metal / important metal contributors / hydrothermal systems / epithermal precious-metal deposits / seawater convective systems / flow systems / upflow systems / acidic solutions / base-metal deposits / higher metal contents / chemical / observed metal contents / hydrothermal solutions / chemical precipitates / metal supply / /
NaturalFeature
Mt Zn / Red Sea / Mt Cu / Indian Ocean / Mt. Reed / /
OperatingSystem
VMS / /
Organization
U.S. Government / U.S. Department of the Interior / /
Person
Scott / Yang / Peter / Langseth / Williams-Jones / Rona / Harold Helgeson / Anderson / C. Pat Shanks III / Lowell / Marcia K. McNutt / /
Position
Director U.S. Geological Survey / Singer / Volcanogenic Massive Sulfide Occurrence Model Scientific Investigations Report / R.N. / Secretary U.S. Geological Survey / /