Question

Which one of the following is the oldest volcanics?

• A. Deccan
• B. Panjal
• C. Sylhet
• D. Rajmahal

Hint:

When identifying the oldest volcanics, consider the age of geological formations based on their location and the geological time scale.

Answer 1

The Correct Option is B

Step 1: Identify the Volcanic Regions.
- The Deccan Traps are one of the largest volcanic provinces in the world, but they are younger than the Panjal volcanics.
- The Panjal volcanics are considered among the oldest in India, formed during the late Palaeozoic and early Mesozoic era.
- Sylhet and Rajmahal are also volcanic formations but are younger than the Panjal volcanics.
Step 2: Conclusion.
Thus, the oldest volcanics are found in the Panjal region.
Final Answer: \[ \boxed{\text{Panjal}} \]