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The upper mantle is a part of the Earth's mantle that is located just below the lithosphere. It plays a key role in the movement of tectonic plates that make up the lithosphere. Convection currents in the upper mantle drive the movement of tectonic plates, leading to processes such as plate tectonics, earthquakes, and volcanic activity.

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1y ago

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Is the upper mantle part of the lithosphere or asthenosphere?

The The crust and the uppermost layer of the mantle form the lithosphere. The asthenosphere, which is still in the upper mantle, is the next layer down.


What is the crust and the upper mantle are called?

The crust and uppermost hard rocky mantle, together, is known as the lithosphere, which is above the plastic-like upper mantle area known as the asthenosphere.


What is the oceanic lithosphere?

The lithosphere is composed of crust and hard upper mantle. The oceanic lithosphere would be hard upper mantle and basaltic oceanic crust.


What is oceanic lithosphere?

The lithosphere is composed of crust and hard upper mantle. The oceanic lithosphere would be hard upper mantle and basaltic oceanic crust.


What are the layers of the mantle?

The mantle is divided into two main layers: the upper mantle and the lower mantle. The upper mantle is further divided into the lithosphere and the asthenosphere. The lithosphere is rigid and made up of the crust and the upper part of the mantle, while the asthenosphere is semi-molten and capable of flowing.


What are the 3 sections in the mantle?

The mantle is divided into the upper mantle, transition zone, and lower mantle. The upper mantle is beneath the lithosphere, the transition zone lies between the upper and lower mantle, and the lower mantle extends to the outer core.


Earth's crust and its upper mantle is called?

The lithosphere is the crust Moho and upper mantle. It floats on a plasticity zone called the asthenosphere.


What is another name for the earths crust and upper mantle?

It is called the lithosphere.


What layer contains the lithosphere asthenosphere and mesosphere?

The lithosphere, asthenosphere, and mesosphere are all located within the Earth's upper mantle, which is part of the mantle layer. The lithosphere is the rigid outermost layer of the Earth, including the crust and uppermost mantle. The asthenosphere is a partially molten layer below the lithosphere, while the mesosphere is a solid layer beneath the asthenosphere.


What is the name of the crust and upper mantle?

Lithosphere


What is the upper layer of the mantle made of?

Lithosphere


What is the crust and the upper part of the mantle?

the lithosphere