B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Sixth Semester
Geology
REGIONAL GEOLOGY
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Define Palghat Gap.
2. List out the rock types of Sittampundi complex.
3. Define black soils of Tamil Nadu.
4. Define Cauvery basin.
5. Define the characters of clay beds.
6. List out Pondicherry distributions of rock types.
7. Types of lignite in Neyveli.
8. List out precious stones in Tamil Nadu.
9. What is the suitable environment for Bauxite?
10. Define the beach placers.
Sub. Code
4BGE6C2
AFF-4486
2
Ws1
Part B x 5 25)
Answer all the questions by choosing either or
11. Define importance of morphology studies in geology.
Or
Describe the drainage network of Tamil Nadu.
12. Describe the Archean system.
Or
Briefly note on khondalites.
13. Describe the Nagapattinam sub basins.
Or
Describe cretaceous marine formations.
14. Write an account on mineral wealth of Cuddalore.
Or
Briefly note the charnockites of Tamil Nadu.
15. Describe Sivaganga formations.
Or
Write a short note on Iron ore deposits in Tamil
Nadu.
Part C x 10 30)
Answer any three questions.
16. Explain the Tambrabarani river system.
17. Write a detailed note on Anorthosites complex of
ottanchatram.
AFF-4486
3
Ws1
18. Discuss the distribution of semi-precious stone in Tamil
Nadu.
19. Explain beach placer deposits.
20. Discuss Bauxite deposits in Tamil Nadu.
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