Layers of the Earth
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). P-wave & S-wave transmission. Density - Velocity. Ray Tracing. RAY TRACING ….
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