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seamount

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seamount

Large submarine volcanic mountain rising at least 3,000 ft (1,000 m) above the surrounding seafloor; smaller submarine volcanoes are called sea knolls, and flat-topped seamounts are called guyots. Seamounts are abundant and occur in all major ocean basins. By the late 1970s more than 10,000 seamounts had been reported in the Pacific Ocean basin alone. Virtually every oceanographic expedition discovers new seamounts, and it is estimated that about 20,000 exist worldwide.


seamount [′sē‚mau̇nt]
(geology)
A mountain rising from the ocean floor as a result of submarine volcanism.


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However, two new research papers show that most seamount animals can also be found in other deep-sea areas.
The remotely operated deep-sea vehicle Hercules was dispatched to "fly" up the slope of one seamount.
Koslow's studies of seafioor habitats around Macquarie Island, the Norfolk Ridge and Lord Howe Rise in the Tasman Sea led to a milestone paper in Nature on the diversity of seamount fauna in the south-west Pacific.
 
 
 
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