2021-07-19 by Proactive Australia Predictive Discovery Ltd (ASX:PDI) shares have reached a new eight-year high, up more than 55% to as much as A$0.1475 intra-day on the back of bonanza grades at the Bankan Gold Project in Guinea that revealed a new high-grade zone. The high-grade intersections have extended the gold core zone down dip for more than 250 metres, which is also open at depth. Notable results over broad widths and consistency increasing at depth include: 49.7 metres at 11.7 g/t gold from 301 metres, including 17 metres at 31.9 g/t from 313 metres and 7 metres at 50.3 g/t; and 55.6 metres at 5.7 g/t from 237 metres, including 40 metres at 7.3 g/t from 239 metres.