black smoker


Also found in: Encyclopedia, Wikipedia.

black smoker

n.
A type of hydrothermal vent having a characteristic black color due to the compounds of iron and sulfide that precipitate from the dark, billowing plumes of superheated iron-rich water released by the vent.
References in periodicals archive ?
This black smoker is located in the Eastern Manus Basin off Papua New Guinea.
Finding black smoker vents on Mount Dent was a complete surprise," Connelly said in a statement.
5-inch-round window, I have just encountered my first black smoker hydrothermal vent, where hot fluids, laden with chemicals and minerals, spew like smoke from chimney-like rock formations.
Carbonate minerals from fluids at Lost City drape nearby cliffs in brilliant white and form vents ranging in shape from tiny toadstools to the eighteen-story column, named Poseidon, which dwarfs most known black smoker vents by at least one hundred feet.
org, click on Black Smoker Expedition, and then click on Alvin.
The researchers also found black smoker vents on the upper slopes of an undersea mountain called Mount Dent.
Black smoker chimneys precipitate copper-iron sulphides and anhydrite on mixing with ambient temperature sea water, while lower temperature hydrothermal flows (typically 260-300 [degrees] C) precipitate iron-zinc sulphides and silica.
We theorized that the dredged pieces must have come from the low-lying mounds that lay beneath and around black smoker chimneys.
In 1985, Cindy Van Dover, then a graduate student in biology in the MIT/WHOI Joint Program, discovered a novel light-sensing organ on a unique species of shrimp that lives at high-temperature, black smoker chimneys on the Mid-Atlantic Ridge.
Using specially designed fluid bottles and temperature probes, Alvin took samples of these black smoker chimneys, as well as the 350 [degrees] C fluids venting from them.