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प्रश्न
Why are the igneous rocks also called the primary rocks?
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उत्तर
The igneous rocks were the first to be formed. They form the basis of formation of other types of rocks. Thus, they are called primary rocks.
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संबंधित प्रश्न
Discuss the importance of rocks for the construction business.
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
gypsum
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?
Which rocks are associated with fossil fuels?
Distinguish between the following:
Calcarious and Carbonacious rocks.
Name different types of sedimentary rocks.
What physical agents are involved in the sedimentary rocks?
Classify the following rock: Basalt
How are sedimentary rocks classified?
Give one term for the following statement:
Sheet like body of igneous rock.
Distinguish between Intrusive and Extrusive Rocks
Find the difference between:
Igneous and sedimentary rocks
Volcanic mountains are covered with sedimentary rocks.
Mention a few specimens of magnificent rock-cut architecture in India?
Mention some uses of rocks.
Explain the different types of sedimentary 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 |
