Mass Wasting

Question 1

Downward motion of rock, ice or snow; commonly through debris flows, landslides, mudflows, rock flows

Answer 1

Mass Movement (mass wasting)

Question 2

Three Classifications of a Movement

Answer 2

Material type, movement rate, and material motion

Question 3

Types of Mass Movement

Answer 3

Creep, Solifluction, Rock Glaciers
Slumping
Lahars and Mudflows
Debris Flows
Rockfalls and slides

Question 4

Slow downhill movement of earth material due to seasonal soil expansion and contraction; contains regolith

Answer 4

Creep

Question 5

Slow Downslope movemnet of saturated surface sediment; common in areas of permafrost - when it melts; not smooth

Answer 5

Solifluction

Question 6

Moving an entire piece of rock as a coherent block of material sliding down; head scarp, looks like a spoon

Answer 6

slumping

Question 7

inherently water rich; slurry motion type of mud and water; fine sediment; common in tropical settings CAN BE MAN MADE

Answer 7

Mudflows

Question 8

Mudflows made of volcanic material

Answer 8

Lahars

Question 9

Vertical movement; little lateral - bedrock (regolith) moves rapidly downward

Answer 9

Rock falls and slides

Question 10

Blocks of bedrock slide down a slope

Answer 10

bedrock slides

Question 11

Turbulent clouds of debris and air; occur in defined chutes; snow

Answer 11

avalanche

Question 12

Driving forces of mass movement

Answer 12

gravity and friction

Question 13

Slope characteristics

Answer 13

Angle
Undercutting
Strength of Rocks

Question 14

2 geological phases that trigger mass movement

Answer 14

Vibrations

Adding Water