“Massive Discovery”: 5.3km Continuous Copper Strike Now Defined says Midnight Sun’s Adrian O’Brien

Mining Stock Education · May 16, 2026 · 30m

MSE host Bill Powers interviews Midnight Sun Mining VP Adrian O’Brien for an update on the company’s Dumbwa copper discovery in Zambia’s Copperbelt. O’Brien shares how the company has now defined continuous copper mineralization over 5.3km of strike. He explains the release of assays from 99 drill holes after lab delays and QA/QC issues, saying results confirm continuity, scale, and a clear geological analog to Barrick’s neighboring Lumwana mine, with variable grades consistent with a bulk-tonnage system. He discusses the 20-km copper-in-soil anomaly, methodical fence-line drilling (four…