India's Gondwana coalfields lie mainly in the valleys of

Question

Accepted Answer

D. {'text': 'Damodar, Godavari, Mahanadi and Son rivers', 'label': 'D'}

1. India's coal is of two geological ages: Gondwana (about 200 million yrs) and Tertiary (about 55 million yrs).
2. Gondwana coal (metallurgical quality, bituminous) is found in Damodar valley (Jharia, Raniganj, Bokaro), Godavari, Mahanadi and Son river valleys.
3. Tertiary coal (younger, more moisture, lignite type) is found in the North-East (Assam, Meghalaya) and J&K.
4. India's largest coalfield is Jharia in the Damodar valley.
_Source: NCERT Class 10 Social Science (Geography), Ch 5 "Minerals and Energy Resources", §5.3 Coal_

Answer

{'text': 'Godavari and Krishna rivers only', 'label': 'A'}

Answer

{'text': 'Only the Brahmaputra valley', 'label': 'B'}

Answer

{'text': 'Only the Ganga valley', 'label': 'C'}