General Characteristics

County (administration): South Bohemia Region
District (town): Český Krumlov
Cadastre: Zvonková
Map 1 : 50 000 (sheet No): 3214, 32144
Geological region: Šumava Moldanubicum - districts ST, PT, CK, CB, PI
Accessibility: - access without footpath
Excursion locality: yes
ID : 3313

Geology

Short characteristics of the site: Moldanubicum, Šumava Mts. Series of rocky outcrops exposing porphyric biotite granite of Weinsberg type. This rock is typical with its feldspar phenocrysts and biotite inclusions as large as 10 cm. Fine grained granites contain also comparatively large mafic enclaves documenting immature mixing two different types of magma.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Magmatites in Moldanubicum
Stratigraphy: paleozoikum
Subject: geology, petrology, structural geology, quaternary geology
Geological phenomenon: horizontal section, frost cliff, rock
Genesis: magmatic
Rock: granite

Territorial conservation

Level of protection: Interesting geological localities in National park
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Part of LEPA (Large-size especially protected areas): NP (National park) - Šumava
Conflicts of interests: without conflicts

References

Pertoldová, J.(ed.)(2011): Vysvětlivky k základní geologické mapě České republiky 1 : 25 000, 32-144 Smrčina, MS Česká geologická služba Praha.

Elaboration and Updating

Elaborated by: Pertoldová Jaroslava, 10.04.11
Updated by: Pertoldová Jaroslava 13.06.11, Pertoldová Jaroslava 13.06.11, Kukal Zdeněk 09.10.12

Citation

The database Significant geological localities of the Czech Republic: 3313 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-08]. Available from: http:// lokality.geology.cz/3313.

Location in map: