BGYCT137 EM 2023 JAN TO DEC SOLVED ASSIGNMENT

Description

Tutor Marked Assignment
STRATIGRAPHYAND PALAEONTOLOGY
Course Code: BGYCT-137
Assignment Code: BGYCT-137/TMA/2023
Maximum Marks:100
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Note: Attempt all questions. The marks for each question are indicated against it.
Write all answers in your own words; do not copy from the course material.
Part A
1. Write short notes on the following:
a) Order of superposition
b) Stratigraphic contacts and unconformities
(5)
(5)
2. Discuss in detail litho-, bio- and chrono-stratigraphic classifications. 10)
3. Give a detailed account of stratigraphy of Palaeogene–Neogene sequences of
Northwest Himalaya.
(10)
4. Describe stratigraphic classification, lithology and economic importance of
Dharwar and Delhi supergroups.
(10)
5. Describe stratigraphy and economic importance of Gondwana Supergroup.

(10)
Part B
6. What are fossils? Discuss in detail, the processes of fossilisation. (10)
7. Write short notes on the following:
a) Gondwana flora
b) Mineral-walled microfossils
(5)
(5)
8. Discuss the evolutionary history of horse. Add a note on the role of climate in
the evolution of horse.
(10)
9. Discuss the morphology and geological history of brachiopods. Add a note on
the living fossil – Lingula.
(10)
10. Write short notes on the following:
a) Morphology of gastropods
b) Geological history of trilobite