General Characteristics

County (administration): Ústí nad Labem Region
District (town): Louny
Cadastre: Blatno u Podbořan
Map 1 : 50 000 (sheet No): 1213, 12133
Geological region: Barrandian Proterozoic; Tisá and Čistá-Jesenice massifs
Accessibility: - no traffic restriction ( by car)
Technical object: guarry
ID : 3521

Geology

Short characteristics of the site: Bohemian magmatites, West BOhemia. Natural outcrops and small abandoned quarry showing biotite granite of so called "Blatno type". It differs from surrouding granites by its pinkish phenocrysts of potassium faldspar, pinkish quartz as well and greater amount of biotite. Strong mylonitization can be observed accompanied by formation of thin quartz veins. Zircon, apatite, monazite are present as accessories.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Magmatites in Bohemicum
Stratigraphy: paleozoikum - kambrium
Subject: geology, petrology, structural geology
Geological phenomenon: intrusion
Genesis: magmatic
Rock: granite, mylonite

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
Conflicts of interests: without conflicts

References

Seifert A., red. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 12-133 Jesenice. Česká geologická služba. Praha.

Elaboration and Updating

Elaborated by: Štěpánek Petr, 02.05.12

Citation

The database Significant geological localities of the Czech Republic: 3521 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-28]. Available from: http:// lokality.geology.cz/3521.

Location in map: