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.