General Characteristics

County (administration): Hradec Králové Region
District (town): Trutnov
Cadastre: Petrovice
Map 1 : 50 000 (sheet No): 0433, 04331
Geological region: Permo-Carboniferous of the Krkonoše-piedmont and Lower Silesian basins
Accessibility: - no traffic restriction ( by car)
Excursion locality: yes
ID : 1446

Geology

Short characteristics of the site: Rocky wall aprox. 30 m long and 8 m hight at the lower margin of the village. Žacléř Formation, Petrovice Member (Carboniferous, Bolsovian - Upper Duckmantian). Grey medium to coarse grained conglomerates, mostly oligomictic, with prevailing pebbles of quartz and subordinate lydite, quartzite and metamorphics. This lithotype is a frequent sediment of the Žacléř Formation.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Upper Carboniferous and Permian - Lugic Late Palaeozoicum (including Triassic deposits)
Stratigraphy: paleozoikum - karbon
Subject: stratigraphy, sedimentology
Geological phenomenon: rock, bedding, characteristic rock
Genesis: sedimentary
Rock: conglomerate, sandstone

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
Part of the Geopark: Broumovsko
Conflicts of interests: vegetation

References

Tásler R. et al. (1979): Geologie české části vnitrosudetské pánve. - Academia, 292 s. Praha.

Elaboration and Updating

Elaborated by: Prouza Vladimír, 16.01.03
Updated by: Prouza Vladimír 14.05.03, Šimůnek Zbyněk 30.09.09

Citation

The database Significant geological localities of the Czech Republic: 1446 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-28]. Available from: http:// lokality.geology.cz/1446.

Location in map: