ChalcociteM'Passa Mine, Boko Songho District, Bouenza Department, Republic of Congo
Photo: Peter Haas A copper-lead-zinc mine.
Carbonate hosted ore in the Schisto-calcareous Group of the West Congolian fold belt.
"M'passa is a village about 25km westsouthwest of Mindouli. There are several small mines around the village. The zinc copper mineralization produced some spectacular chalcocite crystals to 2-3cm in diameter and in groups up 15cm accross. I was able to collect several fine specimens in 1977 when the mines were still active." (Demetrius Pohl,
http://www.mindat.org/mesg-6-234115.html )
References
- Mining Annual Review (1985): 436.
Mineral List
2 entries listed. 2 valid minerals.
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