Žíla polzenitu u Vesce

General Characteristics

County (administration): Liberecký kraj
District (town): Liberec
Village: Světlá pod Ještědem
Cadastre: Světlá pod Ještědem
Map sheets: 03-31 Mimoň, 03-312 Všelibice
Accessibility: passable footpath
ID: 3399


Geology

Short characteristics of the site: This locality displays a dyke of polzenite in the northenmost part of the "Velká Čertova zeď - the Great Devil´s Wall". The investigation of this locality has a long tradition and different views concerning the petrological problems were published together with variable names. Today the rock is considered standard type of polzenite-vesecite. K-Ar dating offered variable ages from the Upper Cretaceous up to Pliocene. Important archaeological sites occur in surrounding localities.
Regional geologic unit: Bohemian Massif > Tertiary > Tertiary - scaterred relics of alkaline Volcanics
Stratigraphy: Tertiary, Upper Cretaceous
Subject: volcanology, petrology
Geological phenomenon: dyke, characteristic rock
Genesis: volcanic
Rock: polzenite


Territorial protection

Level of protection: Registered geological localities suggested for protection
Conflicts of interests: without conflicts


References
  • PALUSKA, Antonín & VESELÝ, Pavel (2010): Návrh na rozšíření chráněné oblasti Národní přírodní památky „Čertova zeď“ v severních Čechách (Český Dub-Osečná) a vytvoření chráněné oblasti „Velká Čertova zeď“.- 2. vulkanologický seminář odborné skupiny vulkanologie České geologické společnosti v Teplicích,Speciální publikace Regionálního muzea v Teplicích, str. 35-36.

Elaboration and Updating

Elaborated by: Pavla Gürtlerová, 07.02.2012
Updated by: Gürtlerová Pavla, 21.03.2014, Gürtlerová Pavla, 24.02.2015, Kukal Zdeněk, 25.09.2017, Kukal Zdeněk, 26.09.2017, Kukal Zdeněk, 20.12.2017, Vajskebrová Markéta, 20.05.2020


Citation

The database Important geological localities of the Czech Republic: 3399 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3399.


Location in map:

Assessment

Scientifical assesment: extraordinary
Educational assesment: major
Significance: international
Representativeness: middle
Geological importance: significant study profile, geo-historical value, geo-regional value (mapping), 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]