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Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
Layers of the earth
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Layers of the earth

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Little information about The layers of the earth

Little information about The layers of the earth

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  • 1. LAYERS OF THEEARTH
  • 2.  Earth has 4 layers Crust Mantle Inner core Outer core
  • 3. Crust  TWO KINDS OF CRUST  Continental crust  Oceanic crust
  • 4. CRUST Silicon---(28%) Silica(SiO2),(or Quartz) Silicate ion(SiO4-) Aluminum(8%) Iron(5%) Calcium(3.6%) Sodium(2.8%) Potassium(2.6%) And Magnesium(2%)
  • 5. Mohorovic discontinuity  Named after Andrija Mohorovic (1857- 1936)  The boundary between the crust and the mantle
  • 6. Mantle  Very thick layer  “Asthenosphere”
  • 7. Core(Inner and Outer) Mostly made of molten iron and nickel Responsible of Earth’s magnetic field
  • 8. Rocks and Minerals  Kinds of rocks
  • 9. Igneous  Rocks formed from magma that cooled and hardened
  • 10. Sedimentary  Formed from sediments that accumulate and were compacted due to increase pressure
  • 11. Metamorphic  Resulted from being exposed to high temperature and pressure and difference chemical reactions
  • 12. Mineral resources

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