Volcanogenic massive sulfide deposits of the world; database and grade and tonnage models

Online link http://pubs.usgs.gov/of/2009/1034/
Description Information on VMS deposits from around the world with new grade and tonnage models for three subtypes of VMS deposits and data allowing locations of all deposits to be plotted using GIS.
Originators Mosier, Dan L.; Berger, Vladimir I.; and Singer, Donald A.
Publication U.S. Geological Survey Open-File Report 2009-1034
Metadata Questions and answers