L3 - Down South Flashcards
1
Q
What is the Weald-Artois anticline and how did it form?
A
- 30m years ago large earth movements caused compacted sediment layers to rise creating a dome and an arch (anticline)
2
Q
How did the south and north downs escarpments form?
A
Erosion of the chalk has left alternate strata of more and less resistant rock.
Forming a landscape known as scarp and vale topography
3
Q
Name a lowland landscape and its location.
A
The Weald
South England, Kent, Sussex, Hampshire, Surrey
4
Q
Define dip slope.
A
Gentle slope following the angle of the strata, behind an escarpment.
5
Q
Define scarp slope.
A
Slope in the land that cuts across the underlying strata
6
Q
Define strata
A
A layer of series of rock
7
Q
Define escarpment.
A
Steep slope or long cliff that forms due to erosion and separates two areas of differing elevation.
