Publication details

MAFIC MICROGRANULAR ENCLAVES FROM GRANITOIDS OF THE BRNO MASSIF EXPOSED IN THE VICINITY OF BLANSKO

Authors

GADAS Petr GREGEROVÁ Miroslava

Year of publication 2006
Type Article in Periodical
Magazine / Source Mineralogica Polonica
MU Faculty or unit

Faculty of Science

Citation
Field Geology and mineralogy
Keywords microgranular enclaves- granioid - Brno massif
Description The presence of some macroscopic signs (dark “chilled” fine-grained margins, parallel arrangement of minerals to the contacts) is the evidence of comagmatic evolution of the enclaves and the host rocks. Acicular crystals of apatite are indicative of rapid crystallization of the enclaves liquid. Plagioclase xenocrysts support a concept of mutual mechanical exchanges. Close geochemical trends of the enclaves and the host rocks are most likely caused by an intensive chemical interactions.
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