General Characteristics

County (administration): Central Bohemia Region
District (town): Mladá Boleslav
Cadastre: Dobšín, Horní Bousov (okr. Mladá Boleslav), Podkost, Vesec u Sobotky (okr. Jičín)
Map 1 : 50 000 (sheet No): 0334, 03341
Geological region: Czech Cretaceous Basin - Labe & Čáslav Cretaceous; Cretaceous of the Dlouhá mez
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 2768

Geology

Short characteristics of the site: The Bohemian Cretaceous Massif. Brook valley with steep rocky slopes on the two sides. Castellated sandstone relief with numerous pillars, towers and some caves in the Cretaceous quadersandstones. Permeable sandstones are underlain by marlstones. Small outcrop of calcareous tuffa is also present. At valley face a small sandstone massif with famous and preserved castle named Kost (the Bone in English) dominates.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - turon
Subject: geomorphology, quaternary geology, sedimentology, paleontology
Geological phenomenon: pseudocrast cave, flood plaine, cliff, horizontal section, rock cavity
Genesis: aquatic (water activity), sedimentary, weathering
Rock: sandstone

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) - Český ráj
Part of the Geopark: Bohemian Paradise
Conflicts of interests: tourism, ground instability

References

In: Mackovčin P.a Sedláček M.(eds): Chráněná území ČR, Svazek III., Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno,str.219 Praha.; Valečka, J., red. (2011): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-341 Kněžmost. - Česká geologická služba. Praha.

Elaboration and Updating

Elaborated by: Jirková Pavlína, 13.02.09
Updated by: Valečka Jaroslav 27.08.09, Čech Stanislav 21.11.09, Valečka Jaroslav 13.04.12

Citation

The database Significant geological localities of the Czech Republic: 2768 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-18]. Available from: http:// lokality.geology.cz/2768.

Location in map: