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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. 9372

No. of sample: g9372
Rock: granodiorit, magmatity hlubinné
Description: jeden kus
Localization: Dědovice /Ostroves/, o. Písek, 900m J soutoku Otavy s Lužnicí
Author: leg.Žežulková,1976
Comment: Středočeský pluton, list Veselíčko, chem. analysa, výbrus 15-16

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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]