Coastlines

Question 1

When do emergent coastlines occur?

Answer 1

when either water level has fallen or the land has risen either way there is now a bit of coastline that is no longer under water

Question 2

How do tectonic plates relate to emergent coastlines?

Answer 2

emergent coastlines can pop up after tectonic activity where land is being pushed up by the tectonic plates

Question 3

What features to emergent coastlines have?

Answer 3

rocky coastlines
wave cut platforms
raised beaches

Question 4

When do submergent coastlines occur?

Answer 4

when coastlines are submerged under water due to rising sea levels could be as a result of an increase in water volume or the sinking of the lands surface

Question 5

When do discordant coastlines occur?

Answer 5

when bands of different types of rocks run perpendicular (at 90•) to the coast
these bands of rocks alternate between soft and hard rock all eroding at different rates

Question 6

What features to discordant coastlines have?

Answer 6

headlands due to eroding hard rock
bays due to eroding soft rock

Question 7

What are concordant coastlines?

Answer 7

have bands of similar rock types running parallel (alongside) the coast

Question 8

What features do concordant coastlines have?

Answer 8

coves formed by waves breaking through an outer layer of hard rock and then the waves sweep away the soft rock further inland creating a cove