Super Porphyry 2003 - 04
Super Porphyry Cu/Au Deposits of the World
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Underground in the Grasberg / Ertsberg skarns  -   Left:   Herry Susanto of the Freeport Underground Geology group (second from right) with 'Budi' Boedijono (on the right) points out aspects of the mineralisation to Peter Pelly (BHP Billiton - South Africa) and other members of the tour group in the Kucing Liar deposit adjacent to the Grasberg Igneous Complex.   Right:  Looking at the geological/mining plan in the DOZ skarn adjacent to the Ertsberg Intrusive prior to inspecting the ore/geology at draw points and in drives.   The underground visit was followed by three presentations to the PT Freeport Indonesia geological staff by tour group members on copper-gold systems elsewhere in the world, before being driven back to Timika in the lowlands as the Freeport organisation proceeded smoothly to plan.   Photographs by Mike Porter
[Kucing Liar] [Ertsberg Underground]

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