General Characteristics
County (administration): Liberec Region
District (town): Česká Lípa
Cadastre: Heřmánky, Hvězda pod Vlhotěm, Litice
Map 1 : 50 000 (sheet No): 0242, 02423
Geological region: Czech Cretaceous Basin - Jizera Cretaceous & Cretaceous of the lower section of Labe River, Ploučnice, Kamenice and the Děčínský Sněník Mt.
Accessibility: - passable footpath
Excursion locality: yes
ID : 1771
Geology
Short characteristics of the site: The Bohemian Cretaceous Basin and Tertiary volcanics. The Vlho phonolite hill, 31 Ma old is dominating this area. The surrounding area consists mostly of quartzose sandstones of the Jizera Formation. Fining-upward cycles about 30 mn thick, are typical for them. Emplacement of a sodalitic phonolite wsas accompanied with ripping up blocks of Cretaceous and underlying rocks, including phyllites and mica schists. Northern margin of the Vlho Hill is cut by important fracture zone.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin, Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: mezozoikum - křída - svrchní křída - turon, kenozoikum - terciér (paleogén - neogén)
Subject: geomorphology, petrology, structural geology, sedimentology
Geological phenomenon: castellated ridge, cliff, karren, landslide, fault, fossils fauna, incrustation, intrusion
Genesis: sedimentary, volcanic , tectonic
Rock: sandstone, siltstone, phonolite, basalt
Territorial conservation
Level of protection: Nature reserve in Protected landscape area
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area (geology is important aspect of Biological declared Locality )
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Kokořínsko
Conflicts of interests: without conflicts
References
Mackovčin P. a Sedláček M. (2005): Chráněná území ČR - Střední Čechy, svazek XIII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha, 904 pp. Elaboration and Updating
Elaborated by: Lorencová Markéta, 23.11.07
Updated by: Gürtlerová Pavla 15.07.09, Valečka Jaroslav 27.08.09 Citation
The database Significant geological localities of the Czech Republic: 1771 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-03-29]. Available from: http:// lokality.geology.cz/1771. Location in map:
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