Hydrothermal alteration of  tourmaline from tourmalinites in the Krkonoše Crystalline Unit, Bohemian Massif, Czech Republic

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Authors	ČOPJAKOVÁ Renata ŠKODA Radek BURIÁNEK David
Year of publication	2012
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	This abstract deals with the hydrothermal alteration of the tourmaline from tourmalinites in the Krkonoše Crystalline Unit, Bohemian Massif investigated by electron microprobe. Tourmaline from tourmalinite layers has undergone metasomatic replacement reactions in some cases. They include: a) replacement of early tourmaline by newly formed schorl - dravite (type iii), muscovite and quartz; b) replacement of schorl - dravite (type ii and iii) by chlorite and muscovite.
Related projects:	Chemical composition and structural order of natural tourmalines - geochemical versus crystal-structural constraints