Web13 feb. 2024 · The lithosphere is composed of both the crust and the portion of the upper mantle that behaves as a brittle, rigid solid. The asthenosphere is partially molten upper mantle material that behaves plastically and can flow. Compositional and Mechanical Layers of the Earth WebBoth crust and upper mantle constitute the Lithosphere. Asthenosphere The asthenosphere is that part of the layer of earth which is below the Lithosphere. It extends at a depth of 100 km to 400 km from the lithosphere. Due to the high temperature, this region is partially molten. Here the velocity of seismic wave slowdowns abruptly.
lithosphere National Geographic Society
WebLithosphere. the outer part of the Earth, consisting of the crust and upper mantle, approximately 100 km (62 miles) thick. geologic time scale. the division of Earth history … Webasthenosphere, zone of Earth’s mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface. Heat from deep within Earth is thought to keep the asthenosphere malleable, lubricating the undersides of … iron filing cabinet 1916
Structure and Dynamics of Lithosphere and Asthenosphere in …
Web17 apr. 2024 · The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below. Which layer is made up of solid iron and nickel? core Web28 sep. 2024 · The structure of the Earth consists of several layers formed over millions of years, distinguished by chemical or geological properties: crust, mantle, outer core, and inner core. In the center, there is an inner core with a radius of about 1,250 km, mainly made up of iron and nickel. Next comes the outer core - mostly iron - with a thickness ... WebThe crust and mantle are the densest layers. The core radiates heat, which has a role in the convection of the mantle. The lithosphere has convection due to heating and cooling, while the core radiates heat. Question 8. 120 seconds. Q. A numbered diagram of the Earth's layers is shown below. iron filings and hcl