Tectonics

tectonics, volcanoes, earthquakes

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  • Created by: emma
  • Created on: 17-04-11 11:35

Theory - Plate Tectonics

WHAT IS THE THEORY OF PLATE TECTONICS?

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  • mobile crust
  • boundaries with tectonic activity
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EVIDENCE FOR PLATE TECTONICS

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  • hot spot theory
  • continental fit
  • fossils 
  • sea floor spreading
  • geological deposits
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CONSTRUCTIVE PLATE BOUNDARY

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  • plates move apart
  • convection and rising lava
  • Mid Atlantic Ridge
  • landforms - ridge, shield volcano, transform faults
  • hazards - earthquakes, volcanoes
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CONSERVATIVE PLATE BOUNDARY

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  • plates sliding past each other
  • San Andreas Fault
  • landforms - fault lines
  • hazards - earthquakes, tsunamis, landslides
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DESTRUCTIVE PLATE BOUNDARY (C/C)

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  • collision
  • Himalayas
  • landforms - mountain range
  • hazards - landslides, earthquakes, possible volcanoes
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DESTRUCTIVE PLATE BOUNDARY (OC/C)

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  • subduction
  • Andes mountains
  • landforms - mountain range, ocean trench, volcanoes
  • hazards - volcanoes, earthquakes, landslides
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DESTRUCTIVE PLATE BOUNDARY (OC/OC)

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  • subduction
  • Japan/Ring Of Fire
  • landforms - island arc, volcanic islands, ocean trench
  • hazards - volcanoes, tsunamis, earthquakes
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Comments

Jumaira

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not helpful. sorry.

Rachel

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I agree. But I am not sorry.

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