Heavy Metal Pollution from Gold Mines: Environmental ...
· Elevated levels of As have been reported in gold mine tailings at Obuasi, Ghana. Ahmad and Carboo [ 82 ], reported 8305 mg/kg while Bempah et al. [ 63 ] found a concentration of 1752 mg/kg. The Obuasi region has been reported to be one of the regions in the world with elevated levels of As which has been attributed to the richness of arsenopyrite (FeAsS) mineralization in the goldbearing .