Geography
How is Gondwana coalfield different from tertiary coalfield in terms of location and quality?
Conventional Energy Sources
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Answer
| Gondwana Coalfields | Tertiary Coalfields |
|---|---|
| Gondwana coalfields are largely confined to river valleys like those of Damodar, Mahanadi and Godavari. These coalfields are located in the states of West Bengal, Jharkhand, Odisha, Chhattisgarh, Madhya Pradesh, Maharashtra, Uttar Pradesh, Andhra Pradesh and Telangana. | Tertiary coalfields are found in Assam, Arunachal Pradesh, Meghalaya, Nagaland, Kashmir and in the coastal areas of Tamil Nadu, Gujarat and inland basin of Rajasthan. |
| This coal is free from moisture and contains sulphur and phosphorus in small variable quantities. | This coal has a higher moisture content and more sulphur, with less calorific value. |
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