The interior structure of the Earth is layered in spherical shells, like an onion.
These layers can be defined by their chemical and their rheological properties.
Earth's Internal Struccture - describing the crust, mantle and core - by Geology.
One of the most distinctive features of the earth's interior is how it seems to be
layered by density, with the heaviest stuff in the center, and the lightest material at
Jan 14, 2011 ... Cross sectional diagram showing the interior of the Earth ... its structure and
composition than about the structure and composition of the mantle ...
The illustration below is an attempt to model the large scale internal structure of
the Earth based on data from Lutgens & Tarbuck. The habitable part of the Earth
The structure of the Earth is quite simple: we have a core, a mantle and a crust. A
little bit like a boiled egg, I suppose. The yolk, our core, is actually metallic; ...
The internal structure of the Earth is made up of the asthenosphere, the upper
mantle, the lower mantle, the outer core and the inner core. These structures ...
An earthquake radiates P and S waves in all directions and the interaction of the
P and S waves with Earth's surface and shallow structure produces surface ...
These waves contain vital information about the internal structure of the Earth. As
seismic waves pass through the Earth, they are refracted, or bent, like rays of ...
Just as a child may shake an unopened present in an attempt to discover the
contents of a gift, so man must listen to the ring and vibration of our Earth in an ...