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The weight of the rocks in the crust and upper mantle.

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Q: What causes the pressure to allow diamonds to form in the mantle?
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What is an event that must occur in order for diamonds to reach Earth's surface?

'Allow' means to make possible, so you could say that erosion allows diamonds to reach the earth's surface. But it's more interesting than that. Diamonds are formed deep within the earth's mantle and are erupted to the surface -- or near the surface to account for erosion, as above -- by volcanic pipes.


What conditions allow rock in the mantle rock?

cause it will keep going until the lava stop erupting will make the mantle stop


What causes you to sense cold air around you?

encapsulated endings


Why is the mantle made up of a semi-liquid rock?

No one really knows exactly the state of matter throughout the entire mantle. Rigid upper mantle is part of the Earth's lithospheric plates, and below that, the asthenosphere exists where rock is in a putty like state that can bend and move without breaking. Then the mantle appears to become more solid with depth.


What causes a plastic bottle when filled with hot water to contract when a lid is placed on the top?

We have to assume that the lid does not allow air to enter the plastic bottle. When the water is hot, the air above the water is also hot. When the air cools down, its volume decreases significantly. This, in turn, causes the pressure in the bottle to decrease such that atmospheric pressureis greater than the pressure inside the bottle. This causes the bottle to contract since the force exerted on the bottle due to atmospheric pressure is greater than the force exerted on the bottle due to the air pressure inside the bottle. The volume of the bottle decreases until the pressure of the air inside becomes equal to atmospheric pressure. The changes in volume, pressure and temperature can be explained by the equation pV=nRT, where p:pressure of gas V:Volume occupied by gas n:number of moles of gas R:molar gas constant T:Thermodynamic temperature of the gas

Related questions

What conditions allow rock in the mantle to the flow?

cause it will keep going until the lava stop erupting will make the mantle stop


What keeps the mantle from turning into liquid?

The mantle rock is not hot enough to melt while under the pressure that exists at the depth it is at.When the crust cracks like it does at the spreading centers at mid-ocean ridges, the pressure is released just enough to allow melting of the top layer of the mantle, producing very dense basaltic lava.


What is an event that must occur in order for diamonds to reach Earth's surface?

'Allow' means to make possible, so you could say that erosion allows diamonds to reach the earth's surface. But it's more interesting than that. Diamonds are formed deep within the earth's mantle and are erupted to the surface -- or near the surface to account for erosion, as above -- by volcanic pipes.


Pressure of a nickel causes ice to do what?

If the ice is right at or close to the melting point temperature at ambient pressure, the pressure of a nickel will cause ice to melt and allow the nickel to penetrate into the ice, displacing the melted water as it goes.


What conditions allow rock in the mantle rock?

cause it will keep going until the lava stop erupting will make the mantle stop


What causes you to sense cold air around you?

encapsulated endings


What conditions allow rock in the mantle flow?

cause it will keep going until the lava stop erupting will make the mantle stop


Why is the mantle made up of semi liquid rock?

It is a semi-liquid rock as the sheer amount of pressure in this area is so strong, solid lumps are still formed however they would become liquid if you allow them to expand.


Why do scientists look at the ocean floor to research the mantle?

We look at the ocean floor to study the mantle because the ocean floor is made from rocks that were once part of the mantle but have be changed. These changes can be undone to a certain degree, and can allow us to study at the very least the major changes of the shallow mantle.


What type of business is Canadian Diamond Traders?

Canadian Diamond Traders is considered to be one of the top distributors of diamonds. They allow one to purchase and invest in diamonds, which is a lucrative commodity.


Why is the mantle made up of a semi-liquid rock?

No one really knows exactly the state of matter throughout the entire mantle. Rigid upper mantle is part of the Earth's lithospheric plates, and below that, the asthenosphere exists where rock is in a putty like state that can bend and move without breaking. Then the mantle appears to become more solid with depth.


What happens to A-V valves during ventricular contraction?

As the ventricles of the heart contract the pressure in the ventricles rises beyond that of the atria. This pressure differential causes the AV valves to shut.