President Sillitoe, members and friends of SEG: Julian Hemley is the Penrose Medalist for the year 1999. It is a perfect fit! Julian is the best in the world at what he does: experimental hydrothermal geochemistry aimed specifically at understanding processes of wall-rock alteration and metal deposition in ore deposits. Chuck Meyer summed it up best in 1987 while introducing Julian for the SEG’s silver medal. Chuck said, "Julian’s early work has been so widely applied that many recent writers no longer document the source. His conclusions have thus received the ultimate highest accolade: they are accepted as common knowledge!"...

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