Q:

What name is given to the molten rock below the Earth's surface?

A:

The molten rock below the Earth’s surface is known as magma. Magma is a combination of a molten and semi-molten rock mixture that is extremely hot. Magma is between 1,292 and 2,372 degrees Fahrenheit, or 700 and 1,300 degrees Celsius.

Magma is a dynamic and fluid substance that is capable of creating new landforms. This molten rock starts in the upper part of the mantle and the lower portion of the crust. When magma erupts from a volcano or other vent, the molten rock is referred to as lava. When lava cools on the Earth’s surface and forms a solid structure, it is called igneous rock.


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