General Characteristics

County (administration): Liberec Region
District (town): Česká Lípa
Cadastre: Heřmanice v Lužických horách, Mařenice
Map 1 : 50 000 (sheet No): 0313, 03133
Geological region: Czech Cretaceous Basin - Jizera Cretaceous & Cretaceous of the lower section of Labe River, Ploučnice, Kamenice and the Děčínský Sněžník Mt.
Accessibility: - passable footpath
ID : 33

Geology

Short characteristics of the site: A forested hill. Its summit area is formed by a volcanic body exhumed from the surrounding Cretaceous sediments (outcrops of the Březno Formation sandstones). Volcanic rock can be classified as sodalite alkaline trachyte with analcite and nepheline. Thick talus fields on the hill slopes. A petrologically interesting locality.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Tertiary - Dispersed Alcalic volcanits
Stratigraphy: kenozoikum - terciér (paleogén - neogén)
Subject: geomorphology, petrology, botany, sedimentology
Geological phenomenon: block field, gully, rock salient, rock, rock pillar, scree field, honeycombs, selective erosion
Genesis: volcanic , sedimentary
Rock: trachyte

Territorial conservation

Level of protection: National nature reserve in Protected landscape area
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 LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Lužické hory
Conflicts of interests: without conflicts

References

Shrbený, O. - Macháček, V. (1973): Microelements in melilitic rocks in northern Bohemia. - Čas. min. geol., 19, 1, 15 - 25, Praha. Mackovčin P., Sedláček M. a Kuncová J. (2002): Chráněná území ČR - Liberecko, Svazek III. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, Praha, 331 s.

Elaboration and Updating

Elaborated by: Valečka Jaroslav, 11.11.94
Updated by: Adamovič Jiří 17.02.07, Lorencová Markéta 26.06.07, Valečka Jaroslav 11.11.08

Citation

The database Significant geological localities of the Czech Republic: 33 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-19]. Available from: http:// lokality.geology.cz/33.

Location in map: