Question:
Which of the following is a coarse grained igneous rock that contains quartz and feldspar?
Which of the following is a coarse grained igneous rock that contains quartz and feldspar?
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Remember that granite is a common coarse-grained rock with visible quartz and feldspar crystals.
Updated On: May 6, 2025
- \( \text{Granite} \)
- \( \text{Marble} \)
- \( \text{Andesite} \)
- \( \text{Basalt} \)
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The Correct Option is A
Solution and Explanation
Granite is a coarse-grained (phaneritic) intrusive igneous rock that is rich in quartz and feldspar (both alkali feldspar and plagioclase). Marble is a metamorphic rock, andesite is a fine-grained (aphanitic) extrusive igneous rock, and basalt is a fine-grained extrusive igneous rock typically lacking significant quartz.
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