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Undersea mountain ranges are mountain ranges that are mostly or entirely underwater, and specifically under the surface of an ocean. If originated from current tectonic forces, they are often referred to as a mid-ocean ridge. In contrast, if formed by past above-water volcanism, they are known as a seamount chain.
Most mid-ocean ridges of the world are connected and form the Ocean Ridge, a global mid-oceanic ridge system that is part of every ocean, making it the longest mountain range in the world. The continuous mountain range is 65,000 km (40,400 mi) long (several times longer than the Andes, the longest continental mountain range), and the total ...
The Malta Escarpment is a prominent undersea geological feature of the Mediterranean Sea that runs southwards from the eastern coasts from Sicily and the Malta towards the Medina Seamounts near the African coast and divides the Mediterranean Sea naturally into western and eastern regions. [1] [2] [3] It is also known as the Sicily-Malta ...
Mountain pass – Route through a mountain range or over a ridge; Mountain range – Geographic area containing several geologically related mountains; Nunatak – Landform within an ice field or glacier; Proglacial lake – Lake formed by the action of ice; Pyramidal peak, also known as Glacial horn – Angular, sharply pointed mountainous peak
A mid-ocean ridge is a general term for an underwater mountain system that consists of various mountain ranges (chains), typically having a valley known as a rift running along its spine, formed by plate tectonics. This type of oceanic ridge is characteristic of what is known as an oceanic spreading center, which is responsible for seafloor ...
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 ...
The team discovered the mountain along the Nazca Ridge, which is located about 900 miles west of the Chilean coast—a region that itself contains a chain of underwater mountains. But this ...
Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...