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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.
If continental crust were thinner than its average thickness of 40km would it depress the mantle more or less than it does now?
If continental crust were thinner than its average thickness of 40km, it would depress the mantle less than it does now. This is because less mass in the thinner crust would exert less pressure on the mantle, resulting in less depression.
Is earth's continental crust thicker or thinner than the oceanic crust?
On average, it is much thicker than oceanic crust.
How many times thicker is the mantle than the crust of the Earth at the thickest point?
The mantle of the Earth is around 20-30 times thicker than the crust at its thickest point. The Earth's crust ranges from 5-70 km thick, while the mantle extends to a depth of about 2,900 km.
Why is mantle hotter and denser than the crust?
The mantle is closer to the molten core of earth, so it is constantly heated by it. The crust is exposed to the atmosphere, which has some cooling effect, and the crust is, of course farthest from the core.
Is the mantle thicker or thinner than the crust?
The crust is much thinner than the mantle.
Is the crust thinner or thicker than the mantle?
The crust is much thinner than the mantle.
Which is thicker mantle or crust?
The mantle is thicker than the crust. The Earth's crust is relatively thin, with an average thickness of about 5-70 km, while the mantle is much thicker, extending from the base of the crust to a depth of about 2,900 km.
Why the crust is thinner than the ocean floor?
The Earth's crust is thinner than the ocean floor because the oceanic crust is formed at mid-ocean ridges where heat from the mantle creates new crust through volcanic activity. This process creates younger, hotter, and thinner crust in the ocean compared to the older and thicker continental crust.
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.
Is the earth's crust thicker under the ocean?
Oceanic crust is thinner and denser than continental crust.
Is the moon's crust thinner or thicker than Earth's?
The moon's crust is thinner than Earth's crust. The Moon's crust is estimated to be around 25 to 40 kilometers thick, while Earth's crust varies between 5 to 70 kilometers thick.
Is the Moon's crust thinner or thicker than earth?
The Moon's crust is generally thinner than Earth's crust. The Moon's crust is estimated to be roughly 30 to 40 kilometers thick, while Earth's crust is on average about 40 kilometers thick but can be much thicker in some areas like continental crust.
If continental crust were thinner than its average thickness of 40km would it depress the mantle more or less than it does now?
If continental crust were thinner than its average thickness of 40km, it would depress the mantle less than it does now. This is because less mass in the thinner crust would exert less pressure on the mantle, resulting in less depression.
Which is thicker the mantle or the two core layers cobmine?
The two core layers (outer and inner core) are denser and thicker than the mantle. The mantle is the layer between the core and the crust of the Earth, and it is thicker than the core layers.
Does the continental or the oceanic crust extend farther into the mantle?
The continental crust because it is thicker than the oceanic crust
Is earth's continental crust thicker or thinner than the oceanic crust?
On average, it is much thicker than oceanic crust.
