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Description
Pacific Ring of Fire Expedition. Photograph of three small (~30 cm tall) actively venting spires sitting on top of one of the chimneys in the Black Forestvent field. The chimneys themselves are about 7 m tall. The fluids here areventing at 240??C and are expelling black (mineral-rich) smoke in the ocean. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)