Maharashtra State PSC Model Paper 3

The correct answer is Sedimentary.

• Minerals which generally occur in rocks are:
  • Major metallic minerals like tin, copper, zinc and lead etc. are obtained in igneous and metamorphic rocks at the cracks, crevices, faults or joints.
  • In sedimentary rocks, several minerals like Coal, petroleum and some forms of iron ore have been concentrated as a result of deposition, accumulation and concentration for long periods under great heat and pressure.