DBPapers
DOI: 10.5593/SGEM2015/B11/S1.047

POLYMETALLIC ORE PARAGENESIS IN THE PLAVICA ORE DEPOSIT, EASTERN MACEDONIA

T. Serafimovski, G. Zlatkov, G.Tasev, I. Ivanovski
Tuesday 4 August 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-31-5 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 1, 369-376 pp

ABSTRACT
Within this paper we are going to present results of our study of the Plavica deposit, Eastern Macedonia, epithermal gold and associated mineral phases that have been identified in silicified tuff, secondary quartzite, quartz-pyrite-enargite veins and mainly disseminated wi¬thin an altered, but mostly silicified volcanic setting. Also, there we have determined the presence of contaminated pyrite, zinc-tetrahedrite, enargite, and certainly seligma¬nite regularly and commonly present copper association led by chalcopyrite, followed by bornite, chalcocite, covellite, as well as as slightly higher temperature associations of arse¬nopyrite and molybdenite. For illustration we want to emphasize that in pyrite we found increased concentrations of copper and zinc and less silver, then enargite with incre¬a¬sed zinc concentrations (0.24-7.56 Zn), antimony (0.46-1.33% Sb) and silver (0.09-0.54% Ag), as well as tennantite with increased iron (0.21-1.55% Fe), zinc (6.24-9.06% Zn) and silver (0.08-0.87% Ag), while within the molybdenite elevated concentrations were detected for sulfur and iron.

Keywords: Plavica deposit, mineralogy, high-sulphidation, epithermal, gold.

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