General Characteristics

County (administration): South Bohemia Region
District (town): Písek
Cadastre: Hrazany
Map 1 : 50 000 (sheet No): 2224, 22241
Geological region: Central Bohemian Pluton and Roof Pendants of the Central Bohemian Pluton
Accessibility: - access without footpath
ID : 492

Geology

Short characteristics of the site: Blocky scree. Rocks are represented by a porphyritic hornblende-biotite melanocratic granite of Čertovo břemeno type. Interesting microrelief features on some block surfaces. Petrologically interesting locality.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Magmatites in Moldanubicum
Stratigraphy: variské (hercynské) stáří vyvřelin
Subject: petrology, geomorphology
Geological phenomenon: block field, tafoni, selective erosion, weather pit
Genesis: weathering , gravitational, magmatic
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 and Biological Locality)
Conflicts of interests: without conflicts

References

Chábera S.(1992): Žulové balvany se skalními mísami na Kovářovsku. Sborník Jihočeského muzea v Českých Budějovicích, přírodní vědy, roč.32, str.5-11.České Budějovice.

Elaboration and Updating

Elaborated by: Cicha Ivan, 27.09.94
Updated by: Gürtlerová Pavla 11.10.10

Citation

The database Significant geological localities of the Czech Republic: 492 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/492.

Location in map: