Synonyms of 'Layers of the earth's crust'
asthenospherea thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement basementa part of the earth's crust formed of hard igneous or metamorphic rock that lies beneath the cover of soft sedimentary rock, sediment, and soil continental crustthat part of the earth's crust that underlies the continents and continental shelves lithospherethe rigid outer layer of the earth, having an average thickness of about 75 km and comprising the earth's crust and the solid part of the mantle above the asthenosphere lower mantleMohorovicíc discontinuityoceanic crustsimathe silicon-rich and magnesium-rich rocks of the earth's oceanic crust, the most abundant individual rock being basalt sialthe silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite transition zoneupper mantle ▷ See earth
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Word List of Layers of the earth's crust from the Collins English Word Lists