Geodynamics Paper – 1, Section – C, UPSC geologist exam

1. Paper – 1, Section – C
Geodynamics
1. Discuss in detail the planetary evolution of the
earth. Illustrate your answer with neat sketches.
Add a note on the evolution of the Indian
subcontinent.
2. Epeirogeny
3. Meteorites
4. Continental shield areas
5. Seismic belts of the earth
6. Sea floor spreading
7. Oceanic islands
8. Inlier.
9. Lithosphere and Asthenosphere.
10.Subduction and Obduction.
11.Discuss the seismic character of convergent
plate boundaries with suitable example.
12.List and describe the geological and
paleontological evidences of continental drift.
13.Give an account of volcanism in relation to
plate tectonics.
14.Paired metamorphic belts
15.Benioff zone
16.Deep structure of the Himalayas
17.San Andreas Fault
18.Gravity anomaly of oceanic subduction zone
19.Intra – plate seismicity in India
20.Formation
21.Susnai breccia.
22.Acceretionary Prism.
23.Back-arc Basin.
24.Bluechist facies Rocks.
25.Define a rift zone. Distinguish between active
and passive rifts. Describe the structure and
typical rock association of a continental rift
zone.
26.Discuss the structure of a Divergent plate
boundary. What are the main geochemical
signatures of basalts associated with nid-
oceanic ridges?
27.What is collisional orogeny? Discuss the
structural and lithological character of a
collisional orogenic belt
28.Analyse main feature of Plate Tectonics. Is
there any evidence of it in the Himalayan
region? If so give salient features of the same.
29.What are island arcs? Discuss the evolution of
primary active arcs.
30.Compare the geological and tectonic features
of Peninsular and Extra-peninsular India
31.Characteristics of continental and oceanic
crust.
32.Types of plate boundaries
33.Deep sea trenches.
34.Sea floor spreading
35.Formation and location of Forearc Basin
36.Differences between Main boundary thrust and
Great boundary thrust.
37.Briefly discuss the evolution and significance
of the Narmada rift valley
38.What are ophiolites? Discuss their origin,
tectonic significance and distribution in the
Indian sub-continent.
39.Differentiate between Transform and Trans
current faults. Explain the formation of Pull-
apart basins using diagram.
40.What is neotectonism? Describe three
geomorphic indicators of neotectonic activity.
41.River terraces
42.Active continental margins.
43.How do the earthquakes help us in
understanding the internal structure of the
Earth?
44.Describe the driving mechanism for
lithospheric plate motion, using suitable
illustrations.
45.Paleomagnetism
46.Submarine volcanism and it geological impact
47.Characteristic features of island arc
48.Pull-apart basins
49.Geophysical anomalies in mid oceanic ridges
50.Concept of geodesy and crustal movement
51.Gravity anomaly of MOR
52.Describe in detail the thickness of various
layers of the Earth’s interior, their composition
and physical properties with neat sketch.

2. 53.Describe the seismic belts and seismic zones of
Indian Subcontinent.
54.Describe paleomagnetism and its application
for determining paleo-position.
55.Discuss the theory and concept of plate
tectonics with neat sketches.