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Description
Pacific Ring of Fire Expedition. Active smoker chimneys precipitating iron,copper and zinc sulfides from 230??C fluid. 9 meters tall from the base to thetop of the chimneys seen in the photograph. Dark beehive-type chimneys,here about 30 cm tall, commonly sit on top of these structures. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)