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 ... Crust, the upper layer of the Earth, is not always the same. Crust under the
oceans is only about 5 km thick while continental crust can be up to ...
Jul 15, 2016 ... The definition of the lithosphere is based on how Earth materials behave, so it
includes the crust and the uppermost mantle, which are both ...
... just beneath it. The asthenosphere is found between 50 to a few hundred miles
below the... ... The lithosphere is the very top layer of the Earth's crust, while the
asthenosphere is the semi-fluid layer just beneath it. ... dictionary.reference.com.
A zone of the earth's mantle that lies beneath the lithosphere and consists of
several hundred kilometers of deformable rock.
The asthenosphere lies beneath the lithosphere. It is a part of the mantle,
approximately 100 km thick, with very little strength. The asthenosphere flows
May 20, 2015 ... The depth of the lithosphere-asthenosphere boundary (LAB) is a hot topic ...
Scientists have identified many ways to define the lithosphere.
Outer Core of the Earth: Definition, Composition & Facts .... The physical
connection between the lithosphere and the asthenosphere generates a
Oct 5, 2013 ... Definition. Earth's thin outer layer composed ... lithosphere, asthenosphere,
mesosphere, outer core, inner core. Term. tectonic plates. Definition ...
We may think we know what we mean by the Earth's 'tectonic plates', but there is
more to a tectonic plate that just 'crust'. A clue to this may be found in the other ...