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प्रश्न
What is meant by the term ‘metamorphism’?
उत्तर
The term metamorphism means change of form. It may be physical or chemical or both.
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संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
gneiss
How are igneous rocks formed?
What are metamorphic rocks?
Describe the process that leads to exfoliation.
Why are the igneous rocks also called the primary rocks?
Name the rocks which are most widespread on the earth.
What processes are involved in the formation of Igneous Rocks?
Explain this term associated with rocks: Lithification of Rocks.
Explain the formation of sedimentary rocks on the basis of agents of formation.
What is metamorphism?
How are chemically-formed sedimentary rocks produced?
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Igneous rocks are called primary 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 |
Match the following.
| A. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
