Houba
General Characteristics
County (administration):
Liberecký kraj
District (town):
Jablonec nad Nisou
Village:
Kořenov
Cadastre:
Jizerka
Map sheets:
03-23 Harrachov, 03-231 Jizerka
Accessibility:
access without footpath
ID:
3685
Geology
Short characteristics of the site:
Thie locality is called "Houba - the Mushroom" because of its solitary position and shape. The rock can be classified as the biotite granite of the Jizera type. It contains numerous potassium feldspar phenocrysts and aggregates of biotite called "the schliers". The rock is a product of frost weathering with an intensive glacial erosion. Sometimes such rocky features are called tors.This type of typical for the Krkonoše-Jizera crystalline.
Regional geologic unit:
Bohemian Massif > Saxothuringicum > Magmatites of east Saxothuringicum > Krkonoše - Jizera Mts. Massif
Stratigraphy:
Paleozoic
Subject:
geomorphology, petrology
Geological phenomenon:
mushroom rock, selective erosion, tor
Genesis:
magmatic, frost weathering
Rock:
granite
Territorial protection
Level of protection:
Interesting geological localities in Protected landscape area
Part of LEPA (Large-size especially protected areas):
Jizerské hory
Conflicts of interests:
without conflicts
References
- Mrázová Š. , Verner. K., red. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-142 Hejnice a 03-231 Jizerka. - Česká geologická služba. Praha
Elaboration and Updating
Elaborated by:
Kryštof Verner, 21.05.2013
Updated by:
Kukal Zdeněk, 18.09.2017
Citation
The database Important geological localities of the Czech Republic: 3685 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3685.
Location in map:
Assessment
Scientifical assesment:
minor
Educational assesment:
middle
Significance:
regional
Representativeness:
major
Geological importance:
geo-regional value (mapping), geoturistic value
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
