black smoker

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Related to Black smokers: Hydrothermal vent

black smoker

[¦blak ′smōk·ər]
(oceanography)
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Caption: SMS deposits (below, left) form around hydrothermal vents known as black smokers. The dark "smoke" is actually fluid expelled from the vents; minerals in this fluid settle around the base of the vent mound.
Of 300 sites identified since the discovery of black smokers in 1977, Hannington says only 165 have massive sulfide deposits.
Animals associated with black smokers live on bacteria that use dissolved chemicals from hot water coming out of vents to produce their food.
By race/ethnicity, interest in quitting was highest among non-Hispanic black smokers (75.6%), followed by non-Hispanic whites (69.1%), persons of other race/ethnicities (62.5%), and Hispanics (61.0%).
Scientists previously believed that the particles of pyrite produced by the vents were solids that settled back to the sea floor, but according to the new study, which was carried out by scientists at the University of Delaware, a significant amount of the pyrite particles produced by the 'black smokers' have diameters 1,000 times smaller than that of a human hair.
Black smokers, discovered in 1977, bring the deep ocean floor alive.
About 70 percent of black smokers used menthol cigarettes, compared to 30 percent of white smokers.
It will be used near sea chimneys - called black smokers - that are formed when magma-heated water shoots up through the earth's crust, bringing with it gold, silver, copper and zinc.
The glossary contains words such as antibiotic, black smokers, lichen, and warts.
Mining companies have become increasingly attracted to the potential returns from minerals that can be found around the vents of deep ocean volcanoes, also known as 'black smokers', which include gold, zinc, silver and copper.
Black smokers are more likely to report a desire to quit smoking and are less likely to be successful, they also said.
Researchers also found that Hispanic and Asian smokers were less likely than Black smokers to develop the disease, at least up to a point.