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Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.

Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.
Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.
Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.
Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.
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Hickey, Patrick
Black smoker chimney at 17° S on the East Pacific Rise, seen through viewport.
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10/01/2007
pathickey.vent.jpg
Caption from Oceanus magazine, Vol. 41, No. 2, Pg. 22:
Alvin's manipulator reaches toward a black smoker chimney, seen through the sub's viewport, at 17°S on the East Pacific Rise. Hot hydrothermal fluids surge through the chimney at velocities of 1 to 5 meters per second. The "black smoke" consists of an abundance of dark, fine-grained, suspended particles that precipitate when the hot fluid mixes with cold seawater.
Caption from Oceanus magazine, Vol. 51, No. 1, pg. 7:
In 1979, scientists discovered black-smokers chimneys gushing like seafloor geysers and spewing hot chemical-laden black fluids.
Photo by Patrick Hickey
© Woods Hole Oceanographic Institution
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