Porphyry copper deposits of the world [electronic resource] : database and grade and tonnage models, 2008 / by Donald A. Singer, Vladimir I. Berger, and Barry C. Moring.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008.
Mode of access: Internet from the USGS web site. Address as of 8/18/08: http://pubs.usgs.gov/of/2008/1155/of2008-1155.pdf; current access available via PURL.
Note
Title from title screen (viewed on Aug. 18, 2008).
At head of title on HTML title screen: Western Mineral Resources.
