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Prkenný Důl - Malý Křenov - lampertické vrstvy

General Characteristics

County (administration): Hradec Králové Region
District (town): Trutnov
Cadastre: Žacléř
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 : 3487


Short characteristics of the site: Intrasudetic Basin. Rocky outcrops of sandstones and conglomerates of the Lampertice Beds, ppart of the Žacléř Formation. Conglomerates are of petromictic character, sandstone composition corresponds mainly to subarkoses. In conglomerates quartz pebbles prevail, together with some lydites and quartzites, in several layers also with phyllite and greenschists clasts. Interesting forms of weathering, aeroxysts are common, some rock ledges can be observed.
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: lithology, sedimentology
Geological phenomenon: bedding, characteristic rock
Genesis: sedimentary
Rock: conglomerate, sandstone

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Part of the Geopark: Broumovsko
Conflicts of interests: without conflicts


Schovánek P. et al. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03424 Trutnov. Česká geologická služba. Praha.

Elaboration and Updating

Elaborated by: Gürtlerová Pavla, 08.03.12


The database Significant geological localities of the Czech Republic: 3487 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-20]. Available from: http:// lokality.geology.cz/3487.

Location in map:

Links to neighbouring localities within 2 km radius are available on mouse click in the map window.
Prkenný Důl – výchoz slepencových pískovců lampertických vrstev nad Sněžným potokem při silnici Prkenný Důl – Křenov., Václav Kachlík, 2009

(C) 2003-2012 ČGS, verse aplikace 1.21 [3.2.2016]