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प्रश्न
What is metamorphism?
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उत्तर
Metamorphism is a process of transformation of sedimentary and igneous rocks into the metamorphic rocks through physical and chemical reactions.
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संबंधित प्रश्न
What are minerals?
Name three types of rocks.
Distinguish between the following:
Sills and Dykes.
Explain the formation of sedimentary rocks on the basis of agents of formation.
What are the causes of metamorphism?
How are rocks important to us?
Name different types of sedimentary rocks.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one term for the following statement:
It has a definite chemical composition with its own chemical and physical properties.
Fossils are found in.
Distinguish between Metamorphic rock and sedimentary rock.
The word ‘Igneous’ is derived from the ______ word.
The oldest sedimentary rocks of the world have been identified in ______.
Intrusive Igneous rocks are also called ______ rocks.
Mention some uses of 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:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
