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10 Cards in this Set
- Front
- Back
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How thick is the crust? |
1km-80km |
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Two types of crust |
Continental Crust Oceanic Crust |
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the layer of granitic, sedimentary and metamorphic rocks which form the continents |
Continental crust |
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the part of the Earth's crust that makes up the seafloor. |
oceanic crust |
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How thick is the mantle? |
2,900 kilometers (1,802 miles) thick |
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What type of rocks is the mantle mostly made out of? |
silicates |
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How much does the mantle make up of the Earth's volume? |
84% |
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What is the mantle's temperature? |
1000c near the crust 3700c near the core |
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What are the two distinct layers of the mantle |
upper mantle lower mantle |
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part of the mantle that composes of the lithosphere and asthenosphere |
upper mantle |
