Chapter 11 Mountains

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Chapter 11Mountains

• The boundary between the continental crust and
  the oceanic crust
• where the sea meets the land

• Continental Margin

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Continental Margins

• Passive Margin Little to no tectonic
  activity
• Active Margin Plate Tectonic activity present
  subduction or collision

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• How do mountains form? From stress! There are 3
  types

• Compression
• ? ?
• Tension
• ? ?
• Shear
• ??

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• Folding of mountains - just like paper!

• Anticline - upfold
• Syncline - downfold

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• Faults - breaks and cracks. There are three
  types

• Normal fault
• (one side of the boundary drops down)
• Reverse fault
• (one side of the boundary gets pushed up)
• Strike-slip fault
• (side by side, like san andreas)

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• Types of mountains

• Folded
• Collision boundary
• Dome
• Gentle hill
• Volcanic
• Volcano!
• Fault block
• Due to compression, tension or shear stress

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