Abstract
Intercalations of muscovite-quartz rocks have been investigated in leucocratic orthogneisses of the Svratka crystalline complexes (western Moravia). General characteristics for distinguishing apogranite greisens affected by regional metamorphism from metapelitic mica schists are given. The regionally metamorphosed greisens at Jimramovske Paseky are described in greater detail. — The greisens originated through greisenization of paraschists and afterwards affected by regional metamorphism can not be identified unequivocally due to lack of precise knowledge of their pregreisenization starting material.
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