Forms of arsenic concentration in sulfide-free endogenous Pb-Zn-Sb ores of the Pelagonian massif (Macedonia)

Ermolaeva V. N., Varlamov D. A., Chukanov N. V., Jančev S.

Zapiski RMO (Proceedings of the Russian Mineralogical Society). 2018. V. 147. N 4. P. 40-51

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Language: Russian


Specific features of chemical composition, isomorphism and zonality of minerals — concentrators of arsenic in specific sulfide-free ore-bearing metasomatites forming exocontact zone of Early Paleozoic metarhyolites with dolomitic marbles and baryte schists near the village of Neilivo (Pelagonian massif, Republic of Macedonia) have been investigated. The studied metasomatic rocks are enriched in chalcophile elements (Zn, As, Sb, Pb, Cu) entering in composition of oxydes and oxysalts. There are discussed mechanisms of distribution of different components (Mg, Zn, Cu, Ca, Pb, Y, Ln, F, OH) between associated arsenates, As-bearing phosphates and mottramite.

Key words: arsenates, isomorphism, chalcophile elements, metasomatic rocks, Pelagonian massif, Macedonia.