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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. 5720

No. of sample: g5720
Rock: granit (žula), magmatity hlubinné
Description: jeden kus, vrtné jádro
Localization: šachta Svornost, vrt HG-4
Author: leg.V.Sattran,1960
Comment: hrubozrnná biotitická, zčásti autometamorfovaná list Jáchymov 1:50000

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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]