Takeover target Unity Mining has reported a 42% decline in revenue for the six month ending December, compared with the previous corresponding period, as mining ceased at the Henty mine, in Tasmania. Unity also reported a net loss after tax of A$9.6-million, which was on par with the net loss of A$9.4-million reported in the previous corresponding period, after an impairment of more than A$10.8-million was recorded for the Dargues gold mine, in New South Wales.