Coasts Flashcards
discordant
when rock strata are at right angles to the coast.
concordant
when rock strata are parallel to the coast.
joints
small vertical cracks found in rocks.
faults
large cracks caused by past tectonic movements.
stack
a tall steep land form made of rock.
stump
a stack that has collapsed due to erosion.
fetch
the length of water the wind blows over.
swash
when water is washed up the beach.
backwash
when the water is washed down the beach.
constructive waves
waves that transports sand up the beach.
destructive waves
waves that erode sand from the beach.
long-shore drift
when sediment is transported along the coast by waves.
spit
an extended stretch of sediment that projects out to sea.
bar
a spit that grows across a bay and joins two headlands.
headland
a section of land jutting out into sea.
