OzAurum Resources (ASX: OZM) has reported strong heap leach column testwork from the James Stage 1 Open Pit at its Mulgabbie North Gold Project in Western Australia, with gold recoveries of up to 82% at a -12mm crush size and laboratory indications of 88% recovery at the intended -8mm operating crush size. The company also reported a high-grade diamond drill intercept of 6m @ 11.64 g/t Au from 22m, including 1m @ 61.10 g/t Au from hole MNODH 022.