Kinds of Mass Movement (Grade 11 NSC Matric Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Force driving mass movement
Force driving mass movement
Gravity
Min. slope angle for rockfalls
Min. slope angle for rockfalls
Greater than 40 degrees
Talus slopes
Talus slopes
Fallen rocks collected at base of cliffs
Landslides movement characteristic
Landslides movement characteristic
Masses move as single, cohesive units
Slumps pathway shape
Slumps pathway shape
Curved pathway downhill
Mud flow speed range (km/h)
Mud flow speed range (km/h)
1 to 200 km/h
Solifluction climate
Solifluction climate
Cold climates
Soil creep rate
Soil creep rate
Less than 1 cm per year
Terracettes
Terracettes
Small step-like features on hillsides
Mass movement classification factors (3)
Mass movement classification factors (3)
Speed, water content, flow characteristics