadastre: Bradlné
Map 1 : 50 000 (sheet No): 2412, 24124
Geological region: Czech Cretaceous Basin - E-Bohemian and W-Moravian Cretaceous; Chrudim Cretaceous; Králíky Furrow; Police Basin
Technical object: sand pit
Excursion locality: yes
ID : 2594

Geology

Short characteristics of the site: Marine Upper Cenomanian sandstones (Korycany Member)in the SE part of the Bohemian Cretaceous Basin in the vicinity of Letovice north of Brno contain spherical Fe-concretions mainly 10-20 cms in diameter. The spherical bodies are of hypergenic origin. The source of Fe was the weathering of glauconite.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - cenoman
Subject: geology, stratigraphy, sedimentology, petrology, structural geology

Territorial conservation

Level of protection: Registered interesting geological localities
Conflicts of interests: ground instability

References

Zelenka, P. - Šrámek, J. (1997): Železité konkrece v křídových pískovcích na Letovicku. - Acta Mus. Moraviae, Sci. nat., 81/1996, 85 - 91. Brno.

Elaboration and Updating

Elaborated by: Zelenka Přemysl, 11.12.06

Citation

The database Significant geological localities of the Czech Republic: 2594 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-10]. Available from: http:// lokality.geology.cz/2594.

Location in map: