Super Porphyry 2003 - 04
Super Porphyry Cu/Au Deposits of the World
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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.   Photographs by Mike Porter
[Leached cap] [Core]

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