General Characteristics

County (administration): Liberec Region
District (town): Semily
Cadastre: Ploužnice
Map 1 : 50 000 (sheet No): 0343, 03431
Geological region: Permo-Carboniferous of the Krkonoše-piedmont and Lower Silesian basins
Accessibility: - passable footpath
Excursion locality: yes
ID : 289

Geology

Short characteristics of the site: Approx. +120 m long outcrop in railway cut between railway stations Kyje and Ploužnice. The upper layer of Ploužnice Horizon is exposed here in typical development: variegated clayey mudstones, claystones and siltstones with limestone and tuffaceous interbeds and locally present cherty nodules (mostly reddish = carnelians, some grey). Fossil plant and animal remains have been found locally.
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: paleontology, mineralogy, petrology, volcanology, sedimentology
Geological phenomenon: ichnofossil, horizontal section, bed, bedding, fossils fauna, fossils-flora, stratotype, characteristic rock
Genesis: sedimentary
Rock: claystone, siltstone, sandstone, conglomerate, tuff, tuffite, silicite, chert, hornfels

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: Bohemian Paradise
Conflicts of interests: ground instability, road construction

References

BLECHA, M. – MARTÍNEK, K. – DRÁBKOVÁ, J. – HLADÍKOVÁ, J. – ŠIMŮNEK, Z. – ZAJÍC, J. (1997): Změny prostředí karbonu a permu a jejich dopad na společenstva organismů ve fosiliferních obzorech podkrkonošské pánve. – Závěrečná zpráva projektu GAČR 205/94/0692, 177 str.Havlena V.-Tásler R./1963/: Mladší paleozoikum. In Vysvětlivky k přehledné geologické mapě 1:200 000, list M-33-XVI Hradec Králové.-NČSAV Praha,p.53.Praha. Ziegler V./1977/: Geologické poměry chráněné krajinné oblasti Český ráj.-Bohemia centralis,6,p.7-42.Praha.

Elaboration and Updating

Elaborated by: Ziegler Václav, 15.11.93
Updated by: Prouza Vladimír 23.04.03, Prouza Vladimír 30.09.09, Stárková Marcela 15.11.11

Citation

The database Significant geological localities of the Czech Republic: 289 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/289.

Location in map: