Question:
Which of the following stratigraphic unit(s) is/are coal/lignite bearing?
Which of the following stratigraphic unit(s) is/are coal/lignite bearing?
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Coal-bearing formations like the Barakar and Barail are important for understanding the regional coal reserves in India.
Updated On: Nov 18, 2025
- Barakar Formation
- Barail Group
- Cuddalore Formation
- Ariyalur Formation
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the question.
The question asks which of the following stratigraphic units are known to contain coal or lignite. These are important coal-bearing formations in India.
Step 2: Analyzing the options.
(A) Barakar Formation: Correct — The Barakar Formation is a major coal-bearing formation in the Damodar Valley, which contains significant deposits of coal and lignite.
(B) Barail Group: Correct — The Barail Group is also known to contain coal and lignite deposits, especially in Assam and other northeastern regions.
(C) Cuddalore Formation: Incorrect — The Cuddalore Formation does not contain significant coal or lignite deposits.
(D) Ariyalur Formation: Incorrect — The Ariyalur Formation is not known for coal or lignite deposits, but it contains limestone and other sedimentary rocks.
Step 3: Conclusion.
The correct answer is (A) Barakar Formation and (B) Barail Group, as they are known coal-bearing formations.
The question asks which of the following stratigraphic units are known to contain coal or lignite. These are important coal-bearing formations in India.
Step 2: Analyzing the options.
(A) Barakar Formation: Correct — The Barakar Formation is a major coal-bearing formation in the Damodar Valley, which contains significant deposits of coal and lignite.
(B) Barail Group: Correct — The Barail Group is also known to contain coal and lignite deposits, especially in Assam and other northeastern regions.
(C) Cuddalore Formation: Incorrect — The Cuddalore Formation does not contain significant coal or lignite deposits.
(D) Ariyalur Formation: Incorrect — The Ariyalur Formation is not known for coal or lignite deposits, but it contains limestone and other sedimentary rocks.
Step 3: Conclusion.
The correct answer is (A) Barakar Formation and (B) Barail Group, as they are known coal-bearing formations.
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