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continental plateA rigid, independent segment of the lithosphere composed of mainly granite that floats on the viscous plastic asthenosphere and moves over the surface of the Earth. The Earth's continental plates [..]
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continental platetectonic plate found beneath continents.
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continental platea rigid, primarily granitic slab floating on the asthenosphere, a layer of semi-molten upper mantle. The plates average 125 kilometers of thickness and are pushed rather than pulled by currents in the mantle. (See Plate Tectonics.) The continents riding atop the plates occupy 29% of the planet surface.
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continental platea segment of the earthî–¸ crust made up of sial. Found mostly, but not exclusively, above sea-level.
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continental plateA thick continental crust.
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