General Characteristics

County (administration): South Bohemia Region
District (town): Prachatice
Cadastre: Vimperk
Map 1 : 50 000 (sheet No): 2234, 22343
Geological region: Šumava Moldanubicum - districts ST, PT, CK, CB, PI
Accessibility: - no traffic restriction ( by car)
ID : 3515

Geology

Short characteristics of the site: Moldanubicum,. magmatites, Šumava Mts. Outcrop in artificial trench showing biotite metaporphyry. This rock is greyish-brownish, massive, with augen texture, without traces of migmatization. It forms irregular bodies and iis penetrated by light granite lenses. Poprphyry contains porphyroclasts of potassium feldspar and plagioclase, among accossories apatite, allanite, zircon and monazite were found. Mineralogy, as well as chemistry and magnetic susceptibility were studied in detail.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Magmatites in Moldanubicum
Stratigraphy: variské (hercynské) stáří vyvřelin
Subject: petrology
Geological phenomenon: characteristic rock
Genesis: magmatic, metamorphic (general metamorphism)
Rock: porphyry

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Conflicts of interests: without conflicts

References

Žáček. et al. (2012): Vysvětlivky k základní geologické mapě České republiky 1 : 25 list 22-343 Vimperk.

Elaboration and Updating

Elaborated by: Gürtlerová Pavla, 04.05.12
Updated by: Žáček Vladimír 11.05.12, Kukal Zdeněk 08.11.12

Citation

The database Significant geological localities of the Czech Republic: 3515 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-23]. Available from: http:// lokality.geology.cz/3515.

Location in map: