Igneous rock whose crystal is 1 cm called____________________?
Correct answer: D. Pegmatitic
- A. Plutonic
- B. Felsic
- C. Mafic
- D. Pegmatitic
Explanation
Pegmatitic rocks are defined by exceptionally large crystals, commonly exceeding about 1 cm. Plutonic describes an origin deep underground, while felsic and mafic refer mainly to mineral composition and color.
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