General Characteristics

County (administration): Hradec Králové Region
District (town): Náchod
Cadastre: Libná
Map 1 : 50 000 (sheet No): 0431, 04311
Geological region: Czech Cretaceous Basin - E-Bohemian and W-Moravian Cretaceous; Chrudim Cretaceous; Králíky Furrow; Police Basin
Accessibility: - no traffic restriction ( by car)
Technical object: guarry
Excursion locality: yes
ID : 1495

Geology

Short characteristics of the site: An active quarry and several abandoned quarries in glauconite-bearing and limonitic Cretaceous sandstones at Libná near Teplice nad Metují. A complete lithological section is preserved in the eastern quarry. A system of orthogonal joints is visible in the top part of the quarry walls. Numerous finds of fossil fauna near quarry base include bivalves, serpulid worms and brachiopods. Bohemian Cretaceous Basin. The locality is situated in the Protected Landscape Area Broumovsko.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - cenoman
Subject: geology, sedimentology, paleontology
Geological phenomenon: selective erosion, characteristic rock
Genesis: sedimentary
Rock: sandstone

Territorial conservation

Level of protection: Interesting geological localities in Protected landscape area
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Broumovsko
Part of the Geopark: Broumovsko
Conflicts of interests: open cast mining

References

Ziegler V.,(1993): Hodnocení lokalit na území CHKO Broumovsko. MS. Archiv CHKO Broumovsko.

Elaboration and Updating

Elaborated by: Plná Věra, 14.10.03
Updated by: Gürtlerová Pavla 06.09.17, Kukal Zdeněk 21.12.17

Citation

The database Significant geological localities of the Czech Republic: 1495 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/1495.

Location in map: