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Facts on the Lithosphere & Asthenosphere
If you could slice Earth in half like an orange, you would find the interior of the planet is not uniform in its composition or consistency. If you divide it into layers on the basis of mechanical properties and consistency, the two outermost layers are... More »
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A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is ... The Lithosphere-Asthenosphere boundary is defined by a difference in response to stress: the lithosphere remains rigid for very long periods of ...


The Lithosphere-Asthenosphere boundary (LAB) represents a mechanical difference between ... with this sharp contrast in wave velocity and presence of partial melt is known as the Gutenberg discontinuity or "G" to many geophysicists.


The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth. It lies below the lithosphere, at depths between approximately 80 and 200 km (50 and 120 miles) below the surface. The Lithosphere-Asthenosphere boundary is usually referred to as LAB. ... The rigid lithosphere is thought to "float" or move about on the slowly flowing ...


Crust and Mantle vs. Lithosphere and Asthenosphere. Why do we use two names to describe the same layer of the Earth? Well, this confusion results from the ...


Jan 21, 2013 ... The difference between asthenosphere and lithosphere is how the ... with different mechanical properties (lithosphere vs. asthenosphere), we ...


May 1, 2017 ... While the Asthenosphere, which lies beneath the lithosphere, ... than the continental crust due to less silica, and more iron and magnesium[v].


Compare and contrast the lithosphere and the asthenosphere. ... the asthenosphere is a higher temperature as compared to the lithosphere and hence its rocks ...


Feb 1, 2013 ... Lithosphere vs Asthenosphere. We hardly pay any attention to the surface of the earth we live upon and perform all our actions. We take the ...


The lithosphere is the upper most layer of Earth. It is comprised of all of the Earth's crust and the very upper portion of the mantle. That last upper bit of the mantle ...