Metamorphites
The metamorphic rocks are derived from pre-existing sedimentary and magmatic rocks by mineralogical, chemical, and structural changes, essentially in the solid state, in response to marked changes in temperature and/or pressure (both hydrostatic and oriented), during deeper burial into deeper parts of the Earth´s crust. During these processes parallel orientation of newly formed minerals generally forms (schistosity). Hydrothermal metamorphism represents a special type, because it is related to the migration of solutions near ore veins. Contact metamorphism results from temperature effect near contact with magmatite bodies.
List of exhibitsbřidlice chloriticko-amfibolitická, jeden kus g6024fylit, jeden kus g6074 kvarcitický fylit"páskovaný", jeden kus g6075 svor - albitický, chlor.-musk., jeden kus g6027 grafitický fylit, jeden kus g6076 migmatit - stromatitický, jeden kus g6028 rula -pyroxenicko-amfibol.biot, jeden kus g6029 pararula - sillimanit-biotit., jeden kus g6030 pyroxen-amfibol.granulit, dva kusy g6034 grafiticko-sericitický fylit, jeden kus g6077 ortorula, jeden kus g6171 hadec, jeden kus g6173 migmatit - granát. biotitický, jeden kus g6174 stromatit, jeden kus g6175  skarn amfibolitický, jeden kus g6176 stromatit biotitický, jeden kus g6177 ortorula - biotitická, jeden kus /vrtné jádro/ g6205 metabasit -/stlačený diabas/, jeden kus /vrtné jádro/ g6207 ortorula, jeden kus /vrtné jádro/ g6211 žulorula, jeden kus g6250 | ||
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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]