Are the terms lithosphere and asthenosphere equivalent respectively to crust and mantle explain?

The lithosphere is a rigid and brittle solid while the asthenosphere is a soft and ductile solid. (The terms crust and mantle are used to denote differences in chemical composition; while the terms lithosphere and asthenosphere are used to denote differences in physical state (for example, rigid, brittle solid vs..

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What is the relationship between the crust mantle lithosphere and asthenosphere?

The lithosphere is the brittle crust and uppermost mantle. The asthenosphere is a solid but it can flow, like toothpaste. The lithosphere rests on the asthenosphere.

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The Lithosphere is composed of the crust and upper most solid mantle. While the Asthenosphere, which lies beneath the lithosphere, is composed of the upper most weaker part of the mantle. As we move from the lithosphere to the asthenosphere the temperature increases.

How are the lithosphere and the asthenosphere similar?

The lithosphere is rigid and is made of the crust and the upper part of the mantle. The asthenosphere is plastic and is made of the softer part of the mantle. The lithosphere is plastic and is made of continental crust. The asthenosphere is rigid and is made of oceanic crust.

Do crust and lithosphere refer to the same layer of the Earth? The lithosphere includes both the crust and upper, solid mantle. Crust and lithosphere refer to the same layer of the Earth. … The continental crust allowed the evolution of life on land.

Is the crust same as the lithosphere?

The lithosphere includes the crust (whether continental or oceanic) and the uppermost part of the upper mantle.

What happens between the crust and asthenosphere?

Heat from deep within Earth is thought to keep the asthenosphere malleable, lubricating the undersides of Earth’s tectonic plates and allowing them to move. Convection currents generated within the asthenosphere push magma upward through volcanic vents and spreading centres to create new crust.

Is the lithosphere and asthenosphere part of the crust?

The mantle extends to the core-mantle interface at approximately 2900 km depth. Thus, the mantle contains the lower portion of the lithosphere, the asthenosphere, and the mesosphere. The crust is made of the upper portion of the lithosphere.

What is the relationship between the lithosphere and asthenosphere quizlet?

The relationship between the Lithosphere, Asthenosphere, and Mesosphere is the lithosphere contains the tectonic plates, the Asthenosphere the plates move on top of them, and the Mesosphere convection currents move in this layer help drive the plates in the Lithosphere.

What is difference between asthenosphere and lithosphere?

Summary. The lithosphere is the brittle crust and uppermost mantle. The asthenosphere is a solid but it can flow, like toothpaste.

How do the lithosphere and asthenosphere differ quizlet?

The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock.

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Is the asthenosphere the same as the upper mantle?

The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.

Is asthenosphere part of the mantle?

The asthenosphere is the denser, weaker layer beneath the lithospheric mantle. It lies between about 100 kilometers (62 miles) and 410 kilometers (255 miles) beneath Earth’s surface.

What is the relationship between the mantle and the lithosphere?

The mantle is the intermediate layer of the Earth and can be subdivided into the inner and outer mantle. Most of the mantle is a thick fluid that moves in currents, but the very outermost portion of the outer mantle is solid. This portion and the solid crust make up the lithosphere.

What is the difference between the mantle and crust?

The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma.

How are the lithosphere and the asthenosphere separated?

Mechanical boundary layer (MBL) The LAB separates the mechanically strong lithosphere from the weak asthenosphere. The depth to the LAB can be estimated from the amount of flexure the lithosphere has undergone due to an applied load at the surface (such as the flexure from a volcano).

Is lithosphere a mantle?

The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.

What separates crust from mantle?

The Moho is the boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic’ discontinuity after the Croatian seismologist Andrija Mohorovicic’ (1857-1936) who discovered it.

What is the crust and upper mantle called?

The lithosphere is the rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle. The lithosphere is the coolest and most rigid part of the Earth.

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What is the difference between the lithosphere and asthenosphere that makes up the mantle quizlet?

The lithosphere is the tectonic plate and consists of crust (continental and oceanic), Moho line, Upper Mantle Rigid. The asthenosphere is where the convection currents drive the plates apart and consist of Upper Mantle flowing.

How is lithosphere related to crust quizlet?

Explain the difference between the crust and the lithosphere. The crust is the thin, outermost layer of the Earth that is composed differently than the mantle. The lithosphere is a thick layer that contains both the crust and the upper mantle (which is rigid compared to the underlying asthenosphere).

Which statement below best compares the lithosphere to the asthenosphere according to the lecture?

Which statement below best compares the lithosphere to the asthenosphere according to the lecture? The lithosphere is a brittle solid and the asthenosphere is a ductile solid.

What is the relationship between the inner core outer core mantle crust asthenosphere and lithosphere?

The layers of the planet consist of a solid inner core at the very center, a liquid outer core, several layers of mantle and a thin outer crust. The lithosphere contains the crust and the uppermost layer of solid mantle. The asthenosphere contains the liquid layer of the upper mantle.

What are the lithosphere and the asthenosphere What role do they play in plate tectonics?

The asthenosphere, under the lithosphere, is so hot is enables the plates to move because the material under can flow. The interactions between the lithosphere and the asthenosphere help to explain plate tectonics. This is the cold and rigid outermost rock layer. A plate boundary exists where the tectonic plates meet.

What is the composition of the lithosphere and asthenosphere?

Lithosphere and asthenosphere are divisions based on mechanical properties. The lithosphere is composed of both the crust and the portion of the upper mantle that behaves as a brittle, rigid solid. The asthenosphere is partially molten upper mantle material that behaves plastically and can flow.

What defines the boundary between the lithosphere and asthenosphere?

The boundary between Earth’s rigid lithosphere and the underlying, ductile asthenosphere is marked by a distinct seismic discontinuity1. A decrease in seismic-wave velocity and increase in attenuation at this boundary is thought to be caused by partial melt2.

What is lithosphere in science definition?

lithosphere, rigid, rocky outer layer of the Earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 60 miles (100 km).

What separates the mantle and core?

distribution of elements on Earth …its underlying mantle, and the Wiechert”Gutenberg Discontinuity, which separates the mantle from the core.

What is the scientific definition of asthenosphere?

What is lithosphere answer?

Lithosphere is the outermost layer of Earth consisting of crust and upper mantle portion of the earth. Lithosphere is not a continuous layer it is divided into the movable tectonic plates. This is 100 km deep layer. The deepest and hottest part of the lithosphere is known as the asthenosphere.

How does the lithosphere of the deep ocean basins differ from the lithosphere of the continents?

How does the lithosphere of the deep ocean basins differ from the lithosphere of the continents? The lithosphere of the deep-ocean basin is thinner and denser than the lithosphere of the continents. …

How are the properties of the lithosphere and the asthenosphere different how is the difference important to plate tectonics?

How are the properties of the lithosphere and the asthenosphere different how is this difference important to plate tectonics? In the lithosphere, the rocks are cooler, stronger, and more rigid than the asthenosphere. It is rock strength that differentiates the lithosphere from the asthenosphere.

How does the lithosphere differ from the asthenosphere choose all that apply quizlet?

The lithosphere tends to break, while the asthenosphere tends to flow. The lithosphere overlies the asthenosphere.

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