Ledová jáma
General Characteristics
County (administration):
Karlovarský kraj
District (town):
Karlovy Vary
Village:
Potůčky
Cadastre:
Potůčky
Map sheets:
01-43 Horní Blatná, 01-433 H. Blatná
Accessibility:
access without footpath
Technical object:
incrush, cave-in, mine
ID:
315
Geology
Short characteristics of the site:
Narrow subsidence depression left after old mining of tin ores. Greisenisation and Sn-mineralization of a Blatno granite can be observed. Due to favourable climatic conditions snow and ice rest on the hole bottom until summer months.
Regional geologic unit:
Bohemian Massif > Saxothuringicum > Krušné hory Mts. (Erzgebirge) Pluton
Stratigraphy:
Devonian - Permian
Subject:
mining and mining impacts, petrology, mineralogy, geology
Geological phenomenon:
gully, pseudocrast cave
Genesis:
anthropogenic (anthropogenic activity)
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 673 (Vlčí jámy)
Part of national geopark:
Egeria
Conflicts of interests:
without conflicts
References
- Astor, E. (1992): Erzgebirge. Meyers Naturführer. Meyers Lexikonverlag. Mannheim - Leipzig - Wien - Zürich, 166 str.
- Mašek, M. (1984): Naučná stezka Horní Blatná - Vlčí jámy. - ONV Karlovy Vary
Elaboration and Updating
Elaborated by:
Pavel Schovánek, 11.11.1994
Updated by:
Mlčoch Bedřich, 07.10.2009
Citation
The database Important geological localities of the Czech Republic: 315 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/315.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
major
Significance:
supraregional
Representativeness:
middle
Geological importance:
geo-historical value, geoturistic value
Excursion locality:
yes
Locality conditions:
acceptable
You can send information about a change in the status of the site to lokality@geology.cz