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Location: 25 km E from Noordoewer, Namibia
3rd Floor, Maerua Mall Office Tower, Jan Jonker AvenueWindhoekNamibia9000
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The Haib copper deposit is a porphyry copper deposit of Palaeoproterozoic age, approximately 1,880 Ma. Porphyry copper systems usually occur along subducted zones and commonly occur in clusters. The principal sulphides within the Haib body are pyrite and chalcopyrite with minor molybdenite. Bornite, digenite, chalcocite and covellite are also occasionally recorded. There is no major development of a supergene zone, probably due to high rates of erosion associated with the Orange River canyon. Near surface oxidation has led to the formation of malachite, azurite, chrysocolla, minor cuprite and chalcocite, generally along fracture zones. Oxide copper rarely extends to depths in excess of 30 m on these fracture zones. While the oxide zone volumetrically represents a fairly minor proportion of the deposit, grades are significantly above average giving the potential for some leachable copper from the oxide material. These portions of the deposit have not been examined in detail and there is significant potential to improve their volume and grade.A variable thickness transition zone exists over large parts of the deposit, between the surface and a pure sulphide (un-oxidised) zone, of approximately between 10 m and 20 metres thickness.Sulphide minerals are disseminated within the rock mass and found concentrated in blebs and along veinlets and fractures. Significant mineralisation commonly occurs along joint planes. High copper grades are typically associated with quartz veins. Gold, silver and molybdenum are trace constituents associated with the copper mineralisation. Molybdenite is occasionally seen as disseminated flakes and veinlets associated with other sulphides and in minor shears and quartz veins.
