Stretching between the foot of the cliffs and the sea is wavecut or shore platorm, which is totally covered at high tide but stretches some 200 m towards the sea at low tide. It dips gently inland at an angle of about 10-15° and forms a series of sloping steps. Where the limestone is exposed there is a well-defined area of tilted limestone pavement, remarkably regular in places.Where the softer shale lies and has been eroded, there are a series of troughs that are now covered by sand and mud deposits.