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Question
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
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Solution
| 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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