The Kamoto underground mine is Katanga’s primary sulfide ore source. It entered operation in 1969 under the DRC’s state-owned mining company G camines. During the 1980s it produced an average of three million tonnes of ore per year and, prior to its restart under Katanga’s ownership, the mine had produced a total 59.3 million tonnes of ore, with an average copper grade of 4.21% and an average cobalt grade of 0.37%.

The mine has twin six-and-a-half by six-meter ramp declines, a service shaft and an 11,000 tonne per day production shaft. Following initial refurbishment and maintenance to the pump station, ventilation, crusher and winder, as well as the arrival of a new underground mining fleet, the mine restarted operations in March 2007 and is currently ramping up production.

Mining is a combination of newly introduced longhole retreat stoping, and historical room and pillar method and cut and fill mining. The ore is taken to the underground crusher before being hauled up the shaft to the surface in skips.

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Key facts

  • Sulphide ore mine first opened in 1969
  • 59.3 million tonnes of ore mined prior to restart, at an average grade of 4.21% copper and 0.37% cobalt
  • Operations restarted March 2007

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