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


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]