Geographically, the BCL Cu-Ni mine is located in Selebi-Phikwe, Botswana between longitudes 27o 47’ East and 27o 53’ East, and latitude 22o 55’ South 22o 00’ South (Ekosse et al., 2005). Mining of sulphidic nickel–copper–cobalt ore in the Selebi-Phikwe area started in 1973 and has been the main activity since.