structural terms

• what is strata


  layers of rock
• what is a bedding plane

  interface between two sedimentary strata, bonding between rocks on either side of the plane is weaker than two rock strata bonding directly together
• what is deformation


  degree of tilting or folding of rock by tectonic activity
• what is a dip


  angle at which rock strata lie
• what is faulting


  fracturing of rock with movement from the original position
• what is jointing


  fracturing of rock without movement from its original position
• what is a concordant coast

  rock strata runs parallel to the coast

  -often have long narrow islands parallel to the coastline

  -sometimes called dalmation coasts eg the dalmation coast off croatia
• what is a discordant coast


  rock strata runs at an angle to the coast

  -have a crenelated pattern of headlands and bays
• what is an anticline


  an up folded valley
• what is a syncline

  a down folded valley
• what is a lagoon


  trapped river water behind a bar