Bastion Minerals Ltd (ASX:BMO) has identified copper grades as high as 7.15% and 9.88% – both at shallow depths – through the reassessment of historic drill core at its ICE Copper Project in Canada’s Yukon Territory. Having found more than 10,000 metres of historic drill core, Bastion began testing it in a two-stage sampling process, with results from the first (smaller) batch yielding assays such as 10.98 metres at 7.15% copper (Cu) and 5.31 metres at 9.88% Cu, with both being taken from around 90 metres in depth. Historical intersections at the play have included 5.31 metres at 9.88% Cu, 0.3…