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प्रश्न
Distinguish between Intrusive and Extrusive Rocks
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. |
APPEARS IN
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
What is crust?
Distinguish between the following pair:
Degradation and aggradation
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Name any two chief characteristics of Igneous Rocks.
What is the main characteristics of Basic Igneous Rocks?
Which rocks are associated with ores of metals?
What is Mechanical Metamorphism?
Explain this term associated with rocks: Extrusive Igneous Rocks
What is meant by a rock?
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Igneous rocks are found in the regions of volcanoes.
How are sedimentary rocks formed?
______ rocks are also called Primary rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
