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Explain why continental crust can displace more of the mantle than oceanic crust can?
Continental crust is generally thicker and less dense than oceanic crust, allowing it to displace more of the mantle beneath it. The buoyancy of continental crust enables it to float higher on the mantle compared to the denser oceanic crust, which sinks deeper into the mantle. Additionally, the composition of continental crust, which includes lighter materials like granite, contributes to its ability to displace a larger volume of mantle. This difference in density and thickness results in continental crust having a greater gravitational pull on the mantle compared to oceanic crust.
Does seafloor displaces more of the mantle that the same thickness of the continental crust?
Yes, the denser oceanic crust of the seafloor will displace more mantle material compared to the same thickness of continental crust due to its higher density. This is because the thicker, less dense continental crust floats higher on the mantle compared to the thinner, denser oceanic crust.
Why does oceanic lithosphere sub duct while continental lithosphere does not?
Oceanic lithosphere is dense enough to be forced down into the mantle. Continental lithosphere is not.
Where do volcanoes create crust?
Definition: Outermost layer of Earth- Plates fit together like a jigsaw puzzle! State: Solid- Lighter crustal plates float on denser mantle Thickness: - Contains: 2types: Oceanic Crust and Continental Crust Oceanic is heavier but thinner than Continental Crust
What happens to mantle rock descending oceanic crust scrapes past continental crust?
As the oceanic crust descends beneath the continental crust, the mantle rock is subjected to high pressure and temperature. This causes the mantle rock to partially melt, producing magma that can rise to the surface and form volcanoes. The interaction of the descending oceanic crust with the continental crust can also lead to earthquake activity.
Why would a certain thickness of continental crust displace less of the mantle than the same thickness of oceanic crust?
Continental crust is less dense than oceanic crust, so it floats higher on the mantle. This means that the same thickness of continental crust will displace less mantle compared to oceanic crust. Additionally, continental crust is composed of lighter rocks like granites, while oceanic crust is made of denser rocks like basalt.
Explain why continental crust can displace more of the mantle than oceanic crust can?
Continental crust is generally thicker and less dense than oceanic crust, allowing it to displace more of the mantle beneath it. The buoyancy of continental crust enables it to float higher on the mantle compared to the denser oceanic crust, which sinks deeper into the mantle. Additionally, the composition of continental crust, which includes lighter materials like granite, contributes to its ability to displace a larger volume of mantle. This difference in density and thickness results in continental crust having a greater gravitational pull on the mantle compared to oceanic crust.
Does seafloor displaces more of the mantle that the same thickness of the continental crust?
Yes, the denser oceanic crust of the seafloor will displace more mantle material compared to the same thickness of continental crust due to its higher density. This is because the thicker, less dense continental crust floats higher on the mantle compared to the thinner, denser oceanic crust.
What is is the thickness of the upper mantle?
In oceanic areas the upper mantle is usually 5-200km thick and on continental areas it is 75-300km deep.
Is the oceanic crust a thick layer?
Continental plates are thicker and of lower density than oceanic plates. They float like giant rock icebergs deeply embedded in the upper part of the mantle, while oceanic plates form more of a surface skin on the top of the mantle.
Why can continental crust displace more of the mantle than oceanic crust can?
the mantle is a hot ocean of lava basically and on it floats a series of tectonic plates, on the surface of the plates is the crust. there is your answer hope it helps.
Does the continental or the oceanic crust extend farther into the mantle?
The continental crust because it is thicker than the oceanic crust
Why does oceanic lithosphere sub duct while continental lithosphere does not?
Oceanic lithosphere is dense enough to be forced down into the mantle. Continental lithosphere is not.
Why does the oceanic crust sit lower in the mantle than the continental crust?
Oceanic crust is denser than continental crust due to its composition and age, causing it to sink lower into the mantle. The oceanic crust is also thinner and has been subjected to more intense heat and pressure, which contributes to its lower position in the mantle compared to the thicker, lighter continental crust.
Thinnest layer of the earth?
crust
Where do volcanoes create crust?
Definition: Outermost layer of Earth- Plates fit together like a jigsaw puzzle! State: Solid- Lighter crustal plates float on denser mantle Thickness: - Contains: 2types: Oceanic Crust and Continental Crust Oceanic is heavier but thinner than Continental Crust
What happens to mantle rock descending oceanic crust scrapes past continental crust?
As the oceanic crust descends beneath the continental crust, the mantle rock is subjected to high pressure and temperature. This causes the mantle rock to partially melt, producing magma that can rise to the surface and form volcanoes. The interaction of the descending oceanic crust with the continental crust can also lead to earthquake activity.
