Prismo Metals completes surface program, eyes Arizona copper target
Prismo Metals completed a 2026 surface reconnaissance program at its Silver King project near Superior, Arizona, expanding the mapped alteration footprint to about 2.1 by 2.4 km, supporting a deep, concealed porphyry copper target. Phase 1 drilling totaled eight holes for 1,272 meters. Assays from 23 remaining surface