Super Porphyry 2003 - 04
Super Porphyry Cu/Au Deposits of the World
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The Spence Project   -   Left: After a briefing on the geology of the deposit, Project Geologist Christian Feddersen (left), led a core inspection session at the project office in Calama.   Right: The group then drove 50 km south-west to the decline portal developed in leached cap bedrock just below the unconformity with the cover gravels.   Photographs by Mike Porter
[Drill core] [Decline portal]

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