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The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth. It lies below the lithosphere, ...

Asthenosphere | Define Asthenosphere at Dictionary.com


Asthenosphere definition, the region below the lithosphere, variously estimated as being from fifty to several hundred miles (eighty-five to several hundred ...

Lithosphere and Asthenosphere ( Read ) | Earth Science | CK-12 ...


Aug 15, 2016 ... The definition of the lithosphere is based on how Earth materials behave, so it includes the crust and the uppermost mantle, which are both ...

Asthenosphere - definition of asthenosphere by The Free Dictionary


A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.

Asthenosphere - Kids Fun Science


The asthenosphere is the layer of the Earth that lies below the lithosphere. It is a layer of solid rock that has so much pressure and heat the rocks are can flow ...

lithosphere - National Geographic Society


May 20, 2015 ... The depth of the lithosphere-asthenosphere boundary (LAB) is a hot topic ... Scientists have identified many ways to define the lithosphere.

'lithosphere' and 'asthenosphere' - The Geological Society


We may think we know what we mean by the Earth's 'tectonic plates', but there is more to a tectonic plate that just 'crust'. A clue to this may be found in the other ...

Geology Word of the Week: L is for Lithosphere - Georneys - AGU ...


Jan 19, 2011 ... def. Lithosphere: 1. The cool, outer layer of the Earth that deforms in a brittle ... The lithosphere and the asthenosphere are layers of the Earth ...

Lithosphere - definition of lithosphere by The Free Dictionary


Define lithosphere. lithosphere synonyms, lithosphere pronunciation, lithosphere ... the earth's crust and the solid part of the mantle above the asthenosphere.

asthenosphere | geology | Britannica.com


Apr 1, 2015 ... Zone of Earth's mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere ...

Lithosphere and Asthenosphere | Define Lithosphere and Asthenosphere at Dictionary.com
dictionary.reference.com/browse/Lithosphere and Asthenosphere
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Earth's Crust, Lithosphere and Asthenosphere - Windows to the ...


May 21, 2008 ... Crust, the upper layer of the Earth, is not always the same. Crust under the oceans is only about 5 km thick while continental crust can be up to ...

How is the asthenosphere different from the lithosphere?


The difference between asthenosphere and lithosphere is how the materials in these layers can flow. Rocks in the lithosphere are "rigid", meaning that they can  ...

What is the difference between lithosphere and asthenosphere ...


... just beneath it. The asthenosphere is found between 50 to a few hundred miles below the... ... The lithosphere is the very top layer of the Earth's crust, while the asthenosphere is the semi-fluid layer just beneath it. ... dictionary.reference.com.