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प्रश्न
Describe the process that leads to exfoliation.
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उत्तर
When the surface layers of rounded rocks and boulders gradually peel off in layers is called exfoliation. This occurs due to expansion of the outer layer during the day and the contraction of the same layer during the night, repeatedly over a period of time.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
limestone
How are sedimentary rocks formed?
Name the three stages of lithification of Sedimentary rocks.
Give two examples of metamorphic rocks.
Explain this term associated with rocks: Extrusive Igneous Rocks
What are metamorphic rocks?
Classify the following rock: Marble
Which one of the following is the most widespread most and productive category of soil.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
