A copper-rich silica replacement bod at Lincoln showing (left), with a feeder vein of quartz- tetrahedrite and chalcopyrite (right) containing 1.43% Cu and 1,420 g/t Ag.
A copper-rich silica replacement bod at Lincoln showing (left), with a feeder vein of quartz- tetrahedrite and chalcopyrite (right) containing 1.43% Cu and 1,420 g/t Ag.