Tři kameny

General Characteristics

County (administration): Olomoucký kraj
District (town): Šumperk
Village: Loučná nad Desnou
Cadastre: Přemyslov
Map sheets: 14-24 Bělá pod Pradědem, 14-243 Loučná nad Dyjí
ID: 840


Geology

Short characteristics of the site: Rock on a hill summit. Two frost cliffs as high as 50 metres. They are formed of a coarse-grained Keprník orthogneiss. This rock is petrologically interesting and possess an augen texture and relic textures. Well developed frost weathering phenomena. Petrologically and geomorphologically significant locality.
Regional geologic unit: Bohemian Massif > Moravosilesian region > Silezicum
Stratigraphy: Devonian
Subject: geomorphology, structural geology, petrology
Geological phenomenon: frost cliff
Genesis: frost weathering
Rock: orthogneiss


Territorial protection

Level of protection: Registered interesting geological localities
Conflicts of interests: without conflicts


References
  • Cháb, J. (1986): Stavba moravskoslezské větve evropského mladopaleozoického orogenu (pracovní hypoteza). - Věst. Ústř. Úst. geol., 61, 2, 113-120. Praha. Mixa, P. - Koverdynský, B. et al. (1994): Strukturně-geologický výzkum, jižní uzávěr keprnické klenby. - MS ČGÚ Jeseník. Šitavanc, D. (1983): Petrologie hornin keprnické klenby v okolí Hanušovic. - Diplomová práce, MS PřF UK Praha

Elaboration and Updating

Elaborated by: Petr Mixa, 15.11.1994
Updated by: Kukal Zdeněk, 07.12.2017


Citation

The database Important geological localities of the Czech Republic: 840 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/840.


Location in map:

Assessment

Scientifical assesment:
Educational assesment:
Significance:
Representativeness:
Geological importance: geoturistic value
Excursion locality: yes
Locality conditions:

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


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