Earth Has Its Faults


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Earth Has Its Faults

  1. 1. Earth Has Its Faults Miguel Hidalgo School Mrs. Lee
  2. 2. A Fault <ul><li>A crack between two blocks of rock. </li></ul>
  3. 3. The Movements Earthquakes Creeps When the movements happen quickly When the movements happen slowly
  4. 4. How Long Can A Fault Be? <ul><li>A few millimeters </li></ul><ul><li>Thousands of kilometers </li></ul>
  5. 5. What Forms The Fault? <ul><li>Stress within the earth’s crust </li></ul>
  6. 6. Hanging Wall v.s. Foot Wall Hanging Wall Foot Wall Above the fault Below the fault
  7. 7. Which one is the hanging wall? <ul><li>Did you notice that the hanging wall is always in the direction of the dip of the fault plane ? </li></ul>
  8. 8. The Fault Plane <ul><li>The fault plane is the area where the movement occurs. </li></ul>
  9. 9. Different Types Of Faults Faults Normal Faults Reverse Fault Strike-Slip Fault
  10. 10. Fault Scarp
  11. 11. San Andreas Fault (A Strike-Slip Fault)
  12. 12. Blind Thrust Fault
  13. 13. Breathtaking Landscapes Normal Faults Reverse Faults Strike-Slip Faults