Science glossary film: Mantle

Mantle

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The middle portion of the Earth's interior, between the outer crust and the core.

The middle portion of the Earth's interior, between the outer crust and the core. The mantle is composed of hot, rocky material under great pressure, with denser minerals concentrated at greater depth. While it is easily hot enough to melt rock at the surface, pressure makes the mantle a lot less fluid, and the inner mantle is solid.

The mantle is composed of hot, rocky material under great pressure, with denser minerals concentrated at greater depth. While it is easily hot enough to melt rock at the surface, pressure makes the mantle a lot less fluid, and the inner mantle is solid.

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