Magmatic-hydrothermal evolution of tourmaline from the elbaite pegmatite Dolní Rožínka, Czech Republic

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Authors	NOVOTNÝ František CEMPÍREK Jan
Year of publication	2019
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	The elbaite-subtype granitic pegmatite at Dolní Rožínka shows complex magmatic and metasomatic/hydrothermal history of crystallization from two types of pegmatitic melt followed by hydrothermal overprint, well recorded by tourmaline compositional and textural evolution. Primary magmatic tourmaline shows a gradual enrichment in Al+Li and Mn and decrease of Fe+Mg; transition to hydrothermal stage caused change of habitus to fibrous only. Hydrothermal fluids that metasomatically reacted with early minerals are strongly enriched in Ca and F.
Related projects:	Turmalín - indikátor geologických procesů