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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. 3620

No. of sample: g3620
Rock: diorit, magmatity hlubinné
Description: jeden kus
Localization: Bohutín, Klž, šachta 25.únor
Author: leg.Píša,1961
Comment: diorit je pročat žilkami sideritu a tzv. "bohutínským kruškem" Mladé tzv. "Bohutínské krušky" jsou v podstatě křemen s mladším galenitem II, boulangeritem, příp. jamesonitem

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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]