black smoker


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black smoker

[¦blak ′smōk·ər]
(oceanography)
References in periodicals archive ?
For instance, SMS species are adapted to chemicals released by black smokers at levels that could be toxic to shallow-water species.
dissertation on the chemistry of the fluids gushing from the first deep-sea black smoker hydrothermal vents sampled on a mid-ocean ridge.
The vents at such sites are often referred to as black smokers because some emit hot, mineral-laden fluid that looks like dark, billowing smoke when it hits the icy cold seawater.
A black smoker is a rock tower shaped like a chimney.
exoculata ought to be able to detect black-body radiation from the tops of the black smoker chimneys that are gushing 350 [degrees] C vent water.
Cores taken from the black smoker chimneys tended to contain less anhydrite but more marcasite, sphalerite and chert, indicating lower temperature hydrothermal conditions.
The key to the creation of black smoker chimneys is an unusual chemical property of the mineral anhydrite, or calcium sulfate (CaS[O.
In 1988, on a cruise to the Juan de Fuca Ridge in the northeastern Pacific, Van Dover persuaded John Delaney of the University of Washington to take a picture of a black smoker vent with a charge-coupled device (CCD) camera while all of the submersible Alvin's external lights were turned off and the portholes blocked.
One of the most fascinating aspects of black smoker chimneys is how rapidly they form.
The power of the technique was most aptly demonstrated at the second site of the cruise, site 649, where the scientific party drilled next to an 11-meter-high black smoker.
They're not all big, they're not all the iconic black smokers, but they're places that likely support ecosystems, so there's way more places on the seafloor where animals can survive," Baker says.