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The Gneiss is a coarse grained:

  • A.Volcanic Rock
  • B.Igneous Rock
  • C.Metamorphic Rock 

  • D.Sedimentary Rock

Answer: C

Gneiss is a coarse-grained metamorphic rock.

It forms when granite or sedimentary rock is subjected to high temperature and pressure, and its light and dark minerals separate into alternating bands - the foliation that distinguishes it. The Dharwar gneisses of peninsular India are among the oldest rocks on earth.

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