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Corbett Model figure |
pH vs temperature |
Staged porphyry Cu-Au Evolution |
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Safety precautions while teaching geological mapping Lihir Island, Papua New Guinea
(it’s behind you!)
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Russian helicopter
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Greg with the exploration team Tambomago, Peru |
Southern Peru view |
Explaining a model observed by Miroslav Kalinaj |
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Approaching storm in the Andes, southern Peru |
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