Question

Which one of the following stratigraphic units belongs to the Cretaceous?

• A. Lameta Formation
• B. Talchir Boulder Bed
• C. Fenestella Shale
• D. Kasauli Formation

Hint:

Lameta Formation (Cretaceous) lies below Deccan Traps and is rich in dinosaur fossils from India.

Answer 1

The Correct Option is D

Step 1: Background.
The Lameta Formation (also called Infratrappean Beds) occurs below the Deccan Traps in central India and represents sedimentary deposits from the Late Cretaceous period.
Step 2: Comparing the options.
(A) Lameta Formation: Late Cretaceous (Maastrichtian) — famous for dinosaur fossils.
(B) Talchir Boulder Bed: Lower Permian, part of the Gondwana sequence.
(C) \textbf{Fenestella Shale:} Lower Carboniferous age.
(D) Kasauli Formation: Miocene, part of the Siwalik Group.
Step 3: Conclusion.
Hence, the Lameta Formation belongs to the Cretaceous period.