Question

Compare the godwana coalfields with the tertiary coalfields.

Answer 1

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Gondwana Coalfield :-

♣ These coalfields are older than tertiary coalfields.

♣ These r located in the eastern states of India I. e., West Bengal , Jharkand , Jharia, etc.

♣ The Godavari , Mahanadi and Son Valley also have coal deposits.

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TERTIARY COALFIELDS :-

♣ These coalfields are newer than Gondwana Coalfield.

♣ These r found in North Eastern states of India :- Meghalya , Assam , Arunachal Pradesh and Nagaland.

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Answer 2

Gondwana coal fields

i). These mines are the main producers of coal in India.

ii). These are more than 200 million years old.

iii). These produce good quality of coal.

iv). Gondwana coal occurs in Damodar valley, the Godavari, Mahanadi, Son and the Wardha valley.


Teritary Coal fields

i). These are the minor producers of coal in India.

ii). These are only 55 million years old.

iii). These produce a poor quality of coal.

iv). Teritary coal occurs in the north eastern states of Meghalaya, Assam, Arunachal Pradesh and Nagaland.