Porphyry copper deposits of the world; database and grade and tonnage models, 2008

Online link https://doi.org/10.3133/ofr20081155
Description Revised and updated information about mineral deposit models for porphyry copper deposits to facilitate assessment of undiscovered resources
Originators Singer, Donald A., Berger, Vladimir I., Moring, Barry C.
Publication U.S. Geological Survey Open-File Report 2008-1155

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