The asthenosphere is the highly viscous, mechanically weak and ductilely
deforming region of ... The thickness of the asthenosphere depends mainly on
the temperature. In some regions the asthenosphe...
The asthenosphere has no exact size, but the United States Geological Survey
estimates it is approximately 111.85 miles (180 kilometers) thick. It is highly ...
The Earth's crust thickness is 30 km thick. The temperature ... The temperature of
the lithosphere and asthenosphere is 300 to 500 degrees celsius. The mantles ...
... of the Earth is but one half the thickness of one leaf of a thousand-page book.
... The lower level of the mantle is called the asthenosphere and it is softer and ...
asthenosphere, and mesosphere (we usually don't discuss this last layer)
represent ... usually 5-10 km thick and continental crust is 33 km thick on average
The mantle which surrounds the core and has a thickness of 2900 kilometers. ...
upper mantle, 100 to 200 kilometers below surface, is called the asthenosphere.
The crust: low density silicate rock, 5-70 km thick. ... The upper and lower
boundaries of the asthenosphere are diffuse as they involve gradual changes in
The oceanic crust on the other hand is only about 7 km thick and considerably ...
Since the asthenosphere is more liquid than the rest of the mantle, the broken ...
Sep 11, 2013 ... Earth's crust varies in thickness from less than 5 km (under mid-ocean ... Why,
then, is the asthenosphere soft and the lithosphere rigid?
Asthenosphere definition, the region below the lithosphere, variously ... several
hundred miles (eighty-five to several hundred kilometers) thick, in which the rock