Question
Quartzite is metamorphosed from which one of the following rocks?
NDA
General Ability
General Studies
2026
NDA 2026 (Phase 1)
NDA General Ability Question (2026) — Solution
Options
- A. Pegmatite
- B. Limestone
- C. Sandstone
- D. Shale
Answer
C. Sandstone
Step-by-step solution
Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Limestone metamorphoses into marble, while shale metamorphoses into slate, phyllite, schist, or gneiss. Answer: Sandstone
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