Consider the following pairs with reference to sedimentary rocks and the process of their formation : Sedimentary Rock Process of Formation 1. Chert — Chemically formed 2. Geyserite — Organically formed 3. Shale — Mechanically formed Which of the pairs given above is/are correctly matched ?
- A. 1 only
- B. 1 and 2 only
- C. 2 and 3 only
- D. 1, 2 and 3 ✓
Correct Answer: D. 1, 2 and 3
Explanation
According to typical physical geography classifications, shale is mechanically formed, chert is chemically formed, and geyserite/chalk/coal are considered organically formed sedimentary rocks.
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