discordant & concordant

Cards (8)

what is a DISCORDANT coastline? 
a coastline where the geology alternates between strata (bands) of hard rock and soft rock #
discordant coastline vs concordant coastline
what is A CONCORDANT COASTLINE? 
a coastline which has the same type of rock along its length
what do concordant coastlines tend to have fewer of? 
headlands and bays
why do discordant coastlines have headlands and bays?
because of the difference in erosion resistance
give details about SWANAGE AND LULWORTH COVE IN DORSET? 
TO THE EAST the coastline is DISCORDANT
to the south the coastline is concordant
what happens at a discordant coastline? 
rock types are perpendicular to the coastline forming headlands and bays
what happens at a concordant coastline? 
rock types are parallel to the coastline forming coves