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The part of the earth's crust that is at the very top of the mantle is the oceanic crust. Or combined with the upper mantle it is also known as the lithosphere.

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What two parts make up the lithosphere?

The lithosphere consists of the crust and the upper part of the mantle. The crust is the outermost layer of the Earth, while the upper mantle is the solid rock layer beneath the crust. Together, they form the rigid outer shell of the Earth.


What are the compositional zones of earth?

There are 4 layers in the earth these are crust, mantle, inner core and outer core. The crust is made of the ocean crust and the continents. The mantle is made of plastic it is very hot liquid. The outer core is very hot liquid. And the inner core is hot solid made mainly of iron. :) :P <3 .....


What is the lower part of the mantle in the earth's crust?

The lower part of the mantle in Earth's crust is called the lower mantle. It lies beneath the upper mantle and extends from about 670 to 2,900 kilometers below the Earth's surface. It is composed of solid rock that can flow slowly over very long periods of time.


What is the earths crust and the very top of the mantle combined?

The Earth's crust and the uppermost part of the mantle together form the lithosphere. The lithosphere is a rigid outer layer of the Earth that is divided into tectonic plates which float on the semi-fluid asthenosphere beneath them.


What is the lithosphere short definition?

The lithosphere is the outermost layer of Earth and includes the crust and part of the upper mantle. It is rigid and divided into tectonic plates that interact and move over the semi-fluid asthenosphere below.


Is the lower part of the mantle called the lithosphere or asthenosphere?

The lower part of the mantle is actually names the mesosphere. It is overlain by the asthenosphere which is part of the upper mantle and this in turn is overlain by the lithosphere which is made up of the very uppermost mantle and the crust.


Is lithosphere and the geosphere the same?

No. The lithosphere is the outermost crust, the geosphere is the inside of earth. (I think, but I know that the last person to answer said "yes" so this is a better answer.) no: you're both wrong. the lithosphere is part of the mantle, which are plate tectonics. the geosphere and lithosphere are the same thing. they are both part of earth and have to do with its interior


What is the earths very top of the mantle combined?

The very top of Earth's mantle is known as the lithosphere. It is a rigid layer that consists of both the uppermost part of the mantle and the crust above it. The lithosphere is broken into tectonic plates that float on the semi-fluid asthenosphere beneath it.


plate tectonics?

the theory that earth's crust and solid upper part of the mantle are made up of about 20 huge plates that are always moving very slowly


Is th crust the widest layer of the Earth?

No, the crust is the very thinnest layer of the Earth. The mantle is the largest layer of the Earth if you take the core to be separated into the inner and outer zones.


What is the lithosphere definition?

the lithosphere is the Earth's crust and the very top of the mantle together


What keeps the Eath's mantle solid?

Look it up somewhere else. answers.com currently does not have an answer for you ***************** We live on the Earth's crust. The crust floats on the mantle, which is semi-molten rock. The crust can be likened to the pastry crust on top of a very hot meat pie.