Abstract
The ore body “T” is the newly discovered massive-pyrite type one which is located in the central part of the Bor copper mine. The main copper minerals are chalcocite-digenite, covellite and enargite. Small amounts of colusite are frequently present in the ore-body. It mostly occurs as the distinct exsolutions in digenite and, associating with enargite and covellite. Composition of the studied colusite shows enriched Sn content, giving an empirical formula from Cu24.7V1.8Fe0.2As5.1Sb0.2Sn0.8S32 to Cu26.7V2.0Fe0.3As3.0Sb0.3Sn3.5S32. This colusite represents a solid solution between colusite and nekrasovite within a range of 14–54 mol % nekrasovite. Most of the analyses show content of <50 mol % nekrasovite corresponding to the Sn-bearing colusite variety, while one analysis shows content of 54 mol % nekrasovite corresponding to the As-bearing nekrasovite.
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Published in Russian in Geologiya Rudnykh Mestorozhdenii, 2013, Vol. 55, No. 4, pp. 342–348.
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Cvetković, L., Pačevski, A. & Tončić, T. Occurrence of Sn-Bearing colusite in the ore-body “T” of the Bor copper deposit, Serbia. Geol. Ore Deposits 55, 298–304 (2013). https://doi.org/10.1134/S1075701513040077
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DOI: https://doi.org/10.1134/S1075701513040077