Jubilee today provides an update on its metallurgical test work in Zambia. Trials on high-grade run-of-mine (ROM) material for the Roan concentrator have been completed and a long-term supply agreement put in place: this will firm up forecasts with Jubilee expecting between 240 – 360 tonnes per month (tpm) of copper units. The trials on the ROM and the transitional “waste” ore have also shown promise with recoveries of 65% copper achieved. This provides confidence in the “Large Waste Project” wi ....