Which one of the following is <strong>NOT</strong> an igneous rock?

  1. A. Granite
  2. B. Slate
  3. C. Basalt
  4. D. Gabbro

Correct Answer: B. Slate

Explanation

Slate is a fine-grained, foliated metamorphic rock derived from an original shale-type sedimentary rock. Granite, Basalt, and Gabbro are igneous rocks.

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