Super Porphyry 2003 - 04
Super Porphyry Cu/Au Deposits of the World
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At Collahuasi   -   After concise, but detailed briefings the group was taken to both the Ujina and Rosario pits that constitute the Collahuasi operation, before studying the hosts, ore and alteration in drill core.   Left: Kevin Olshefsky (left) of Minera Collahuasi discusses the deposit at Ujina with Ricardo Presnell of Kennecott.   Right: Chief Geologist, Manuel Duran (right) and Mike Buchanan (middle) of Minera Collahuasi discuss aspects of the deposit in the pit at Rosario with Craig Parry (left) of Rio Tinto.   Photographs by Mike Porter
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