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प्रश्न
How are sedimentary rocks formed?
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उत्तर
Continuous deposition of sediments of silt, soil, debris, etc. by water, wind, and ice along lower landforms and solidification into different layers result in the formation of light sedimentary rocks.
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संबंधित प्रश्न
Fill in the blank
Granite is an example of intrusive ________ rocks.
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Classify the following rocks by selecting the correct option given below:
coal
How are rocks different from minerals?
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
Distinguish between the following pair:
Degradation and aggradation
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Explain this term associated with rocks: Laccoliths and Batholiths
Distinguish between the following:
Thermal and Dynamic Metamorphism.
How are chemically-formed sedimentary rocks formed? Give examples.
Classify the following rock: Marble
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
Give reasons for the following
Rocks are of great economic significance.
______ is the kind of metamorphic rock using which Taj Mahal was built.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Distinguish between Metamorphic rock and sedimentary rock.
Classify and explain the rocks.
Mention the types of rocks based on formation?
The types of rocks based on formation are
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
