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Which one of the following is the largest felsic volcanic province of India ?

  • A.Malani Suite
  • B.Deccan traps
  • C.Rajmahal Traps
  • D.Sylhet Traps

Answer: A

The largest felsic volcanic province of India is the Malani Suite.

The Malani Igneous Suite of western Rajasthan, about 750 million years old (Neoproterozoic), covers some 50,000 square kilometres and is dominated by rhyolites, felsic tuffs and associated granites. It is described as the largest felsic igneous province of India and one of the largest in the world.

The Deccan, Rajmahal and Sylhet Traps are flood basalt provinces, dominated by mafic lava, so they are not felsic volcanic provinces.

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