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Layers of the Earth

Layers of the Earth

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Layers of the Earth

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  1. Layers of the Earth Inner Core: Solid, Iron (~11%Ni), 1215 km thick Outer Core: Molten, Iron (Ni, S,O..?), 2159 km Mantle: Silicates (has more Mg, Fe than crust) Crust: Silicates (has more K, Na than Mantle)

  2. P-wave & S-wave transmission

  3. Density - Velocity

  4. Ray Tracing

  5. RAY TRACING…

  6. Plates

  7. Lithosphere

  8. Plate interactions

  9. Seafloor Spreading

  10. Ocean-Ocean Plate Convergence

  11. Ocean-Continent Convergence

  12. Plumes & Plates

  13. Wilson Cycle

  14. Rifting & Ocean Formation

  15. Plates Collide

  16. Supercontinent Cycle(Don Anderson, Roger Larson)