Rocks having coarse bubble holes are called_______________________?
Correct answer: D. Scoria
- A. Purr ice
- B. Mafic
- C. Felsic
- D. Scoria
Explanation
Scoria is a dark, vesicular volcanic rock with many relatively large bubble-like holes formed by escaping gas. Felsic and mafic describe composition, not the characteristic coarse vesicles asked about.
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