Drill fans were spaced 10 m apart with 4–5 holes per fan designed to penetrate the vein every 15 m vertically on dip, or in the center of each stope panel. Drill recovery was >90% overall with very few instances of poor vein recovery.
Drill fans were spaced 10 m apart with 4–5 holes per fan designed to penetrate thevein every 15 m vertically on dip, or in the center of each stope panel. Drill recoverywas >90% overall with very few instances of poor vein recovery.