WitrynaThe chemically distinct layer directly below the crust of the Earth is called a. lithosphere b. mantle c. asthenosphere d. none of the above b. mantle The Moho (Mohorovicic … WitrynaThe upper mantle is called asthenosphere, “astheno” is a Greek word meaning 'weak'. It is called weak layer because it is in liquid state where rock material. ... A mantle is a …

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The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments. It is composed of peridotite, a rock containing mostly the minerals olivine and pyroxene. The lithosphere-asthenosphere boundary is conventionally taken … Zobacz więcej 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 … Zobacz więcej The asthenosphere extends from an upper boundary at approximately 80 to 200 km (50 to 120 miles) below the surface to a lower … Zobacz więcej Decompression melting of asthenospheric rock creeping towards the surface is the most important source of magma on Earth. Most of this … Zobacz więcej • San Diego State University, "The Earth's internal heat energy and interior structure" Archived 3 March 2011 at the Wayback Machine Zobacz więcej The mechanical properties of the asthenosphere are widely attributed to the partial melting of the rock. It is likely that a small amount … Zobacz więcej • Seismology § History Zobacz więcej • Hirschmann, Marc M. (March 2010). "Partial melt in the oceanic low velocity zone". Physics of the Earth and Planetary Interiors. 179 (1–2): 60–71. Bibcode: • Karato, Shun … Zobacz więcej WitrynaAnswer: The lithosphere the Earth's solid outer crust is divided into plates that move across the asthenosphere the molten upper layer of the mantle according to plate tectonics theory. Oceanic and continental plates collide, spread apart, and interact at all of the planet's boundaries. horseshoe bay tx time

Asthenospheric low-velocity zone consistent with globally …

WitrynaAsthenosphere definition, the region below the lithosphere, variously estimated as being from fifty to several hundred miles (eighty-five to several hundred kilometers) thick, in … Witryna3. A soft,weak and plastic like layer upper part of the mantle; 4. a soft,weak and plastic like layer the upper part of the mantle were lithospheric plates float and move 5. the movement of the lithospheric plates is facilated by a soft weak and plastic like layers.which pf the following layers is described in the statement; 6. Witryna3 kwi 2024 · The asthenosphere is approximately 200 km [124 miles] thick and, owing to its depth below the Earth’s surface, warm (~ 1,400 degC [2,640 degF]) but not molten. … horseshoe bay tx to marble falls tx