Žirovnice - hráz rybníka Valcha

General Characteristics

County (administration): Kraj Vysočina
District (town): Pelhřimov
Village: Žirovnice
Cadastre: Žirovnice
Map sheets: 23-32 Kamenice nad Lipou, 23-324 Žirovnice
Accessibility: no traffic restriction ( by car)
ID: 3909


Geology

Short characteristics of the site: The fishpond dam. The outcrop has been exposed during a dam reconstruction. It consists of stromatitic sillimanite-biotite migmatite with cordierite. It passes into a migmatitized biotite paragneiss. The contact with an intrusive muscovite-biotite granite. Rock foliation is ubiquitous. The shear joints affect the whole rock structure. This outcrop belongs to the metamorphic units in the Moldanubicum Zone. The locality is recommended for protection.
Regional geologic unit: Bohemian Massif > Moldanubicum > Metamorphic units in Moldanubicum
Stratigraphy: Paleozoic
Subject: lithology
Geological phenomenon: characteristic rock
Genesis: metamorphic (general metamorphism)
Rock: migmatite, paragneiss, gneiss, granite


Territorial protection

Level of protection: Registered geological localities suggested for protection
Conflicts of interests: without conflicts


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: Radmila Nahodilová, 26.02.2016
Updated by: Kukal Zdeněk, 27.09.2017, Kukal Zdeněk, 10.11.2017


Citation

The database Important geological localities of the Czech Republic: 3909 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3909.


Location in map:

Assessment

Scientifical assesment: great
Educational assesment: major
Significance: supraregional
Representativeness: major
Geological importance: geo-regional value (mapping), geoturistic value
Excursion locality: yes
Locality conditions: no problems

You can send information about a change in the status of the site to lokality@geology.cz


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]