Čertův hrádek

General Characteristics

County (administration): Kraj Vysočina
District (town): Jihlava
Village: Rohozná
Cadastre: Rohozná u Jihlavy
Map sheets: 23-23 Jihlava,23-41 Třešť, 23-233 Nový Rychnov,23-411 Třešť
Accessibility: passable footpath
ID: 961


Geology

Short characteristics of the site: Rock ridge formed of a coarse-grained two-mica granite of the Moldanubian pluton. Granite massif is cut by horizontal joints. Some fissure caverns are observable. Interesting morphological features, as cryoplanational plains and felsenmeer. This locality is registered as a Nature Monument.
Regional geologic unit: Bohemian Massif > Moldanubicum > Magmatites in Moldanubicum;
Bohemian Massif > Quaternary > Quaternary of erosional areas of Bohemian Massif
Stratigraphy: Devonian - Permian, Quaternary
Subject: geology, geomorphology, petrology
Geological phenomenon: pseudocrast cave, mushroom rock, rock arch, rock chimney, weather pit, honeycombs, block field
Genesis: frost weathering, magmatic
Rock: granite


Territorial protection

Level of protection: Nature monument
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR, code 826 (Čertův hrádek)
Conflicts of interests: tourism


References
  • Tauber O.(1987): Periglaciální jevy jihozápadní části Českomoravské vrchoviny. Vlastiv.Sbor.Vys.,odd.přír., 7-91.Jihlava.
  • 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: Pavel Hanžl, 25.01.2002, Jaroslava Pertoldová, 25.01.2002
Updated by: Plíšek Antonín, 27.01.2003, Gürtlerová Pavla, 13.10.2010, Kukal Zdeněk, 20.11.2017


Citation

The database Important geological localities of the Czech Republic: 961 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/961.


Location in map:

Assessment

Scientifical assesment: medium
Educational assesment: major
Significance: supraregional
Representativeness: major
Geological importance: geoturistic value
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]