WebOct 7, 2011 · The asthenosphere is a ductile solid.The asthenosphere is a layer of the mantle that consists of slowing flowing solid rock, so I would say it is considered both a liquid and a solid in one. WebThe plates, or lithosphere, overlie an asthenosphere that responds like a viscous fluid to the plate motions. Magma from the asthenosphere rises up in the form of volcanos. They ride …
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Webnoun at· mo· sphere ˈat-mə-ˌsfir Synonyms of atmosphere 1 a : the gaseous envelope of a celestial body (such as a planet) b : the whole mass of air surrounding the earth 2 : the air … The asthenosphere (from Ancient Greek ἀσθενός (asthenós) 'without strength') is the mechanically weak and ductile region of the upper mantle of Earth. It lies below the lithosphere, at a depth between ~80 and 200 km (50 and 120 mi) below the surface, and extends as deep as 700 km (430 mi). However, the lower boundary of the asthenosphere is not well defined. slow lights
5 Asthenosphere Facts: What is the Asthenosphere?
WebJun 11, 2024 · The asthenosphere is the ductile layer situated beneath Earth ’ s rigid lithosphere. It was first named in 1914 by the British geologist Joseph Barrell, who divided Earth ’ s overall structure into three major sections: the lithosphere, or outer layer of rock-like material; the asthenosphere; and the centrosphere, or central part of the planet. WebNov 3, 2024 · The asthenosphere is a semisolid layer under the lithosphere. It is about 180 km thick. The lower mantle is 2,250 km thick and is solid, but very hot, rock. The outer core is molten rock and it is 2,266 km thick. Finally, the inner core is … WebThe definition of the lithosphere is based on how Earth materials behave, so it includes the crust and the uppermost mantle, which are both brittle. Since it is rigid and brittle, when stresses act on the lithosphere, it breaks. This is what we experience as an earthquake. Although we sometimes refer to Earth’s plates as being plates of crust ... slow lightning gif