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The earth’s crust
The earth’s crust
The earth’s crust
The earth’s crust
The earth’s crust
The earth’s crust
The earth’s crust
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The earth’s crust

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  • 1. The Earth’s Crust
  • 2. Introduction <ul><li>There are four major Earth zones </li></ul><ul><ul><li>Three are solid and one is liquid </li></ul></ul><ul><ul><ul><li>Crust – solid </li></ul></ul></ul><ul><ul><ul><li>Mantle – solid </li></ul></ul></ul><ul><ul><ul><li>Outer core – liquid </li></ul></ul></ul><ul><ul><ul><li>Inner core solid </li></ul></ul></ul>
  • 3. The Crust <ul><li>The crustal thickness </li></ul><ul><ul><li>In comparison to the other parts is very thin </li></ul></ul><ul><ul><li>The average thickness of the continental (land) crust is thicker than the oceanic crust </li></ul></ul>Composed of mafic or basalt Composed of low density felsic granite Not as thick Thicker Oceanic Crust Continental (land) crust
  • 4. The Mantle <ul><li>Where the crust rests </li></ul><ul><li>Makes up most volume of the earth </li></ul><ul><li>The boundary between the crust and the mantle is called the Mohovoricic Discontunity or aka MOHO </li></ul>
  • 5. Outer core <ul><li>Below the mantle </li></ul><ul><li>Made out of liquid </li></ul><ul><li>Evidence of seismic waves proves that it is made up of metallic </li></ul>
  • 6. Inner core <ul><li>Hottest part of earth </li></ul><ul><li>Made of solid </li></ul>
  • 7. Interior Characteristics <ul><li>As you go deeper in the Earth the more density, the higher the temperature, and the more pressure you will encounter </li></ul>

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