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Super Porphyry 2003 - 04
Super Porphyry Cu/Au Deposits of the World
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[In the Escondida pit and core yard]

At the Escondida Mine   -   Left: Studying the leached cap above the main supergene orebody,   Right: Leyla Vaccia of Minera Escondida (right) explains the geology of the deposit as illustrated by drill core from a comprehensive set of drill holes through the deposit from the leached cap to un-enriched mineralisation.

The group had departed Antofagasta on a bus provided by Minera Escondida at 6:10 am, to arrive at the Escondida mine by 8:20 am.

Photographs by Mike Porter.
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