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प्रश्न
Explain this term associated with rocks: Metamorphism
उत्तर
It is the process of transformation of sedimentary and igneous rocks into metamorphic rocks through extreme temperature and compression by volcanism and diatrophism by physical and Chemical changes.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
basalt
Mention any two chief characteristics of Sedimentary Rocks.
Give two examples of metamorphic rocks
Distinguish between the following: Sills and Dykes.
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.
How are igneous rocks classified on the basis of their chemical composition?
What physical agents are involved in the sedimentary rocks?
What are metamorphic rocks?
Classify the following rock: Coal
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
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.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Volcanic mountains are covered with sedimentary rocks.
The word ‘Igneous’ is derived from the ______ word.
______ are chemical substances which exist in nature.
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:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
