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Plutonites

      The plutonic magmatites (plutonites) resulted from the solidification and crystallization of magma in major depth below the surface. During this process progressive crystallization of silicate melt takes place. This fractionated crystallization cased a magma differentiation and formation of a suite of plutonites. Also assimilation of materials from surrounding rocks of the magmatic chamber affects the composition of plutonites.


Exhibition detail no. 3884

No. of sample: g3884
Rock: granit (žula), magmatity hlubinné
Description: jeden kus
Localization: Cínovec, vrt Cn 51, hl.131, 20m
Author: leg.Štemprok 1961
Comment: albitisovaná, silně sericitisovaná a fluoritisovaná

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Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]