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प्रश्न
What is the basis for the classification of rocks?
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उत्तर
The basis for the classification of rocks are their mineral composition, colour and texture.
संबंधित प्रश्न
What is the difference between the inner and the outer core?
Name any three elements of the earth’s crust.
What is metamorphism?
What is meant by a rock?
Sedimentary rocks are also called stratified rocks. Why?
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Give one example of an area of: Metamorphic rocks,
How are sedimentary rocks classified?
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
How is sand that flows in a river formed? Collect some information about where the sand comes from.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
______ is known as the primary rocks.
Chemical sedimentary rocks are found in the beds of reservoirs.
Distinguish between Metamorphic rock and sedimentary rock.
What are metamorphic rocks?
An aggregate of minerals on the Earth’s Crust is called ______.
Minerals exist in nature ¡n the form of ______ or ______.
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 |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
