General Characteristics

County (administration): Central Bohemia Region
District (town): Praha-východ
Cadastre: Všestary
Map 1 : 50 000 (sheet No): 1331, 13313
Geological region: Central Bohemian Pluton and Roof Pendants of the Central Bohemian Pluton
Technical object: guarry
ID : 500

Geology

Short characteristics of the site: Active quarry. Tuffitic greywackes, tuffites and tuffs are possibly of Lower Ordovician age. Very important outcrop in metamorphosed sediments of the Central Bohemian Metamorphic Islets.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: paleozoikum
Subject: stratigraphy, sedimentology, petrology
Geological phenomenon: characteristic rock
Genesis: metamorphic (general metamorphism), volcanic
Rock: chert, hornfels, spotted shist, tuff, tuffite

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: open cast mining

References

Havlíček V., Šnajdr M./1955/: Některé problémy paleogeografie středočeského ordoviku.-Sbor.Ústř.Úst.geol.,52,2,81-94.Praha. Kachlík V.(1982): Litostratigrafie, paleografický vývoj a metamorfní postižení hornin pláště v severovýchodní části ostrovní zóny středočeského plutonu.-MS Kandidát.disert.práce. Přír.fak.Univ.Karl.Praha. Vajner V./1963a/: Geologické poměry metamorfovaného ostrova tehovského.-Sbor.Ústř.Úst.Geol., Odd.geol.,28,231-264.Praha.

Elaboration and Updating

Elaborated by: Kachlík Václav, 12.11.94

Citation

The database Significant geological localities of the Czech Republic: 500 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/500.

Location in map: