Quartzite is metamorphosed from which one of the following rocks?

  1. A. Pegmatite
  2. B. Limestone
  3. C. Sandstone
  4. D. Shale

Correct Answer: C. Sandstone

Explanation

Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Sandstone is converted into quartzite through heating and pressure.

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