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Earth's Mantle is made up of hot rocks and lava. It is 1800 mi. thick.There are pockets of magma that occasionally errupt upward through the Earth's crust.

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13y ago
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7y ago

The mantle is made of incredibly hot rock, kept solid by immense lithospheric pressures.

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12y ago

It is made of molten rock.

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12y ago

Molten rock and mineral

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13y ago

Olivine.

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Q: What is earths middle mantle made of?
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