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Žíla tonalitového metaporfyru

General Characteristics

County (administration): Karlovy Vary Region
District (town): Karlovy Vary
Cadastre: Poříčí
Map 1 : 50 000 (sheet No): 1124, 11244
Geological region: Teplá, Tachov, Smrčiny, Svatava, Cheb-Dyleň a Slavkov crystalline complexes, Thüringen - Vogtland Palaeozoic; Karlovy Vary Massif (SE part)
Accessibility: - access without footpath
ID : 3815

Geology

Short characteristics of the site: The outcrop of tonalite metaporphyry vein. This rock is massive, resistant and so it forms conspicuous wall in the field. This rock is of granitoid appearance withouth macroscopic foliation. Its matrix is fine grained, consists mainly of plagioklase, biotite, clinozoisite-epidote and small quartz admixture.Also neomorphi garnet crystals were found. Except of this some plagioklase phenocrysts are present together with small amygdules filled by calcite. Geologically this locality belongs to the Teplá Crystalline and volcanics of the Cadomian age.
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Bohemicum (Central Bohemian region) - Teplá crystalline complex
Stratigraphy: kadomské stáří vyvřelin
Subject: geology, petrology, geomorphology, lithology
Geological phenomenon: characteristic rock, rock salient
Genesis: metamorphic (general metamorphism), volcanic
Rock: porphyry

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

Žáček et al. (2015) : Vysvětlivky ke geologické mapě 11-244 list Žlutice. - MS Archív ČGS Praha.

Elaboration and Updating

Elaborated by: Žáček Vladimír, 01.12.14

Citation

The database Significant geological localities of the Czech Republic: 3815 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-03-28]. Available from: http:// lokality.geology.cz/3815.

Location in map:

Links to neighbouring localities within 2 km radius are available on mouse click in the map window.
Výhled z výchozu metaporfyru do údolí Střely, Vladimír Žáček, 2010
Vzorek metaporfyru s patrnými mandlemi s kacitovou výplní, Vladimír Žáček, 2010


(C) 2003-2012 ČGS, verse aplikace 1.21 [3.2.2016]