Na skalce

General Characteristics

County (administration): Kraj Vysočina
District (town): Jihlava
Village: Hojkov
Cadastre: Hojkov
Map sheets: 23-23 Jihlava, 23-233 Nový Rychnov
Accessibility: access without footpath
ID: 966


Geology

Short characteristics of the site: Rocky ridge exposing medium- up to coarse-grained two-mica granite, popfyritic in places. Also occurrences of a pegmatite with large quartz and feldspar phenocrysts. Blocky jointing of a granite. Quartz veins are abundant. Interesting relief forms, felsenmeer (blocky scree) surounds this locality. Petrologically and geomorphologically interesting.
Regional geologic unit: Bohemian Massif > Moldanubicum > Magmatites in Moldanubicum;
Bohemian Massif > Quaternary > Quaternary of erosional areas of Bohemian Massif
Stratigraphy: Devonian - Permian, Quaternary
Subject: geomorphology, petrology
Geological phenomenon: weather pit, pseudocrast cave
Genesis: magmatic, weathering
Rock: granite, pegmatite, quartz vein


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 827 (Na Skalce)
Conflicts of interests: without conflicts


References
  • Tauber O.(1987): Periglaciální jevy jihozápadní části Českomoravské vrchoviny. Vlastiv.Sbor.Vys.,odd.přír.,7-91.Jihlava.

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


Citation

The database Important geological localities of the Czech Republic: 966 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/966.


Location in map:

Assessment

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