4.3 - Costal erosion Flashcards
1
Q
What is discordant coastline ?
A
When a different of soft and hard rock are alternation forming a coastline
2
Q
What is concordant coastline ?
A
When a consistent line of hard rock as a coastline
3
Q
How are headlands formed ?
A
Headlands are formed by the sea attacking hard cock and soft rock. Soft rock will erode more quickly because hard rock is more resistant. This will cause sections of hard-rock sticking out at the sea causing a ‘headland” .
4
Q
How are bays formed ?
A
The areas where the soft rock has eroded is called the “bay”. The bays will have beaches inside it.
5
Q
How are beaches formed ?
A
Rivers of sand and pebbles moving slowly along the coast. Sediments is transported by Longshore drift.
