mass movement Flashcards
(5 cards)
1
Q
what is mass movement
A
movement of material under gravity
2
Q
what is slumping
A
heavy rain is absorbed by material
face becomes heavier
seperates material from slip plane
happens at concave cliff face
leaves rotational scar
3
Q
what is rockfall
A
rocks broken down by freeze thaw,
if at top it falls to shore
occurs more at wave cut notches where overhang weakens and falls
talus scree slope- loose stones that concave upwards
4
Q
what is landslide
A
rocks are saturated with water
slip down slope
steep gradient
soft rock with joints
5
Q
A
