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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, 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. ... Above the asthenosphere, at the same rate of deformation, rock behaves ...


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 .... "attached" to the continental plate above, similar to the extent of the "tectosphere" proposed by Jordan in 1988.


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


May 21, 2008 ... Crust, the upper layer of the Earth, is not always the same. ... The flowing asthenosphere carries the lithosphere of the Earth, including the ... is lighter and more bouyant than other crustal material, somewhat like the...more ...


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  ...


While the Asthenosphere, which lies beneath the lithosphere, is composed of the ... was further developed by other scientists such as J. Barrell, and R. A. Daly[i].


What is the difference between the lithosphere and the asthenosphere? ... The asthenosphere isbelow the lithosphere, so in other words you were correct.


The lithosphere is separated into the continental or oceanic crusts and the uppermost layer of ... The state of the rocky material in the asthenosphere is similar.


Feb 1, 2013 ... Lithosphere vs Asthenosphere We hardly pay any attention to the ... and assume it to be a spherical ball that has the same surface properties from ... the differences between these two different layers that make up the part of ...


Apr 25, 2017 ... The lithosphere and asthenosphere form the upper two layers of the earth. ... This rock is similar in composition to the asthenosphere, but it is ...