Notes Historical Geology Eart1 - Notes Historical Geology Earths Interior Layers Earths Interior Layers Lithosphere solid upper mantle and crust broken

Notes Historical Geology Eart1 - Notes Historical Geology...

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Notes Historical Geology Earth’s Interior Layers Earth’s Interior Layers Lithosphere solid upper mantle and crust broken into plates that move over the asthenosphere Asthenosphere part of upper mantle behaves plastically and slowly flows Earth’s Crust outermost layer continental (20-90 km thick density 2.7 g/cm 3 contains Si, Al oceanic (5-10 km thick) density 3.0 g/cm 3 composed of basalt Plate Tectonic Theory
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  • Spring '14
  • CHRISTENSEN
  • Plate Tectonics, plate tectonic theory, Historical Geology Earth

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