 Productivity began to decline in 2007 and 2008, and Anvil suspended tailings operations at the end of 2008.In February 2010 it was announced that the Australian exploratory mining company Mawson West was to acquire the Dikulushi copper-silver mine, which had been on care and maintenance since the fourth quarter of 2008.Anvil would receive 28% stake in Mawson in return.