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Question
State and explain the classification of mass movements.
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Solution
Mass movements are divided into slow and rapid movements. Slow movement includes Creep, movement of soil and debris and Solifluction or clay formation Rapid movement includes landslide, Earth Flow or a heavy thick paste of soil down the slope, Mud Flow in the areas without vegetation cover and Sheet Wash in the form of large sheet flow snatching thick rock strata uncovering the rocks below. It may also take place by human activities of settlement.
A mass movement has built many remarkable landforms as Himalayan lakes, Terraces, escarpment, etc
RELATED QUESTIONS
Match the column
| Column A | Column B |
| 1. Granular disintegration | (i) causes feldspar to become a powdery mass |
| 2. Oxidation | (ii) is common in deserts |
| 3. Carbonation | (iii) is the simplest form of chemical weathering |
| 4. Hydration | (iv) mainly affects limestone regions |
| 5. Solution | (v) results in the rusting of iron |
What is known as exfoliation?
What is known as Sheet Wash?
Define weathering.
Describe the chief characteristics of weathering.
Distinguish between:
Weathering and Denudation
What is a badland topography?
What do you understand by the following term:
Soil texture
Give a geographical reason:
Human is an agent of weathering.
A region is having an annual mean temperature of 5°C and an annual rainfall of 1000 mm. Can you comment upon the weathering and the type with the help of the following questions? Discuss in class.
- Which type of weathering will be dominant here?
- Where will such a region be found?
