Česká geologická služba
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Hrádeček (Břecštejn) - slepence svrchního rotliegendu

General Characteristics

County (administration): Hradec Králové Region
District (town): Trutnov
Cadastre: Vlčice
Map 1 : 50 000 (sheet No): 0342, 03424
Geological region: Permo-Carboniferous of the Krkonoše-piedmont and Lower Silesian basins
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 255

Geology

Short characteristics of the site: Natural outcrop beneath the castle ruins. Basal conglomerate is exposed belonging stratigraphically to the Trutnov Formation. Sharp-edged clasts are mostly derived from the Krkonoše Crystalline. Sedimentologically interesting locality. This locality is situated in the Nature Park Hrádeček.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Lugic Late Palaeozoicum (including Triassic deposits)
Stratigraphy: paleozoikum - perm
Subject: stratigraphy, sedimentology
Geological phenomenon: rock, cliff, stratotype, characteristic rock
Genesis: sedimentary
Rock: sandstone, conglomerate

Territorial conservation

Level of protection: Registered geological localities suggested for protection
Protection of a geol. phenomenon: B - Geological phenomenon is the reason for a recommendation to the protection
Conflicts of interests: without conflicts

References

Holub V.(1966): Geologické poměry vých. Podkrkonoší. Kandidátská práce.-Geof., Praha.; Holub V.(1966): Zpráva o geol. mapování permu vých. Podkrkonoší na Trutnovsku.- Zpr. geol. výzk. v r. 1964, 31-33, Praha.; Prouza V.(1961): Zpráva o geol.mapování v okolí Trutnova.-Zprávy o geol. výzk. v r. 1960, 100-102, Praha.

Elaboration and Updating

Elaborated by: Prouza Vladimír, Stárková Marcela, 16.07.99
Updated by: Prouza Vladimír 24.09.09, Kukal Zdeněk 20.12.17

Citation

The database Significant geological localities of the Czech Republic: 255 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-02]. Available from: http:// lokality.geology.cz/255.

Location in map:

Links to neighbouring localities within 2 km radius are available on mouse click in the map window.
Pavla Gürtlerová, 2004
Hrádeček (Břecštejn) - trutnovské souvrství, Božena Havlíková, 1966
Bazální slepence - hornoměstské vrstvy, Božena Havlíková, 1966
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