General Characteristics
County (administration): Liberec Region
District (town): Česká Lípa
Cadastre: Hamr pod Ralskem
Map 1 : 50 000 (sheet No): 0331, 03312
Geological region: Czech Cretaceous Basin - Jizera Cretaceous & Cretaceous of the lower section of Labe River, Ploučnice, Kamenice and the Děčínský Sněžník Mt.
Accessibility: - passable footpath
Excursion locality: yes
ID : 1653
Geology
Short characteristics of the site: A horseshoe-shaped valley lined with outcrops of quartzose sandstones of the Jizera Formation (Turonian). Ferruginous cement in the sandstone forms linings of straight tubes 40-50 cm in diameter. A geomorphologically interesting site.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - turon
Subject: geomorphology, sedimentology
Geological phenomenon: incrustation, honeycombs, rock arch, natural window
Genesis: sedimentary, weathering
Rock: sandstone
Territorial conservation
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
Protection of a geol. phenomenon: A - Protected Area (declared as Geological Locality)
Part of the Geopark: Ralsko
Conflicts of interests: without conflicts
References
Mikuláš, M. - Adamovič, J. (2002): Okolí Hamru a Svébořic. In: Železivce české křídové pánve. - Knih. Čes. speleol. spol., 38, 47-55. Zlatý kůň, Praha; Mackovčin P., Sedláček M. a Kuncová J. (2002): Chráněná území ČR - Liberecko, Svazek III. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha, 331 s.; Rubáš Dominik, 2012: Krásy neživé přírody v Podještědí, Tiskové centrum ČGS, Praha, 82 s. Elaboration and Updating
Elaborated by: Adamovič Jiří, 17.02.07
Updated by: Lorencová Markéta 26.06.07, Gürtlerová Pavla 23.07.09, Vajskebrová Markéta 02.10.17 Citation
The database Significant geological localities of the Czech Republic: 1653 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-23]. Available from: http:// lokality.geology.cz/1653. Location in map:
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