Mikrogranit - Zabuza; Hrádek

General Characteristics

County (administration): Plzeňský kraj
District (town): Klatovy
Village: Hrádek
Cadastre: Čermná
Map sheets: 22-31 Sušice, 22-313 Velhartice
Accessibility: passable footpath
Technical object: quarry
ID: 3862


Geology

Short characteristics of the site: The old abandoned quarry, completely overgrown, the wall of which is subdivided into two levels. In the lower one microgranite occurs, on the upper one microgranodiorite is present. In the microgranite radial aggregates of quartz and feldspar occur. They possibly originated by a devitrification of former glass matrix. In the granodorite a foliation with preferred orientation of minerals can be seen. The locality belongs to the Moldanubicum Zone. the Šumava Mts. area.
Regional geologic unit: Bohemian Massif > Moldanubicum > Metamorphic units in Moldanubicum > Moldanubicum of Šumava and South Bohemia
Stratigraphy: Proterozoic - Paleozoic
Subject: petrology
Geological phenomenon: rock, characteristic rock
Genesis: magmatic
Rock: granodiorite


Territorial protection

Level of protection: Registered interesting geological localities
Conflicts of interests: vegetation


References
  • Žáčková E. a kolektiv autorů (2015): Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 list 22313 Velhartice.- Česká geologická služba Praha.

Elaboration and Updating

Elaborated by: Eliška Žáčková, 09.06.2015
Updated by: Kukal Zdeněk, 29.09.2017


Citation

The database Important geological localities of the Czech Republic: 3862 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3862.


Location in map:

Assessment

Scientifical assesment: minor
Educational assesment: middle
Significance: regional
Representativeness: middle
Geological importance: geo-regional value (mapping)
Locality conditions: acceptable

You can send information about a change in the status of the site to lokality@geology.cz


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]