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Neozoic Quaternary • Pleistocene

• Holocene

One million years

Azoic Era- Pangea was formed,no life in this time.

Silurian Period –period of Vertebrates molluscs, corals and Sharks originated in this time.

Carboniferous Period: Breaking up of Pangea in to two parts i.e Angaraland and

Gondwanaland.

With Tethys Sea in the Middle.

Jurassic Period : Gondwanaland broken up in to the peninsular India ,Madagascar ,

Australia, Antarctica etc.

Classification of the Indian Rocks :

Rocks of the Archean System :

• Oldest and Primary rocks.
  Ka’ka,TN,MP,Orissa,Chotanagpur plateau in JH.