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Melts are most likely produced by the adiabatic rise of mantle material at divergent plate boundaries, such as mid-ocean ridges. As mantle material rises due to the reduction in pressure, it undergoes decompression melting, leading to the formation of magma.

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1y ago

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Related Questions

Where does felsic?

Heat from the mantle melts part of the lower crust.


Where does felsic form?

Heat from the mantle melts part of the lower crust.


What happens when th ocean crust melts in the mantle?

it makes more magma.


What water produce?

ice, when it melts.


What is an area where magma from deep within the mantle melts through the crust above?

Hot spot.


When solid rock in the earths mantle melts it forms a liquid rock known as?

Magma


What is wrong in this sentence rock melts at calderas and then is forced towards the crust as magma?

The sentence incorrectly implies that rock itself melts to form magma. In reality, the heat from the mantle causes the surrounding rock to melt and form magma which then rises towards the crust. Consider revising the sentence to accurately reflect this process.


What happen to the subducted material in a mantle?

The part of the plate that is subducting gets melted into magma and flows back into the mantle.


How is volcano formation at the divergent boundaries?

as the plates separate , hot rock from the upper mantle is drawn upwards and it partially melts


What rock that melts underneath earth?

The rock that melts underneath the Earth is called magma. Magma is formed from the melting of the Earth's mantle and can rise to the surface to form igneous rocks when it solidifies.


A majority of the melts in the Earth form through the partial melting of ultramafic mantle rock These newly-formed magmas are?

Rich in magnesium and iron due to their origin from ultramafic mantle rock. They are usually less viscous compared to melts formed from other types of rock. The composition of these magmas can vary depending on the degree of partial melting and the specific mantle source.


In the process of subduction a lithospheric plate descends into the?

mantle at a convergent plate boundary. This subducted plate melts due to the high temperatures and pressures in the mantle. The melted material can rise as magma and create volcanic arcs and mountain ranges on the Earth's surface.