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@article{1170063,
author = {Cempírek, Jan and Houzar, Stanislav and Novák, Milan and Groat, Lee and Selway, L.B. and Šrein, Vladimír},
article_number = {2},
doi = {http://dx.doi.org/10.3190/jgeosci.132},
keywords = {vanadium tourmaline trace elements structure refinement Moldanubian Zone Bohemian massif},
language = {eng},
issn = {1802-6222},
journal = {Journal of Geosciences},
title = {Crystal structure and compositional evolution of vanadium-rich oxy-dravite from graphite quartzite at Bítovánky, Czech Republic},
volume = {58},
year = {2013}
}
TY - JOUR
ID - 1170063
AU - Cempírek, Jan - Houzar, Stanislav - Novák, Milan - Groat, Lee - Selway, L.B. - Šrein, Vladimír
PY - 2013
TI - Crystal structure and compositional evolution of vanadium-rich oxy-dravite from graphite quartzite at Bítovánky, Czech Republic
JF - Journal of Geosciences
VL - 58
IS - 2
SP - 149-162
EP - 149-162
SN - 18026222
KW - vanadium tourmaline trace elements structure refinement Moldanubian Zone Bohemian massif
N2 - Two types of V-rich dravitic tourmaline (oxy-dravite to dravite) distinct in their color, morphology, paragenesis and composition from graphite quartzite at Bítovánky near Třebíč, Moldanubicum, Bohemian Massif, were studied by means of electron microprobe, laser ablation inductively coupled plasma mass spectroscopy (LA-ICP--MS), and single-crystal X-ray diffraction. Green oxy-dravite (GVD) from graphite quartzite is sporadically zoned with V-enriched rims; brown oxy-dravite to dravite (BVD) from mobilized quartz-rich nests is characterized by such V-enriched rims. Both types of V-rich oxy-dravite feature Al–Mg–V disorder between the Y and Z sites; V and Cr are preferentially located at the Y site. The V-rich oxy-dravite from Bítovánky has unusually high Ca contents and high proportion of vacancy at the X site. Most common trace elements include Ti, Cr, Mn, Zn, Sc, Ga, Sr, Ni, Sn, and LREE. High concentrations of V, Cr and Ti (as well as elevated Mn, Zn, Sc, Sn, and Sr) in the GVD and late BVD most probably result from hydrothermal dissolution of (Ti,V)-oxides and other accessory phases during a high-grade metamorphic overprinting of the host graphite quartzite assemblage.
ER -
CEMPÍREK, Jan, Stanislav HOUZAR, Milan NOVÁK, Lee GROAT, L.B. SELWAY a Vladimír ŠREIN. Crystal structure and compositional evolution of vanadium-rich oxy-dravite from graphite quartzite at Bítovánky, Czech Republic. \textit{Journal of Geosciences}. roč.~58, č.~2, s.~149-162. ISSN~1802-6222. doi:10.3190/jgeosci.132. 2013.
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