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?
May 20, 2015 ... The depth of the lithosphere-asthenosphere boundary (LAB) is a hot topic among
.... all forms in which water falls to Earth from the atmosphere.
The asthenosphere is made up of mafic and ultramafic rocks. It has the same
material as the upper lithosphere, but the material in the asthenosphere is in a
plastic, viscous state and moves around... ... Why does the atmosphere become
less dense as altitude increases? ... What gases make up the mesosphere? Q: ...
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.
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
Jul 21, 2007 ... How do tectonic plates form and move? The lithosphere (which includes the crust
) is the outermost layer of the Earth and is ... The asthenosphere underneath is
hot and flexible, transferring some of its heat through convection.
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
2) Beneath the lithospheric plates lies a layer semi-molten rock called the.
ASTHENOSPHERE. ... CURRENTS may form within the semi-fluid