Tertiary coals occur in which of the following states in India?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Meghalaya.
Explanation:
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Tertiary coal refers to coal deposits formed during the Tertiary period of geological history, roughly 15 to 60 million years ago.
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In India, tertiary coal is mainly found in the northeastern states, especially in Meghalaya, Assam, Arunachal Pradesh, and Nagaland.
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In Meghalaya, significant tertiary coal reserves are found in regions like Jaintia Hills and Garo Hills.
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This type of coal is usually located at shallow depths, making it suitable for open-cast mining.
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Tertiary coal is primarily used for local industries and domestic purposes.
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Though it is generally less energy-rich than Gondwana coal (older and found in central India), it plays an important role in meeting the regional energy needs of northeastern India.