General Characteristics

County (administration): Ústí nad Labem Region
District (town): Chomutov
Cadastre: Rokle
Map 1 : 50 000 (sheet No): 1122, 11222
Geological region: Most Basin
Accessibility: - entry permit for car necessary
Excursion locality: yes
ID : 13

Geology

Short characteristics of the site: Silcrete blocks on the surface and also within Quaternary sediments. Relics of formerly continuous horizon of the gneisses of the Ohře Crystallin. Geomorphologically and paleoclimatologically significant site.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Basins under Krušné hory Mts.and adjoining volcanic uplands
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: sedimentology, geomorphology
Geological phenomenon: varnished stone
Genesis: chemogenetic
Rock: quartzite

Territorial conservation

Level of protection: Nature monument
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area (declared as Geological Locality)
Conflicts of interests: others human activity

References

Kopecký, L. et al. (1974): Základní geologická mapa 1 : 25 000 list M-33-51-D-c Kadaň. - MS Archív ČGÚ Praha. Hradecký P., 2000: Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 list 11222 Kadaň.- ČGÚ Praha, Mlčoch B. a kolektiv autorů, 1994: Geologicky významné lokality v severočeské pánvi a jejím okolí, chráněné nebo navržené k ochraně.- Český geologický ústav Praha.

Elaboration and Updating

Elaborated by: Hradecký Petr, 07.11.94
Updated by: Plíšek Antonín 22.02.05, Hrazdíra Petr 15.09.09

Citation

The database Significant geological localities of the Czech Republic: 13 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/13.

Location in map: