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प्रश्न
Name the three stages of lithification of Sedimentary rocks.
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उत्तर
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Compaction: The weight of overlying layers compresses the sediments, reducing pore spaces.
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Evaporation: Water is removed, leaving behind dissolved minerals.
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Cementation: Minerals like silica, calcium compounds, or iron bind the compacted sediments together, turning them into solid rock.
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संबंधित प्रश्न
Differentiate between SIAL and SIMA.
Classify the following rocks by selecting the correct option given below:
coal
Mention any two characteristics of Sedimentary Rocks.
What are known as metamorphic rocks?
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Explain the formation of sedimentary rocks on the basis of agents of formation.
Classify the following rock: Dolomite
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The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
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Give reasons for the following
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Which types of rocks are predominantly found at the following locations?
- Central Maharashtra
- South Konkan
- Vidarbha
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Chemical sedimentary rocks are found in the beds of reservoirs.
Which Soils are formed by the weathering of metamorphic rocks?
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 |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
