General Characteristics

County (administration): Vysočina Region
District (town): Jihlava
Cadastre: Jihlávka
Map 1 : 50 000 (sheet No): 2332, 23324
Geological region: Moldanubian Pluton - Central Massif; Melechov Massif
Accessibility: - passable footpath
ID : 3906

Geology

Short characteristics of the site: This locality is represented by the Jihlava River source (spring). This spring water is of Ca-SO4 type and with pH of 6.5. The source of this spring comes from a collector bound to migmatite weathered and fissured mantle. This locality belongs to the Šumana Mts. of the Moldanubicum Zone.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moldanubicum - Metamorphic units in Moldanubicum
Stratigraphy: paleozoikum
Subject: hydrogeology
Geological phenomenon: spring, river source
Genesis: aquatic (water activity)
Rock: migmatite

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
Part of the Geopark: Vysočina
Conflicts of interests: agriculture

References

Pertoldová. a kol. (2015): Vysvětlivky k základní geologické mapě České republiky 1:25 000 23–324 Žirovnice. – MS Česká geologická služba, Praha.

Elaboration and Updating

Elaborated by: Rukavičková Lenka, 16.02.16
Updated by: Kukal Zdeněk 26.09.17, Kukal Zdeněk 22.11.17

Citation

The database Significant geological localities of the Czech Republic: 3906 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-04]. Available from: http:// lokality.geology.cz/3906.

Location in map: