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The same way any solid forms from a liquid - the liquid magma cools off and becomes solid. This usually happens when the magma comes to the cooler surface of the earth as lava, but it can occur very slowly inside of the earth as the magma gradually cools.

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What rocks are almost molten and churn about?

Magma is the molten rock beneath the Earth's surface that can churn about and eventually solidify to form igneous rocks. This process happens in the Earth's mantle and can lead to volcanic activity when magma reaches the surface as lava.


The molten rock that is found in the upper mantle are?

called magma. Magma is formed when rock in the upper mantle melts due to high temperature and pressure. This molten rock can then rise to the surface and solidify to form igneous rocks.


What do rocks become when they melt?

When rocks melt, they transform into molten liquid rock called magma. This magma can eventually cool and solidify to form igneous rocks, such as granite or basalt, depending on where the cooling process takes place.


Are magma and rock both pyroclastic?

No. Magma is not pyroclastic, and most rock isn't either. Pyroclastic material is ash and rock fragments ejected during explosive volcanic eruptions. Magma is molten rock beneath the earth's surface.


Molten rock under the ground?

Molten rock under the ground is called magma. It is formed from the melting of rocks in the Earth's mantle. Magma can rise to the surface through volcanic eruptions, or it can solidify underground to form igneous rock.


What is formed when rocks melt deep under ground?

Magma is liquified rock under the Earth's crust. When it emerges from a volcano it is renamed lava.


What forms when rock melts?

When rock melts, it forms magma. Magma is a molten mixture of rock-forming substances, gases, and water that is found beneath the Earth's surface. If the magma reaches the surface, it can then solidify to form igneous rocks.


What type of rocks form when molten rocks cool and solidify?

Igneous Rock


What replaces magma in the Earth?

The subduction and melting of oceanic crust replaces magma in the earth.


What Magma and lava can both solidify to produce?

They are both the same thing, which is melted rock, which means they solidify to form rock. The only difference between magma and lava is that magma is underground, and lava is not.


Can magma melt?

No, magma is already in a molten state. It is a mixture of molten rock, gases, and solids that exists beneath the Earth's surface. Magma can solidify to form igneous rocks when it cools and crystallizes.


Melted rock that is beneath Earth's surface?

Melted rock beneath Earth's surface is known as magma. Magma forms in the Earth's mantle and can rise to the surface, where it is then called lava. Magma can also cool and solidify beneath the surface, forming igneous rocks.