General Characteristics

County (administration): Vysočina Region
District (town): Žďár nad Sázavou
Cadastre: Střítež
Map 1 : 50 000 (sheet No): 2413, 24132
Geological region: Strážek and Moravian Moldanubicum; Třebíč and Jihlava massifs
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 785

Geology

Short characteristics of the site: Artificial outcrop showing pegmatite dyke penetrating a serpentinite body. Serpentinite is enclosed within migmatitized gneisses. Pegmatite dyke is 40 m long and 100-250 cm thick. Its paragenesis comprises 43 identified minerals. Mineralogically very significant.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Metamorphic units in Moldanubicum
Stratigraphy: proterozoikum
Subject: petrology, mineralogy
Geological phenomenon: characteristic rock, dyke, mineral
Genesis: metamorphic (general metamorphism), magmatic
Rock: serpentinite, pegmatite

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: collection, waste disposal

References

Bernard J.H. et al.(1981): Mineralogie Československa.-Academia Praha, 2.vydání, 645 str. Černý P., Novák M.(1992): Věžná near Nedvědice. In Lepidolite 200, Field trip guidebook, str.27-32, Nové Město na Moravě. Losos Zd.(2001):Mineralogicko-petrologická exkurze do oblasti Nedvědice-Rožná-Bory. Exkurze České geologické společnosti č. 7, str.6-9, ČGÚ Praha.; Vávra, V., Štelcl, J. a Malý, K. (2008): Průvodce po geologických zajímavostech Kraje Vysočina, Muzeum Vysočiny Jihlava, 145 stran, ISBN 978-80-86382-12-8.

Elaboration and Updating

Elaborated by: Losos Zdeněk, 10.11.93
Updated by: Gürtlerová Pavla 17.10.12, Buriánek David 21.11.12

Citation

The database Significant geological localities of the Czech Republic: 785 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-23]. Available from: http:// lokality.geology.cz/785.

Location in map: