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प्रश्न
Distinguish between the following:
Plutonic and Volcanic rocks.
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उत्तर
| Plutonic rocks | Volcanic Rocks |
| These are intrusive igneous rocks. | These are extrusive igneous rocks. |
| These cool down very slowly due to heat in the interior. | These cool down abruptly due to the lower temperature in the surface region. |
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संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Classify the following rocks by selecting the correct option given below:
schist
Why are the igneous rocks also called the primary rocks?
State two characteristics of Basic Igneous Rocks.
Name the rocks which are most widespread on the earth.
Name the three stages of lithification of Sedimentary 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 chief characteristics of metamorphic rocks.
Name different types of sedimentary rocks.
Classify the following rock: Granite
State the properties of metamorphic rocks.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Give reasons for the following
Silicates are the most common rock forming minerals.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
______ is known as the primary rocks.
How are igneous rocks formed?
______ are chemical substances which exist in nature.
Minerals exist in nature ¡n the form of ______ or ______.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
