concordant coast-dorset coast

Question 1

factors that affect the development of lulworth cove

Answer 1

lithology
geological structure
orientation
fetch, prevailing wind

Question 1

lithology of lulworth cove

Answer 1

the bedrock around lulworth cove is sedimentary. therefore there’s been many layers of rocks on top of each other. the oldest rock, Portland stone are closest to sea and chalk is closes to inland rock

Question 2

orientation of Dorset coast

Answer 2

concordant coastline, therefore rocks are parallel to the coastline where alternating bands of rocks run behind it

Question 3

what’s the fetch distance

Answer 3

7000km, meaning the waves will be strong as there’s a long distance for the wind to blow over them therefore they’ll gain energy and be able to erode rocks more powerfully.

Question 4

what’s the direction of the prevailing wind.

Answer 4

south west, secondary direction is south east.

Question 5

geology and structure

Answer 5

limestone and chalk, the thick layer of limestone faces the waves with less resistant chalk behind.
portland limestone
Wealden clay
chalk
green sand