General Characteristics

County (administration): Capital City of Prague
District (town): Praha
Cadastre: Troja
Map 1 : 50 000 (sheet No): 1224, 12243
Geological region: Prague agglomeration
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 955

Geology

Short characteristics of the site: Outcrops in Prague zoological garden. Barrandian Proterozoic of the Kralupy-Zbraslav Group is overlain by basal Ordovician (Tremadoc-Llanvirn). Significant example of the Ordovician transgression and angular unconformity between the two units.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Barrandien
Stratigraphy: paleozoikum
Subject: stratigraphy, structural geology, sedimentology
Geological phenomenon: outcrop, rock, fold, dyke, transgression, volcaniclastic deposits
Genesis: sedimentary, metamorphic (general metamorphism)
Rock: greywacke, siltstone, volcaniclastic deposits

Territorial conservation

Level of protection: Nature monument
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area (declared as Geological Locality)
Part of the Geopark: Barrandien
Conflicts of interests: ground instability, private property

References

Chlupáč, I. (1999): Vycházky za geologickou minulostí Prahy a okolí, Academia, Praha. 280s. Dudek A.-Fediuk F.(1955) Fediuk F.-Roehlich P.(1960) Roehlich P.(1960) Chlupáč I.(1988)

Elaboration and Updating

Elaborated by: Budil Petr, Mašek Jan, 13.09.96
Updated by: Vajskebrová Markéta 29.11.19

Citation

The database Significant geological localities of the Czech Republic: 955 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-25]. Available from: http:// lokality.geology.cz/955.

Location in map: