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 ...
If the two overlying plates have actually separated, asthenospheric material may
flow through the separation and form a new section of lithosphere.
The temperature of the materials that make up the asthenosphere tend to be just
below ... may flow through the separation and form a new section of lithosphere.
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 subsurface landscape of the earth's plates, in contrast to the undersurface of
icebergs, does not resemble the forms appearing above surface. At its surface ...
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?
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
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
bend but they cannot flow. Rocks in the ... Click Here to return to the search form.
Sep 11, 2013 ... Lithosphere; Asthenosphere; Upper mesosphere; Lower ... molten rock, it does
not take much to cause magma to form and separate from the ...