Wednesday, February 4, 2009

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

3 comments:

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