Advertisements
Advertisements
प्रश्न
Distinguish between Intrusive and Extrusive Rocks
Advertisements
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
Give an example of intrusive igneous rock.
How do acidic igneous rocks differ from basic igneous rocks?
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
Differentiate between Rock and Mineral
Name different types of sedimentary rocks.
What physical agents are involved in the sedimentary rocks?
Classify the following rock: Dolomite
Classify the following rock: Rock salt
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
How is Plutonic rock formed?
______ is known as the primary rocks.
Igneous rocks are called primary rocks.
How are igneous rocks formed?
Explain about Petrology.
What are the uses of soil?
______ rocks are also called Primary rocks.
______ rocks are also known as stratified rocks.
Match the following.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
