Question

difference between GONDWANA coalfields and TERTIARY coalfiels?????

Answer 1

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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Answer 2

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$\red{\bold{\underline{\underline{Gondwana\: coalfields:-}}}}$

• (I) These mines are the main producers of coal in india
• (ii) These are more than 200 millions years old.
• (iii) These produce good quality of coal.
• (iv) Gondwana coal occurs in Damodar Valley, the Godavari, Mahanadi , Son and Wardha Valley.

$\pink{\bold{\underline{\underline{Tertiary\: coalfields:-}}}}$

• (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) Tertiary coal occurs in the north-eastern states of Meghalaya, Assam , Arunachal Pradesh and Nagaland

${\huge{\underline{\mathfrak{\green{\boxed{\boxed{Thanks}}}}}}}$