headlands and bays

• alternating bands of hard rock and soft rock - discordant coastline
• rates of erosion are different for different types of rock;

  • soft rock - erodes quickly and forms bays
  • hard rock - erodes slowly and forms headlands (protruding bands of isolating rock)
• U shaped
• erosional feature - abrasion, hydraulic action and weathering
• beaches form withing bays