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प्रश्न
Distinguish between the following:
Thermal and Dynamic Metamorphism.
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उत्तर
| Thermal Metamorphism | Dynamic Metamorphism |
| It takes place due to extreme temperature, which transforms the shape and texture of rocks. | It takes place due to excessive compression created by tectonic forces within the earth. |
| The heat may be due to hot magma or friction of rocks. | It takes place through physical or chemical changes by deep pressure. |
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संबंधित प्रश्न
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
Name two important landforms made by Igneous Rocks.
Classify the igneous rocks on the basis of their place of origin.
What are the causes of metamorphism?
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
How is sand that flows in a river formed? Collect some information about where the sand comes from.
Volcanic mountains are covered with sedimentary rocks.
Choose the incorrect statement from the following.
Chemical sedimentary rocks are found in the beds of reservoirs.
Classify and explain the rocks.
Kola sample title is located in ______.
What are metamorphic rocks?
This is the storehouse of rocks.
Which Soils are formed by the weathering of metamorphic rocks?
Explain the type of Igneous Rocks.
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.
