Which of the following are Metamorphic rocks?

Question

Which of the following are Metamorphic rocks?

Gneiss and Mafic
Gneiss and Schist
Schist and Mafic
Schist and Chalk

LohaHridoy

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2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-01T13:21:41+06:00

Answer: Option 2

Schist and gneiss are produced by medium to high grade metamorphism. In some cases gneisses are produced by higher grade metamorphism than schists. Low-grade metamorphic rocks tend to be fine-grained (the newly formed metamorphic mineral grains that is). High-grade metamorphic rocks tend to be coarse-grained.