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प्रश्न
Name the main types of rocks.
उत्तर
On the basis of their mode of formation, rocks are divided into three types :
- Igneous rocks
- Sedimentary rocks
- Metamorphic rocks.
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संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Classify the following rocks by selecting the correct option given below:
gneiss
Classify the following rocks by selecting the correct option given below:
coal
Classify the following rocks by selecting the correct option given below:
shale
State two points of distinction between rocks and minerals.
Which rocks are associated with ores of metals?
Explain this term associated with rocks: Lithification of Rocks.
Distinguish between rocks and minerals.
What are the chief characteristics of metamorphic rocks?
Classify the following rock: Coal
Classify the following rock: Dolomite
Classify the following rock: Gneiss
Classify the following rock: Slate
Give one word for the following.
The outer layer of the earth.
Give one example of an area of: Igneous rocks
How are igneous rocks formed?
How are sedimentary rocks formed?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
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.
