PHIL HILL / SCIENCE PHOTO LIBRARY PHIL HILL / SCIENCE PHOTO LIBRARY
Volcanogenic massive sulphide ore deposit. Woman holding rock from a volcanogenic massive sulphide (VMS) ore deposit. The deposit was formed when the area was underwater. The sulphide minerals precipitated out of hydrothermal fluids. VMS ore deposits are rich in a number of metals including gold and copper. Photographed in Kenya.
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