The extensive iron-dominated venting at Healy volcano was a surprise. Large areas (acre size) on several young volcanic cones were covered with actively forming or recently active microbial mat. Image courtesy of New Zealand-American Submarine Ring of Fire 2005 Exploration, NOAA Vents Program.
Related Links
New Zealand American Submarine Ring of Fire 2005
New Zealand American Submarine Ring of Fire 2005: Leg 2 Summary Log
