General Characteristics

County (administration): Moravia-Silesian Region
District (town): Bruntál
Cadastre: Liptaň
Map 1 : 50 000 (sheet No): 1513, 15132
Geological region: Quaternary - region of continental glaciation, Žitava & Vidnava basins; Osoblaha Cretaceous
Accessibility: - no traffic restriction ( by car)
ID : 2328

Geology

Short characteristics of the site: Moravosilesian Quaternary, area of continental glaciation. The largest erratic boulder in the Osoblaha town region. It consists of coarse grained porphyric granite of a Dalsland type, coming from the South Sweden during Middle Pleistocene, about 800,000 years ago. Potassium feldspar phenocrysts are as large as 2-7 mm. Slight preferred orientation of aggregates of dark minerals. The locality is clasified as a Nature Monument.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Quaternary - Quaternary of deposition areas of Bohemian Massif
Stratigraphy: kenozoikum - kvartér
Subject: geomorphology, petrology
Geological phenomenon: outcrop
Genesis: glacigenic (glacier activity)
Rock: granite

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)
Conflicts of interests: others human activity

References

Weissmannová H. a kol (2004): Ostravsko. In: Mackovčin P. a Sedláček M.(eds.): Chráněná území ČR, svazek X. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, str. 100, Praha.

Elaboration and Updating

Elaborated by: Jirková Pavlína, 26.02.10
Updated by: Nývlt Daniel 03.11.11, Kukal Zdeněk 29.10.12, Kukal Zdeněk 29.12.17

Citation

The database Significant geological localities of the Czech Republic: 2328 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-06]. Available from: http:// lokality.geology.cz/2328.

Location in map: