Aldoro Resources (ASX:ARN) collected samples after it completed a 5,160-meter pre-drill trenching program at the Kameelburg rare earth elements and niobium project in Namibia, according to a Wednesday Australian bourse filing.
It tested 22 trenches, ranging in length from 70 meters to 600 meters, with samples to be tested for niobium and rare earth elements, the filing said.
Its shares fell 4% on market close.