Tis u Blatna - granitový lom
General Characteristics
County (administration):
Plzeňský kraj
District (town):
Plzeň-sever
Village:
Tis u Blatna
Cadastre:
Tis u Blatna
Map sheets:
12-13 Jesenice, 12-133 Jesenice
Accessibility:
special entry permit necessary (military area, quarry, private land)
Technical object:
quarry
ID:
3519
Geology
Short characteristics of the site:
Barrandian Neoproterozoic and magmatites. Active quarry where "Tisá granite" is being exploited. This rock can be classified as biotite granite, coarse grained,slightly porphyric, homogeneous, of greyish-bluish colour. Interesting enclosure of Proterozoic schists are present as well as veins of hydrothermal quartz. In some parts phenocrysts of potassium feldspar are present. Broad spectrum of accessoric minerals, also with fluorite and monazite.
Regional geologic unit:
Bohemian Massif > Bohemicum > Magmatites in Bohemicum > Louny Massif > Tisá Massif
Stratigraphy:
Upper Cambrian
Subject:
geology, petrology
Geological phenomenon:
intrusion
Genesis:
magmatic
Rock:
granite
Territorial protection
Level of protection:
Registered interesting geological localities
Conflicts of interests:
exploitation
References
- Venera,Z.- Schulmann, K.(1999):Intrusion within transtensional tectonic domain:the Čistá granodiorite (Bohemian Massif).- Ph.D. thesis,Fac. Natur. Sci.,CH.U., 52-76.Prague
- 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:
Petr Štěpánek, 02.05.2012
Updated by:
Vajskebrová Markéta, 22.04.2021
Citation
The database Important geological localities of the Czech Republic: 3519 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3519.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
major
Significance:
regional
Representativeness:
major
Geological importance:
geo-regional value (mapping)
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
