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प्रश्न
How is Plutonic rock formed?
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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
Classify the following rocks by selecting the correct option given below:
schist
Explain this term associated with rocks: Lithification of 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.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
How are sedimentary rocks classified on the basis of their formation?
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Classify the following rock: Graphite
Give one example of an area of: Metamorphic rocks,
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Give reasons for the following
Extrusive rocks generally have small crystals.
Oldest Sedimentary rocks of the world has been identified in Green land.
What are the uses of soil?
______ refer to rock in Greek.
Minerals exist in nature ¡n the form of ______ or ______.
Mention some uses of rocks.
| A | B | ||
| 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.
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:
| 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.
