General Characteristics

County (administration): Karlovy Vary Region
District (town): Karlovy Vary
Cadastre: Horní Blatná
Map 1 : 50 000 (sheet No): 0143, 01433
Geological region: Krušné hory Mts. crystalline complex; Karlovy Vary Massif (SW part)
Accessibility: - no traffic restriction ( by car)
Technical object: sand pit
Excursion locality: yes
ID : 1964

Geology

Short characteristics of the site: An abandoned sandpit in the residue of topaz-bearing biotite granite 1 km WSW of Horní Blatná. Granite is disintegrated into coarse sand down to a depth of min. 6-8 m. This residue also contains quartz-tourmaline nodules max. 10 cm in diameter.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Saxothuringicum - Krušné hory Mts. Pluton
Stratigraphy: variské (hercynské) stáří vyvřelin
Subject: petrology
Geological phenomenon: outcrop
Genesis: anthropogenic (anthropogenic activity), magmatic, weathering
Rock: granite

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: Egeria
Conflicts of interests: waste disposal

References

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Elaboration and Updating

Elaborated by: Breiter Karel, 26.02.04
Updated by: Mlčoch Bedřich 07.10.09

Citation

The database Significant geological localities of the Czech Republic: 1964 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-02]. Available from: http:// lokality.geology.cz/1964.

Location in map: