Where Is The Asthenosphere Found??

Under the lithosphere is the asthenosphere, a zone of the Earth's mantle believed to be much hotter and more fluid than the lithosphere.Asthenosphere extends from about 100 km (60 miles) to about 450 km (450 miles) below Earth's surface.

Where is asthenosphere located?


beneath the lithospheric mantle

Where is asthenosphere found in which form does it exist?

The asthenosphere is located around 100-410 km deep.Partially molten, it exists at depths of 100-410 km.

Which layer of Earth is the asthenosphere located?


Below the lithosphere

Where is the asthenosphere located quizlet?

There is an asthenosphere below the lithosphere.Asthenospheric plates move above tectonic plates.

How is the asthenosphere formed?

As the Earth's temperature gradient increases with depth, peridotite will behave similarly too.As the peridotite reaches 1300oC, it gives rise to the asthenosphere, where the rock is weaker than both the overlying and the underlying mantle.

Where is the lower mantle located?


from 660 to 2900 km below Earth’s surface; between the transition zone and the outer core

What is in the asthenosphere?

Asthenosphere is the solid upper mantle material that is so hot that it behaves plastically and can flow.It rides on the asthenosphere.

What is the importance of the asthenosphere?

Asthenosphere plays a vital role in the plate tectonic motion and continental drift.It lubricates the process of plate tectonics.Asthenospheric fluids have high viscosities and travel over the crust.

Where is atmosphere found in which form does it exist?

Troposphere makes up approximately 75 to 80 percent of the entire atmosphere.In the troposphere you can find most of Earth's clouds due to the presence of water vapor and dust particles.

Is the asthenosphere entirely liquid?

The asthenosphere is entirely liquid, isn't it?.There are two main types of lithosphere: the lithosphere, which is located above the part of the mantle that can flow, and the asthenosphere, which is located below.

Where is the top of the asthenosphere closest to the Earth’s surface?

Which correctly describes the asthenosphere?

In ancient Greek, asthenosphere (Meloi, "without strength," and ******, "sphere") refers to the upper mantle's highly viscous, mechanically weak, and ductile material.It lies between approximately 80 and 200 km beneath the surface, between 50 and 120 miles.

What is the asthenosphere quizlet?

Asthenospheric environment.Mantle above the lithosphere is thought to exhibit relatively low resistance to plastic flow and convection.That is, plates are thought to move.

What type of material is found in the asthenosphere quizlet?

(aka asthenosphere) The region below the lithosphere.In magma, a ‘plastic layer' occurs when a magma has a malleable (soft, flowing) consistency.In this zone, plates move by convection currents.This is the crust and uppermost part of the mantle.

What is the connection between the lithosphere and asthenosphere?

We call the lithosphere the tectonic plate in plate tectonics.It is the weak and easily deformed layer of the Earth below the tectonic plates that acts as a "lubricant" for them to slide over.Asthenosphere extends from 100 kilometers to 660 kilometers under the Earth.

Who discovered asthenosphere?

In 1914, a British geologist named Joseph Barrell discovered and named the asthenosphere.He classified the Earth into three parts: the lithosphere (solid rock on the outside), the asthenosphere (molten rock inside) and the centrosphere.


Is asthenosphere solid or liquid?

The asthenosphere is made of a viscous, ductile, semisolid material on which the lithosphere is moving.It is 440km thick and acts like a solid that can behave like a liquid.

Why is asthenosphere important to plate tectonics?

Heat from deep inside of Earth is thought to lubricate and move tectonic plates by keeping the asthenosphere malleable.The asthenosphere's convection currents push magma upward from volcanic vents to spread centers and create new crust.

Is the asthenosphere in the lower mantle?


more rigid and less plastic

Is the lower part of the mantle?

The lower mantle is below the crust, while the lower mantle is beneath the core.A subsurface layer lying between the upper mantle and the outer core of the earth is called the lower mantle.The lower mantle is the liquid amount of the mantle that lies between 400 and 1,800 miles below the surface.

What is the lower part of the earth?


the Dead Sea

What is an example of an asthenosphere?

A good example of the asthenosphere would be..As the South American plate moves westward, for example, the top layer under it is moving inexorably westward.

Do earthquakes occur in the asthenosphere?

Asthenosphere earthquakes, ones that occur beneath the asthenosphere, may result from crustal plates sinking into the mantle along convergent crustal boundaries.

What is an interesting fact about the asthenosphere?

Low density and partially molten rock can be found in the asthenosphere.The asthenosphere sits closer to the earth's surface underneath the oceans.Deep zone earthquakes can occur in the asthenosphere when crustal plates sink into the earth's mantle.

What cloud indicates the top of the troposphere?

Cumulonimbus clouds are generally characterized by their icy, anvil-shaped tops. They occur throughout the troposphere, giving them the nickname "The King of Clouds."

How many atmospheres are there?


five major

Where does the Earth’s atmosphere end?

Earth's atmosphere starts and ends in space at an exact point.It is commonly accepted that the end of earth's atmosphere is at 62 miles (100 kilometers) above the surface.earth’s atmosphere falls within the thermosphere at 62 miles (100 kilometers) above the earth’s surface. earth's atmosphere lies just below the thermosphere at 62 miles (100 kilometers) above the surface. This is known as the Kármán Line.

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