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प्रश्न
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Give two differences between Extrusive Igneous and Intrusive Igneous rocks.
उत्तर
| S. No. | Extrusive Igneous rocks | Intrusive Igneous rocks |
| 1. | They are created when molten magma cools on the surface of the earth. | When magma solidifies inside the earth's crust, they are created. |
| 2. | These rocks have fine grains, are crystalline, and are smooth. | These are hard rocks with big crystals and a gritty feel. |
| 3. | For example - Basalt | For example - Granite |
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
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Igneous and sedimentary rocks can change into metamorphic rocks.
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Sheet like body of igneous rock.
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Man’s habitat is the biosphere and not the lithosphere in the true sense.
Igneous rocks are found in the regions of volcanoes.
Explain about Petrology.
Intrusive Igneous rocks are also called ______ rocks.
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 |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
