General Characteristics

County (administration): Liberec Region
District (town): Semily
Cadastre: Bozkov, Roztoky u Semil
Map 1 : 50 000 (sheet No): 0341, 03413,03411
Geological region: Lužice Pluton and Krkonoše-Jizera Massif; Krkonoše-Jizera crystalline complex
Accessibility: - passable footpath
ID : 1637

Geology

Short characteristics of the site: Krkonoše-Jizera crystalline. Lusatian and Krkonoše-Jizera massifs. Deeply cut valley in the Železný Brod crystalline which consists of epizonally metamorphic Early Paleozoic rocks. Chloritic-secitic phyllites and green schists are most abundant together with pure crystalline limestones. Karst forms originated in these limestones.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Lugicum - Krkonoše-Jizerské hory Mts.crystalline complex
Stratigraphy: paleozoikum
Subject: geology, hydrogeology, paleontology, sedimentology
Geological phenomenon: karst, pseudocrast cave, deformation fabrics, fold
Genesis: aquatic (water activity), sedimentary, metamorphic (general metamorphism)
Rock: marble, dolomite, phyllite, greenschist

Territorial conservation

Level of protection: Nature reserve
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 and Biological Locality)
Part of the Geopark: Bohemian Paradise
Conflicts of interests: without conflicts

References

Mackovčin P., Sedláček M. a Kuncová J. (2002): Chráněná území ČR - Liberecko, Svazek III. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha.; Kachlík V. a kol. (2013): Základní geologická mapa ČR 1 : 25 000 , list 03-411 Rokytnice nad Jizerou, Česká geologická služba. Praha.; Prouza, V., red. (2010): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-413 Semily. Česká geologická služba. Praha.

Elaboration and Updating

Elaborated by: Lorencová Markéta, 23.11.07
Updated by: Mrázová Štěpánka 20.10.09, Prouza Vladimír 22.04.10, Kachlík Václav 11.11.12

Citation

The database Significant geological localities of the Czech Republic: 1637 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-16]. Available from: http:// lokality.geology.cz/1637.

Location in map: