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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 crust?
Give an example of intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
gypsum
Give two examples of metamorphic rocks.
Describe how igneous rocks are formed.
How are igneous rocks classified on the basis of their chemical composition?
How are sedimentary rocks classified on the basis of their formation?
What is metamorphism?
Classify the following rock: Gneiss
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one example of an area of: Sedimentary rocks in India
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Give reasons for the following
Rocks are of great economic significance.
Igneous rocks are called primary rocks.
Mention a few specimens of magnificent rock-cut architecture in India?
______ 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 |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
