Geological formation of India

 Today we are going to learn about the geological formation of India. 

Geological formation of india
Image credit - Getty image
Geological formation of India
Distribution of igneous, metamorphic and sedimentary rocks is the result of the following geological events in India. The distribution of Rocks in different places give the idea of the formation of India. 

History of geological formation of India

Cooling and Solidification of the crust surface ( plateau region) in the pre-cambrian era ( prior to 600 Million years ago). Archaean Gneisses and granites were formed, rocks were Metamorphosed, minor igneous activities occurred, Araveli folded mountain come into existence. 

After this leveling of the insulations and crushing or crumbling of the sediments of the Dharwarian group in Bijawars occurred. 

Calcareous deposits corresponding to humid and semi-arid climatic regims in the cuddapah(also know as kadapa) and Vindhayas basin are founded and its uplift during Cambrian period ( 500 Million years ago). 

In the Permo-carboniferous glaciation from a southerly source. These glacio-fluvial deposits are called Gondwana (270 million years ago) in permian period. 

In the permian period Gondwana land were formed but its fractured in mesozoic period(200 Million years ago). 

Close to the mesozoic (70 million years ago) Decan lava flow occurred on the area of 500000 square km during karakoram phase of himalaya origins. 

Other phase
Oligocene - 35 to 40 million years ago
Mid Miocene - 14 million years ago
Post Pliocene- 750 thousands years ago

In the above period himalaya sedimentary formations were  happened. 

Alluvial formation occurred in Pleistocene and Holocene period. 

Conclusion

We have discussed all the period were the indian rocks are shaped their size, texture and colours. 

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