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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]
A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (), and thus is not an island, islet, or cliff-rock.Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height.
Resolution Guyot (formerly known as Huevo) is a guyot (tablemount) in the underwater Mid-Pacific Mountains in the Pacific Ocean. It is a circular flat mountain, rising 500 metres (1,600 ft) above the seafloor to a depth of about 1,320 metres (4,330 ft), with a 35-kilometre-wide (22-mile) summit platform.
Topographic map of Zealandia that includes the Britannia Guyots at the sea bottom of the Tasman Sea in the line of the Tasmantid hotspot seamounts off the east coast of Australia. They are basaltic volcanoes that erupted between 17,600,000 and 20,800,000 years ago, [ 2 ] with survey data that indicates they rise about 4,000 m (13,000 ft) above ...
Cobb Seamount is a seamount (underwater volcano) and guyot located 500 km (310 mi) west of Grays Harbor, Washington, United States. [2] Cobb Seamount is one of the seamounts in the Cobb–Eickelberg Seamount chain, a chain of underwater volcanoes created by the Cobb hotspot that terminates near the coast of Alaska.
The Magellan Seamounts extend from to . They include: Govorov Guyot [7. 7]; 121 ± 2.8 to 98.5 ± 1.4 Ma [7]; Ioah Seamount (also known as Ioah Guyot, Ioan Seamount or Fedorov Seamount) . 8]; 87 million years old [8]; Pako Guyot. 9]; 92 million years old [9] but volcanics have been now dated in range 112 to 86 Ma and < 20 Ma in smaller volcanoes on the guyot. [10]; Vlinder Guyot (also known as ...
Seamounts are underwater mountains usually formed from the remnants of extinct volcanoes. The giant structure measures 5,249ft (1,600m), making it twice the height of the Burj Khalifa in the ...
Patton Seamount is a prominent seamount (underwater volcano) in the Cobb–Eickelberg Seamount chain in the Gulf of Alaska.Located 166 nmi (307 km; 191 mi) east of Kodiak Island and reaching to within 160 m (520 ft) of the ocean surface, Patton is one of the largest seamounts in the Cobb–Eickelberg Seamount chain.