Solved UPSC CDS/OTA Question
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Q · Rocks and Rock Cyclemedium · 45s
What happens to rocks during metamorphism?
TopicRocks and Rock Cycle
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Metamorphism changes the mineral structure and texture of rocks due to pressure and heat, transforming them into more stable forms without the rock melting completely. For example, shale transforms into slate with finer grains and a foliated texture.
Final Answer: Option B - Their texture and mineral composition change without melting