Dateline Resources (ASX:DTR) found broad zones of mineralization outside the mineral resource during drill testing of the northeast extension at the North Pit within the Colosseum project in California, according to a Friday filing with the Australian bourse.

Results include 287 meters at 1.1 grams per tonne (g/t) grade of gold, including nearly 18 meters at 6.1 g/t grade of gold from 19 meters, 214 meters at 1.1 g/t grade of gold, including 88 meters at 1.6 g/t grade of gold from 12 meters, the filing said.

Two rigs are focusing on rare earth mineralization through an expanded 18-hole program, with a third rig being recommissioned to simultaneously test for gold extensions, per the filing.