Primary Coasts

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Primary Coasts

• Young coasts
• Terrestrial influences dominate
• Types
• Land erosional coasts
• Built out by land processes
• Fault Coasts

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Land Erosional Coast Chesapeake Bay
Courtesy of NASA
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Built by Land ProcessesMississippi Delta
Courtesy of NASA/JPL 2002
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Built by Land Processes Moraines and Drumlins
Courtesy of Fred Smith
Courtesy Univ. Wisconsin Geology
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Volcanic Coasts
Courtesy USGS
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Fault Coast Pt. Reyes

• Courtesy of Geography Students in Towson Univ.
  Env. Applications of GIS Fall, 2002

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Fjords
Aurlandsfjord, Norway
Puget Sound
Courtesy E.A. Vikesland
Courtesy NPL U. Wash.
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Secondary Coasts

• Significantly altered by marine processes
• Characteristics
• Irregular coastline
• Sea cliffs and sea caves
• Beaches

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Secondary Coast
North California Coast
Courtesy David Eppstein
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Beaches
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