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![Galapagos 2005 Expedition expl1242.jpg Galapagos 2005 Expedition](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl1242.jpg?itok=PGqZ0fQy)
Description
Galapagos 2005 Expedition. Hydrothermal vent fluids contain much dissolvedchemical material that flows out of the vent, rapidly cools and reacts with thesurrounding seawater, and then precipitates out minerals that form sediments on the surrounding seafloor. (Image credit: UCSB, Univ. S. Carolina, NOAA, WHOI.)