What are the two types of mass movement?

What are the two types of mass movement?

There are four different types of mass movement:

• Rockfall. Bits of rock fall off the cliff face, usually due to freeze-thaw weathering.
• Mudflow. Saturated soil (soil filled with water) flows down a slope.
• Landslide. Large blocks of rock slide downhill.
• Rotational slip. Saturated soil slumps down a curved surface.

What are the 2 Movement classes of mass wasting?

The most common mass-wasting types are falls, rotational and translational slides, flows, and creep. Falls are abrupt rock movements that detach from steep slopes or cliffs. Rocks separate along existing natural breaks such as fractures or bedding planes. Movement occurs as free-falling, bouncing, and rolling.

What are 3 examples of mass movement?

Rock falls, slumps, and debris flows are all examples of mass wasting. Often lubricated by rainfall or agitated by seismic activity, these events may occur very rapidly and move as a flow….Mass Wasting

• Intense rainfall.
• Rapid snowmelt.
• Earthquake.
• Volcanic eruption.
• Stream or coastal erosion.

What are different types of mass movement class 11?

TYPES OF MASS MOVEMENTS: creep, flow, slide and fall.

What is mass movement in science?

mass movement, also called Mass Wasting, bulk movements of soil and rock debris down slopes in response to the pull of gravity, or the rapid or gradual sinking of the Earth’s ground surface in a predominantly vertical direction.

What are the different types of mass movement can take place during a landslide?

TYPES OF LANDSLIDES. The term “landslide” describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination of these. The materials may move by falling, toppling, sliding, spreading, or flowing.

What are the different types of forces Class 11 geography?

These forces are exogenic and endogenic. The external forces are known as exogenic forces and the internal forces are known as endogenic forces.

What are the four main types of mass movement?

Types of mass movement. Mass movements can be divided into four main classes. These are falls, slides, creeps and flows. The classes are based on how quickly the rock and sediment moves and how much water there is. Steep and unstable slopes are more likely to have a mass movement than gentle and stable slopes.

What are some examples of mass movement?

Mass movement is the movement of surface material, such as soil, rocks and debris, caused by gravity and other underlying conditions, such as water, wind, ice and human activity. Landslides, rockfalls and avalanches are examples of mass movement.

Which type of mass movement is the most destructive?

The most destructive kind of mass movement is a landslide, which occurs when rock and soil slide quickly down a steep slope. Such mass movement is common where road builders have cut highways through hills or mountains. A mudflow is a rapid downhill movement of a mixture of water, rock, and soil.

What is the most rapid type of mass movement?

The most rapid type of mass movement, in which rocks ranging from large masses to small fragments are loosened from the face of a cliff. Rock Glacier. A mass of poorly sorted, angular boulders cemented with interstitial ice. It moves slowly by the action of gravity.