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Lithospheresolid outermost shell of a rocky planet. On the Earth, the lithosphere includes the crust and the uppermost mantle which is joined to the crust across the Mohorovicic discontinuity. Lithosphere is underlain by asthenosphere, the weaker, hotter, and deeper part of the upper mantle. Oceanic lithosphere is typically about 50-100 km thick (but beneath [..]
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LithosphereLa lithosphère (littéralement, la « sphère de pierre ») est l'enveloppe terrestre rigide de la surface de la Terre. Elle comprend la croûte terrestre et une partie du manteau supérieur.
Elle est divis [..]
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