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| con·ti·nen·tal crust |
noun |
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| Definition: |
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part of Earth's crust underlying continents: the part of the outer shell of Earth that constitutes the continents and the rocks beneath them down to the level of the mantle. It is approximately 35 km (22 mi) thick in most areas and is composed of sedimentary rocks near the surface and metamorphic rocks at a lower depth.
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