Highly altered volcanic sediment above a hydrothermal vent at the bottom of the crater at Macauley cone.

Highly altered volcanic sediment above a hydrothermal vent at the bottom of the crater at Macauley cone. 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: April 15 Log

NOAA Ocean Explorer Gallery

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