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![Pacific Ring of Fire Expedition expl0074.jpg Pacific Ring of Fire Expedition](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl0074.jpg?itok=Tzt9NfzK)
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)