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प्रश्न
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?
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उत्तर
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The type of rock is chemically formed sedimentary rock as limestone becomes marble. It is a marble.
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Sedimentary rocks are formed from sediment accumulated over long periods, usually underwater on the floors of shallow seas, rivers, and lakes. These rocks are formed by the process of evaporation of water containing in limestone which becomes marble.
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संबंधित प्रश्न
What is the difference between the inner and the outer core?
Give two examples of sedimentary rocks.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
How are igneous rocks classified on the basis of their chemical composition?
How are sedimentary rocks formed?
Name different types of sedimentary rocks.
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
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 |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
