Wednesday, February 4, 2009

Major Boundary Problems

Major Boundary Problems

1. Write explanatory notes on Cretaceous-Eocene boundary problems. 1979
2. Describe the extinctions that occurred at the close of the Cretaceous. Were the land plants similarly affected? Do fossil records reveal any extinction? 1981
3. What is the oldest recorded undoubted organic remain? Write what you know of early Precambrian times. 1981
4. Answer in 200 words: No other geological formation shows a more divergent facies of deposits in different areas in India than the Cretaceous. 1982
5. Answer in 200 words: Life in the Precambrian. 1983
6. Answer in 200 words: Permo-Carboniferous boundary. 1983
7. Answer in 200 words: Cretaceous-Eocene boundary. 1984
8. Discuss in detail the upper Paleozoic succession on Kashmir. Also write a note on the problem of Permian Triassic boundary in general. 1985
9. What are the problems concerning Early Precambrian geochronology? How do you solve them? 1985
10. Answer in 200 words: Permian-Triassic boundary. 1986
11. Answer in 200 words: Neogene-Quaternary boundary. 1988
12. Discuss Cretaceous-Eocene boundary. 1989
13. Write notes on P/T boundary in 200 words. 1990
14. Describe the Cretaceous rocks of South India. 1993
15. Write explanatory notes on Pleistocene Glaciation. 1995
16. Write notes in 200 words on Cretaceous-Eocene boundary. 1996
17. Write detailed notes on Marine transgression in Permocarboniferous. 1996
18. Write explanatory notes on K/T boundary. 1997
19. What is marine transgression? Discuss the Cretaceous rocks of Trichinapalli with special reference to their fossil contents. 1998
20. Write critical notes in about 200 words on: Boundary problems in Indian Stratigraphy. 1999
21. Write stratigraphic notes on Geological succession and fauna of the Cretaceous formations of Narmada Valley. 1999
22. Which are the most controversial stratigraphic boundaries? 2000
23. On which age level (in million years) is the Precambrian-Cambrian boundary placed? What are the Cambrian fauna? Are they found in the Indian subcontinent? If so, where? 2001
24. Answer in 200 words: Pleistocene Glaciation. 2003
25. Write about Cambrian-Precambrian boundary. 2005
26. Describe the K-T boundary succession in India. 2006
27. Write about Cretaceous-Tertiary Boundary. 2007

Classification of Stratigraphic Sequences-Lithostratigraphic, Biostratigraphic, Chronostratigraphic, Magnetostratigraphic and their Interrelationships

Classification of Stratigraphic Sequences-Lithostratigraphic, Biostratigraphic, Chronostratigraphic, Magnetostratigraphic and their Interrelationships
1. Write explanatory notes on Age of Saline Series. 1979
2. Describe the following boulder conglomerate beds indicating their environment of deposition, their respective stratigraphic position and correlation: - Upper Siwalik boulder conglomerate - Mandhali boulder bed - Talchir boulder bed - Blaini boulder bed 1980
3. Answer in 200 words- characteristic features of intertrappean beds. 1981
4. Answer in 200 words- methods of stratigraphic correlation. 1982, 1987
5. ‘A crescent shaped basin in India, its concave side facing the east lies not far from Madras. The eastern margin of the basin shows steep folding; in the eastern half, the rocks lie horizontally on the Archean gneisses and schists.’ Identify the basin and enumerate in brief the stratigraphic succession and geology of the rocks of the basin. 1982
6. Answer in 200 words- correlation of unfossiliferous strata. 1983
7. Answer in 200 words- principles of stratigraphic correlation. 1984
8. Answer in 200 words- facies concept in stratigraphy . 1985
9. Answer in 200 words- code of stratigraphic classification and nomenclature. 1987
10. ‘Delhi system of rocks is characterized by high grade of metamorphism than older Aravallis.’ Discuss. 1989
11. Discuss the recent developments in Dharwarian stratigraphy. 1990
12. Answer in 200 words- life during Vindhyan times. 1991
13. Answer in 200 words- Iron Ore series. 1992
14. Write notes on- a) Bagh Beds, b) Sausar Series. 1992
15. Write notes on- a) Peninsular Gneiss and its relationship with the schist belt. b) Copper Belt Thrust 1993
16. Write brief notes on- a) Delhi Super Group b) Barail Series 1993
17. Give an account of Older Metamorphic Group of Bihar. 1994
18. Describe the stratigraphy and sedimentation characters of the Vindhyan Super Group of rocks. Briefly state its economic importance. 1994
19. Discuss the divisions of stratigraphy and their significance. 1994
20. Write critical explanatory notes on Banded Gneissic Complex and its basement characters. 1995
21. Write critical explanatory notes on Bagh Beds. 1995
22. Write notes on- a) Stratigraphy of the Iron-Ore series of Bihar and Orissa. b) Dharwar Super Group of rocks. 1995
23. Answer in 200 words- Sausar Group. 1996
24. Write detailed notes on- Intertrappeans and their importance in stratigraphy. 1996
25. What is stratigraphy? Discuss the principles of stratigraphic correlation. Also briefly explain the basis of reconstruction of standard stratigraphic scale. 1996
26. Write explanatory notes on- Krol-Tal sequence. 1997
27. Write explanatory notes on- Banded Gneissic Complex. 1998
28. Write stratigraphic notes on- a) Principles of stratigraphic correlation. b) Stratigraphy of the oil-bearing formations of North-Eastern India. 1999
29. Write the standard stratigraphic time-scale beginning from the oldest. Give the most recent classification. 2000
30. Trace the evolutionary history of Eastern Ghat Mobile Belt. 2001
31. Litho-, Bio-, Chrono-, and Magneto- stratigraphic studies suggest different aspects of stratigraphy. Comment. 2002
32. Describe the principles of stratigraphic correlation. 2003

Applications of Geomorphology in Mineral Prospecting, Civil Engineering, Hydrology, Environmental Studies (IAS Questions)

Discuss the role of geologists in engineering projects. 1974
Describe- Geomorphological studies can be applied to prospecting of minerals, civil constructions and environmental studies. 2002
What aspects a geologist should investigate for selecting a tunnel site on a hill slope? 2002
Describe the methods of geological prospecting giving their applications and limitations. Add a note on geobotanical prospecting methods. 2003
Write brief notes on-Legislative measures for environmental protection in India. 2003
Discuss the methods of geophysical prospecting defining their principle and parameters. Describe any one method and its application. 2004
Write notes in 200 words on Rocks as construction material. 2004
Write about the geological investigations of a Dam site. 2004
Discuss the following: a) Water-bearing characteristics of rocks. b) Engineering properties of rocks. 2005
Discuss in 200 words about Classification of Aquifers. 2005
What is understood by Airborne Magnetic Survey? With the help of suitable diagrams, describe its utility as a suitable geophysical exploration method. 2005
Discuss the following: a) Groundwater recharge and various recharging methods. b) Geological investigations for tunnel alignment. 2006
Write about the relationship between Geomorphology and Hydrogeology. 2007
Discuss the following: a) Groundwater chemistry b) Geological investigation for bridges. 2007