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प्रश्न
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
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उत्तर
| Acid Igneous Rocks | Basic Igneous Rocks |
| These are lighter rocks with silica content 65 to 85 percent with density less than 2 g/cm.3 | These are denser rocks with silica content 40 to 60 percent with average density between 2.8 g/Cm3 and 3.0 g/cm.3 |
| Example: Granite. | Example: Basalt. |
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संबंधित प्रश्न
What are minerals?
Classify the following rocks by selecting the correct option given below:
shale
Classify the following rocks by selecting the correct option given below:
granite
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Degradation and aggradation
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Explain the formation of sedimentary rocks on the basis of agents of formation.
What are the causes of metamorphism?
Name the main types of rocks.
Classify the following rock: Granite
Classify the following rock: Marble
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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Diamond is an example of _______ rock.
The word Ignis means rock.
What are the characteristics of Sedimentary 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 |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
