Resource Estimation of Tsumeb Tailings Dump, Namibia, August 2011. Prepared by Coffey Mining (SA) (Pty) Ltd on behalf of: Weatherly [...]

29 March 2010: Further to its announcement earlier today, the Company wishes to clarify that the net present value estimate [...]

The scope of work entailed preliminary pit optimisations that aimed to assess the economic potential of exploiting the deposit by [...]