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प्रश्न
Distinguish between Intrusive and Extrusive Rocks
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उत्तर
| Intrusive Rocks | Extrusive Rocks |
| Intrustive rocks are formed beneath the surface of the Earth. | Extrusive rocks are formed on the surface of the Earth. |
| These rocks have large size crystals due to slow cooling. | Crystals are not formed due to rapid cooling of lava. |
| These are also known as plutonic rocks. | These are also known as volcanic rocks. |
| Granite is an example of these rocks. | Basalt is an example of these rocks. |
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Classify the following rocks by selecting the correct option given below:
marble
Classify the following rocks by selecting the correct option given below:
sandstone
Classify the following rocks by selecting the correct option given below:
schist
How are rocks different from minerals?
Name two important landforms made by Igneous Rocks.
Explain this term associated with rocks: Laccoliths and Batholiths
What is metamorphism?
Give one example of an area of: Igneous rocks
Give one example of an area of: Metamorphic rocks,
Give one term for the following statement:
Igneous rocks of deep seated origin.
Give one term for the following statement:
Formed by evaporation in saline lakes.
Volcanic mountains are covered with sedimentary rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
What is thermal metamorphism?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
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.
