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The Bear Seamount (left), a guyot in the northern Atlantic Ocean. In marine geology, a guyot (/ ˈ ɡ iː. oʊ, ɡ iː ˈ oʊ /), [1] [2] also called a tablemount, is an isolated underwater volcanic mountain with a flat top more than 200 m (660 ft) below the surface of the sea. [3] The diameters of these flat summits can exceed 10 km (6 mi). [3]
Darwin Guyot is a volcanic underwater mountain top, or guyot, in the Mid-Pacific Mountains between the Marshall Islands and Hawaii.Named after Charles Darwin, it rose above sea level more than 118 million years ago during the early Cretaceous period to become an atoll, developed rudist reefs, and then drowned, perhaps as a consequence of sea level rise.
The seamount lies in the Western Pacific Ocean [3] northwest of Marcus Island [5] and about halfway between Japan and the Marshall Islands. [6] The Marcus-Wake Seamounts lie nearby, [3] but MIT Guyot is a more isolated volcanic edifice [2] that is sometimes considered to be a member of the Japanese Seamounts. [7]
Vlinder Guyot (also known as Alba Seamount) is a guyot in the Western Pacific Ocean. It rises to a depth of 1,500 metres (4,900 ft) and has a flat top covering an area of 40 by 50 kilometres (25 mi × 31 mi). On top of this flat top lie some volcanic cones, one of which rises to a depth of 551 metres (1,808 ft) below sea level.
Koko Guyot is a 48.1-million-year-old guyot, [3] a type of underwater volcano with a flat top, which lies near the southern end of the Emperor seamounts, about 200 km (124 mi) north of the "bend" in the volcanic Hawaiian-Emperor seamount chain. [5]
The du Temple monoplane. Some notable powered hops were made before the problem of powered flight was finally solved. In 1874 Félix du Temple built a steam-powered aeroplane which took off from a ramp with a sailor on board and remained airborne for a short distance.
The formation consists of a flight of four aircraft, consisting of a "lead element" and a "second element", each of two aircraft. When viewing the formation from above, the positions of the planes resemble the tips of the four fingers of a human right hand (without the thumb), giving the formation its name.
Yuryaku Seamount (also called Yuryaku Guyot) is a seamount (underwater volcano) and guyot (flat-topped) located northwest of Hawaii. It is located a little southwest of the V-shaped bend separating the Emperor Seamounts from the older Hawaiian islands, all of the Hawaiian-Emperor seamount chain in the North Pacific Ocean.