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