Tag Archives: DOZ Deep Ore Zone

6 Kilometers Underground

PTFI has several of the fastest growing underground mines in the industry. In 2017, when GBC (Grasberg Block Cave) begins production, it will be the largest underground hard rock mine in the world, and PTFI’s collection of GBC, DOZ (Deep … Continue reading

Posted in Ally Rose, Tembagapura | Tagged , , , , , , , | 5 Comments