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
Why is diamond clear and hard while graphite is soft?
Classify the following rocks by selecting the correct option given below:
schist
Describe the process that leads to exfoliation.
State two points of distinction between rocks and minerals.
How are igneous rocks classified on the basis of their chemical composition?
State the chief characteristics of metamorphic rocks.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Shale
Classify the following rock: Loess
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Lava comes out from a volcano.
Oldest Sedimentary rocks of the world has been identified in Green land.
What is lava?
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.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
