The asthenosphere is the highly viscous, mechanically weak and ductilely
deforming region of the upper mantle of the Earth. It lies below the lithosphere, ...
May 21, 2008 ... The flowing asthenosphere carries the lithosphere of the Earth, including the ...
Two types of features can form when plates move apart. At mid ...
The asthenosphere is the layer of the Earth that lies below the lithosphere. ... Do
you know where the youngest crust on our planet is located and how it forms?
If the two overlying plates have actually separated, asthenospheric material may
flow through the separation and form a new section of lithosphere.
Everything you need to know about the lithosphere, including its composition,
structure and thickness. ... The rock of the asthenosphere is viscous rather than
rigid and deforms slowly under stress, ... The oceanic lithosphere is very thin at
the spreading centers where it forms, but it grows thicker with time. ... Did you
Thus old oceanic lithosphere will sink into the asthenosphere if it gets the chance
. ... An oceanic trench forms offshore, and a chain of volcanic mountains forms ...
The asthenosphere forms the base of the tectonic plates, which contain ... Above
the asthenosphere lies the lithosphere, which occurs in continental and oceanic
forms. ... What form of geological activity does the Great Rift Valley represent? Q:
The asthenosphere is found between 50 to a few hundred miles below the... ...
The crust and the upper mantle are separated by what is called the ... of the
asthenosphere begins at a little over 1,600 degrees Fahrenheit but does not rise
This zone, where rock is soft enough to flow, is called the asthenosphere. ...
These masses of very hot rock form rising columns with rounded tops, called
plumes. ... So how does heat get through this rigid layer lithosphere, to the
Chemically the lower lithosphere, asthenosphere and mantle are pretty much
identical. ... Near the top of the stratosphere, solar ultraviolet causes oxygen to
form ozone (O3). .... Drilling deep into the earth does not trigger volcanic