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

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9y ago

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What causes the pressure that allow diamonds to form in the mantel?

Diamonds form in the mantle due to high pressure and temperature conditions. The pressure is created by the overlying rock layers pressing down on the carbon-containing minerals, causing the carbon atoms to form the strong bonds necessary for diamond crystal structure to develop. Additionally, the high temperatures in the mantle aid in the transformation of carbon into diamonds.


Why are diamonds larger when found underground than being made in a laboratory?

Diamonds formed underground have more time to grow and develop under high pressure and temperature, leading to larger crystals. In a laboratory, diamonds are typically created using a faster process that may not allow for the same level of crystal growth, resulting in smaller sizes.


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 conditions allow rock in the mantle to the flow?

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


How do people manufacture diamonds?

Industrial diamonds have been manufactured since the mid-1950s. These resources are produced from carbon under ultra high pressure and extreme temperatures in technical laboratories. Without endorsement, you can follow the link, below, to learn more about how diamonds are created from crematory ashes.


Why isn't the earths entire mantle liquid?

The Earth's mantle is not entirely liquid because of the high pressure and temperature gradients that exist within it. While parts of the mantle can be semi-molten or partially melted, most of it remains solid due to the immense pressure acting on the rock materials. The solid regions allow for the transmission of seismic waves and support the tectonic plates that make up the Earth's crust.


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


Are diamonds translucent?

Some flawed diamonds could be called translucent: generally these diamonds are given an industrial use.


It is possible to have many small diamonds melting into one large diamond?

No, it is not possible for many small diamonds to melt and combine into one large diamond. The crystal structure of diamonds does not allow for this type of fusion.


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 conditions allow rock in the mantle flow?

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