Porphyry copper deposit. The mine produces 8 million tons/year of ore.
References:
- Mining Annual Review (1985): 526.
- Strashimirov, S., Petrunov, R., and Kanazirski, M. (2002): Porphyry-copper mineralisation in the central Srednogorie zone, Bulgaria. Mineralium Deposita 37, 587-598.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.
- Peytcheva, I. et al. (2009): Mineralogy and Petrology 96, 19-41.
Mineral List:51 entries listed. 38 valid minerals.
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