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प्रश्न
What do you understand by the following term:|
Exfoliation
उत्तर १
It is the process of scaling off the curved outer shells of the rock. Exfoliated dome-shaped rocks are largely found in great deserts.
उत्तर २
When the rock consists of homogeneous minerals the thin surface layer of rock absorbs heat during the day and expands, while during the night, this surface layer contracts. In a few days the rock breaks up or peels off into layers. This type of weathering is called exfoliation.
संबंधित प्रश्न
Give geographical reason:
Temperature changes result in physical weathering.
In which regions of the world is ‘frost action’ the common form of weathering?
What is gradation? Describe the two processes involved in gradation.
How are erosional plains formed?
What is weathering?
What is weathering? Illustrate the process graphically.
Define the following term briefly:
Soil texture
Account for the two types of weathering.
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Name three types of weathering.
