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प्रश्न
Describe the process that leads to exfoliation.
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
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
What are minerals?
Classify the following rocks by selecting the correct option given below:
shale
Classify the following rock: Limestone
Give one term for the following statement:
Sheet like body of igneous rock.
How is Plutonic rock formed?
Fossils are found in.
______ refer to rock in Greek.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
