Drill core at Batu Hijau, Sumbawa Island, Indonesia  -  Following a briefing over drill sections and level plans, the group was shown core from representative holes through different levels of the orebody - Left: Dudy Setyandhaka (left), takes the group through the drill 'sections' and zoning of the orebody and the drill holes laid out.   Right: Studying and discussing the core.

Photographs by Mike Porter