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 This sulfide structure is part of the "Bio 9" hydrothermal vent at 9 degrees N on the East Pacific Rise. White tubes of Alvinellid worms densely cover this particular black smoker chimney, and a vent crab is visible at the base of the chimney. (Stace Beaulieu, Woods Hole Oceanographic Institution) [back] |
Last updated: June 14, 2013