Features of emergence

• how do raised beaches form?

  when sea levels fall relative to the land the coastal features are left high and dry
• raised beaches:

  some geographers use the term MARINE PLATFORM to signify a larger expanse of gently sloping formerly submerged land
• where are raised beaches common?

  western scotland
• raised beaches - ISLE OF ARRAN?

  • relic cliffs, arches, stacks, caves
  • beach is 4-5m above present day sea levels\
  • raised beach created by isostatic updrift of the land which must have occured at a faster rate than the eustatic rise in sea level
• what would a coastline of emergence have?

  eg raised beaches, relict cliffs