The asthenosphere is the highly viscous, mechanically weak and ductilely
deforming region of ... Jump up ^ Rychert, Catherine A.; Shearer, Peter M. (2011).
The fragile melting point pressure balance in the asthenosphere is reflected in
the estimate made by some geologists that up to 10% of the asthenospheric ...
Even though it can flow, the asthenosphere is still made of solid (not liquid) rock;
... The lithosphere is broken up into rigid plates that ride on top of the flowing ...
The middle layer is the mantle, made of dense, rocky matter. ... It is rock strength
that differentiates the lithosphere from the asthenosphere. ... The ocean basins
take up 71 percent of the earth's surface, and the average depth of the oceans is
May 21, 2008 ... The tectonic plates are made up of Earth's crust and the upper part of ... on top of
a somewhat fluid part of the mantle called the asthenosphere.
Is the asthenosphere made of toothpaste? Only if the toothpaste is ultramafic in
composition, and then it would only be able to flow if it were really, really hot.
Dec 23, 2011 ... This article enlists some of the basic facts about the asthenosphere, the ...
Lithosphere or crust (up to 50 km); Asthenosphere or upper mantle ...
The mantle is over 2900 km thick and makes up over 80% of the volume of the
Earth ... The upper and lower boundaries of the asthenosphere are diffuse as
Aug 19, 2014 ... Mantle - 3488 km thick, made up of a rock called peridotite. ... Asthenosphere -
about 250 km thick - solid rock, but soft and flows easily (ductile).
Aug 11, 2015 ... The rocks that make up Earth's mantle are mostly silicates—a wide ... Below the
Moho, the mantle is characterized by peridotite, a rock mostly made up of the ...
The temperature and pressure of the asthenosphere are so high ...