Fe-vermiculite pseudomorphs after biotite crystals from granodiorites of the Brno Massif (Czech Republic)

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Authors	PROKOP Jiří LOSOS Zdeněk GADAS Petr VŠIANSKÝ Dalibor
Year of publication	2012
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	The occurrence of columnal euhedral „biotite“ crystals with focus on their crystallochemical properties, mineral inclusions and alteration products from granodioritic rocks of the „Kralovo Pole“ unit, Brno Massif, have been studied. Micromorphological descriptions, microprobe analysis and X-ray powder diffraction were used to investigate the chemical and structure changes and the mechanism of biotite breakdown into Fe-rich vermiculite during the alteration processes.