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Why can diamonds form in the mantle?
The weight of the rocks above the mantle results in high pressure.Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.
How is pressure involved in melting mantle material at a mid-ocean ridge?
Pressure is involved because as the plates move apart, lower mantle material is hot, flexible, and solid. This rock is solid because of the great pressure of the layers above it. However. as the rock of the lower mantle rises, the pressure drops and the material melts.
What is the range of pressure within the stiffer mantle?
The pressure within the stiffer mantle ranges from about 14 GPa (gigapascals) at the upper boundary to over 136 GPa at the core-mantle boundary. This high pressure contributes to the solid-state behavior of the mantle material despite its high temperature.
What pressure allows diamonds to form in the mantle?
The high pressure in the Earth's mantle, estimated at around 725,000 pounds per square inch (50,000 atm), is what allows diamonds to form. This pressure is combined with high temperatures and specific carbon-containing fluids in the mantle, which lead to the crystallization of diamond.
What is the range of pressure of the stiffer mantle?
Its about .1 to 1.5 million atmosheres.
Why can diamonds form the mantle?
The weight of the rocks above the mantle results in high pressure.Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.
Are all earthquakes in the earth's crust?
It happens in the mantle and crust because the focus is the starting point and it is usually starts at the lithosphere(mantle) or near the mantle, but almost there.The focus rises up and the epicenter is the start of the earthquake.
Why can diamonds form in the mantle?
The weight of the rocks above the mantle results in high pressure.Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.
What happens to the mantle rock as you go deeper into the mantle?
earthquakes and volcanoes
How does the weight of the lithosphere affect the mantle?
The rock of the mantle is hot enough that it would melt at surface pressure. The weight of the lithosphere creates such great pressure on the mantle that it remains solid.
What is the pressure of the upper mantle?
somewhere between 1000 to 4000 degrees Celsius.
Does the mantle have the most pressure?
yes it does
What causes pressure to cause diamonds in the mantle?
The weight of the rocks in the crust and upper mantle results in the pressure that allows diamonds to form.
What happens to plates on the mantle?
Plates on the Earth's mantle are carried around by convection currents from the magma. This happens incredibly slowly.
How is pressure involved in melting mantle material at a mid-ocean ridge?
Pressure is involved because as the plates move apart, lower mantle material is hot, flexible, and solid. This rock is solid because of the great pressure of the layers above it. However. as the rock of the lower mantle rises, the pressure drops and the material melts.
Why is the lower mantle denser the the upper mantle?
The lower mantle is under greater pressure than the upper mantle, compressing the rock into a denser form.
How is the temperature and pressure in the Earth's mantle related to the depth of the mantle?
The degree of temperature and exertion of pressure by the molten materials (magma) within the mantle is directly proportional to its depth. This means that, the deeper you go down the mantle the higher the degree of temperature and pressure exerted.
