General Characteristics

County (administration): Vysočina Region
District (town): Žďár nad Sázavou
Cadastre: Heřmanov u Křižanova
Map 1 : 50 000 (sheet No): 2413, 24134
Geological region: Strážek and Moravian Moldanubicum; Třebíč and Jihlava massifs
Accessibility: - no traffic restriction ( by car)
ID : 1079

Geology

Short characteristics of the site: Natural outcrop with exposed contact of pegmatite with serpentinite. Locality of well known "Heřmanov balls", i.e. concentrically arranged mixtures of pholopite and anthophyllite. Mineralogically extremely significant collecting localiy.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Metamorphic units in Moldanubicum
Stratigraphy: proterozoikum
Subject: mineralogy, petrology
Geological phenomenon: dyke, mineral
Genesis: magmatic
Rock: pegmatite, orthogneiss

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: collection

References

Bernard, J. H. et al. (1981): Mineralogie Československa. - Academia Praha.; Čech L.,Šumpich J., Zabloudil V. a kol. (2002): Jihlavsko In: Mackovčin P., Sedláček M.(eds): Chráněná území ČR, Svazek VII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno,str. 348, Praha.

Elaboration and Updating

Elaborated by: Rýda Karel, 20.10.94
Updated by: Gürtlerová Pavla 21.08.12, Rýda Karel 27.09.12

Citation

The database Significant geological localities of the Czech Republic: 1079 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-06]. Available from: http:// lokality.geology.cz/1079.

Location in map: