Publication details

Tourmaline vs. rare-element mineralization in the Velká Bíteš pegmatite field, Czech Republic



Year of publication 2017
Type Conference abstract
MU Faculty or unit

Faculty of Science

Description Rare-element pegmatites (with elevated contents of Li, Sn, Ta, and W) were studied at four localities: Osová Bítýška, Vlkov, Křižínkov and Křoví. Pegmatite at Osová Bítýška has Li mineralization (lepidolite, tourmaline) and high contents of F, Rb, Cs and elevated Sn (lepidolite, topaz, tourmaline, phosphates). Pegmatite of Vlkov contains elevated Nb (oxides) and F (tourmaline). The pegmatite Křižínkov 2 contains elevated REE and Zr (monazite, zircon, xenotime, cheralite) and increased contents of Nb and F (columbite, tourmaline). The Li-pegmatite at Křižínkov is well fractionated, contains elevated Li, F, Sn, and W (tourmaline – elbaite, cassiterite, wodginite, ixiolite); similar degree of fractionation is in the adjacent pegmatite at Křoví. All studied pegmatites have tourmalines with high contents of Fe and F and very low contents of Mg, indicating their increased fractionation.
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