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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.
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]
The seamount was volcanically active during the Cretaceous-Paleogene [9] 91.3 million years ago [10] and may have formed on a hotspot together with Ioah Guyot and Vlinder Guyot; [11] a late phase of volcanism may have taken place in the Paleocene-Eocene. [12] The hotspots that formed Pako Guyot were located in what is today French Polynesia. [6]
Ioah Guyot is a seamount in the Pacific Ocean, close to the Marshall Islands. [2] Part of the Magellan Seamounts , it is a shield volcano that has erupted alkali basalt and hawaiite 87 million years ago, but may have continued erupting into the Miocene .
Cape Johnson Guyot is also known as Cape Johnson Seamount or Cape Johnson Tablemount. [2] The guyot was named by Harry Hammond Hess, after his ship the USS Cape Johnson; Hess had also named the kind of flat-topped seamount "guyot" and another seamount was named after Hess himself. [3] The seamount was first described in a 1946 publication. [4]
Bathymetry of Ita Mai Tai Guyot. The smaller guyot in the lower left corner is Gelendzhik Guyot. The smaller guyot in the lower left corner is Gelendzhik Guyot. 12°54′N 156°54′E / 12.9°N 156.9°E / 12.9; 156.9 [ 1 ] Ita Mai Tai is a Cretaceous -early Cenozoic seamount northwest of the Marshall Islands and north of Micronesia
The seamount is very close to the V-shaped bend in the Hawaiian-Emperor seamount chain, and thus would be useful in understanding the exact age of the bend.Although few dredge samples are available, they have all been reliably dated at 47 million years (Sharp and Clague, Science, 313, 1281–84, 2006), during the Eocene epoch of the Paleogene period.
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]
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