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प्रश्न
Classify the igneous rocks on the basis of their place of origin.
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उत्तर
On the basis of origin igneous rocks are divided into two groups i.e. Extrusive and Instrusive igneous rocks. Extrusive igneous rocks are found on the surface of the earth by cooling down of erupted magma. Intrusive igneous rocks are formed beneath the earth’s crust after solidification of magma.
संबंधित प्रश्न
Give an example of intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
schist
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What processes are involved in the formation of Igneous Rocks?
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
How are sedimentary rocks formed?
Classify the following rock: Rock salt
Classify the following rock: Gypsum
Classify the following rock: Granite
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Give reasons for the following
Rocks are of great economic significance.
Which one of the following is the most widespread most and productive category of soil.
______ is the kind of metamorphic rock using which Taj Mahal was built.
Choose the incorrect statement from the following.
How are igneous rocks formed?
What are metamorphic rocks?
The word Ignis means rock.
______ rocks are also 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 |
