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Arnold Henry Guyot (/ ˈ ɡ iː oʊ / GEE-oh) (September 28, 1807 – February 8, 1884) was a Swiss-American geologist and geographer. The guyot was named after him.
A guyot is an underwater mountain or seamount with a flat top. This geologic feature is also called a tablemount. In general, the guyot or tablemount is over 200 meters (660 feet) below the surface of the sea. The diameters of these flat underwater summits may be more than 10 km (6.2 mi).
16 cze 2024 · A guyot, or seamount, is an undersea mountain. A sonar image of a guyot, or seamount, in the Arctic. Using a multibeam echo sounder, NOAA scientists can map and produce a visualization from the data collected of the bottom of the ocean.
The Hawaiian–Emperor seamount chain is an excellent example of an entire volcanic chain undergoing this process, from active volcanism, to coral reef growth, to atoll formation, to subsidence of the islands and becoming guyots.
A guyot is a flat topped seamount. Guyots show evidence of having been above the surface with gradual subsidence through stages from fringed reefed mountain, coral atoll, and finally a flat topped submerged mountain.
21 gru 2023 · Guyots are isolated underwater volcanic mountains. They are distinctive from other submarine mountains and underwater volcanoes (seamounts) because of their flat tops (some are measured up to six miles in diameter) as well as evidence that they were once above sea level.
