Zhovinsky E.Ya., Kryuchenko N.O., Zhuk O.A., Kuhar M.V., Dmitrenko K.E.
M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the National Academy of Sciences of Ukraine
Language: Ukrainian
Geochemistry and ore formation 2018, 39: 16-23
https://doi.org/10.15407/gof.2018.39.016
The characteristics of the microelement composition of crystalline rocks, ore-bearing strata and fluorites from the Bakhtin deposit located on the southwestern slope of the Ukrainian Sheet (Podolsk tectonic zone) are characterized. Typical associations of impurity elements in crystalline rocks have been established: pyroxene-plagioclase gneisses – Ag, Co; garnet-biotite gneisses – Ni, Be, Li; charnockites (granites, granodiorites) – Cu, Ni; pink-gray granites, various-grained to pegmatoid – Li, Cu, La, Ni; Garnet-biotite granites – Cr, Ni; Chudnov-Berdichev granites – Ba, Ga, Co, Cu, Be, Ni. It was determined that the fluorite-containing sandstones of the embedded ore texture are depleted in microelements, and the spherulite sandstones are enriched in Ba, Mn, Li, Y, P, Cu. It is established that the content of impurities in fluorite (slightly) is Mn, V, Ba, Sr, Li, Rb. It is proved that the most significant chemical elements in the fixation of faults and the detection of ore occurrences are F, Li, Mn. According to the data obtained, it is possible to determine the genesis of fluorite ore manifestations.
Keywords: fluorite, Bakhtyn deposit, microelements, fluorine, stratiform deposits.
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