Advertisements
Advertisements
प्रश्न
How is Plutonic rock formed?
Advertisements
उत्तर
Plutonic rocks are the igneous rocks which are formed as some depth in the earth’s crust, when a molten material gets solidified under pressure.
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Distinguish between the following pair:
Degradation and aggradation
State two points of distinction between rocks and minerals.
Which agents are responsible for deposition of sediments?
Explain this term associated with rocks: Lithification of Rocks.
Explain this term associated with rocks: Metamorphism
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
What are the causes of metamorphism?
Differentiate between Rock and Mineral
Name different types of sedimentary rocks.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
What is the basis for the classification of rocks?
Igneous rocks are found in the regions of volcanoes.
How are igneous rocks formed?
This is the storehouse of rocks.
Igneous Rocks are ______ rocks.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
