Saturday, October 4, 2008

Composition of earth






The Earth is divided into several layers which have distinct chemical and seismic properties (depths in km):

  • 0 - 40 Crust
  • 40 - 400 Upper mantle
  • 400 - 650 Transition region
  • 650 - 2700 Lower mantle
  • 2700 - 2890 D'' layer
  • 2890 - 5150 Outer core
  • 5150 - 6378 Inner core



Slide 32

Composition of earth




The internal structure of Earth

Model for Structure of Earth







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