Economic filters for evaluating porphyry copper deposit resource assessments using Grade-Tonnage Deposit Models, with examples from the U.S. Geological Survey Global Mineral Resource Assessment [electronic resource] / by Gilpin R. Robinson, Jr., and W. David Menzie ; Michael L. Zientek, Jane M. Hammarstrom, and Kathleen M. Johnson, editors.
Publication Info.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, Global Mineral Resource Assessment, 2012.