Porphyry copper deposits of the world: database, map, and grade and tonnage models

Online link http://pubs.usgs.gov/of/2005/1060/
Description A compilation of worldwide mineral deposits of this type. This older version was revised and updated in OFR-2008-1155.
Originators Singer, Donald A.; Berger, Vladimir I.; and Moring, Barry C.
Publication U.S. Geological Survey Open-File Report 2005-1060

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