Northern Cape copper company Copper 360 announced on Wednesday that it has signed a memorandum of understanding (MOU) with DRDGOLD’s Far West Gold Recoveries tailings retreatment company to conduct a due diligence on its copper tailings dams to assess their economic copper recovery viability. During the due diligence period, Far West Gold Recoveries will, through an independent expert, determine the total tonnage of tailings material by Lider survey applying a density of 1.4 tonnes per cubic metre.