Geology of India — DU B.Sc. (Hons.) Geology Previous Year Question Papers

2. Answer any five questions. 1. Discuss stratigraphic classification and tectonic setting of the Aravalli Craton with suitable sketch. Comment on the mineral resources of Aravalli Craton. 2. Answer any three of the followings : (a) Tools of paleogeographic reconstruction (b) Greenhouse and icehouse periods on the Earth (c) Triassic succession of Spiti (d) Precambrian-Cambrian transition 3. Discuss merits and limitations of various methods of stratigraphic analysis and comment on most suitable methods for stratigraphic analysis according to you with justification. Define lithostratigraphic units with suitable examples from India. 4. Discuss the Siwalik Group stratigraphy, depositional environment and its fossil record. Comment on the paleogeographic setting of India during deposition of Siwalik successions. 5. Comment on the diagnostic characters of Proterozoic basins. Explain the tectonic evolution, stratigraphy and depositional environments of the Cuddapah 6. Describe Deccan Trap stratigraphy, comment of the significance of inter-trappeans sediments. Discuss the mode of emplacement of continental flood basalts (CFB) and comment on the effect of Deccan volcanism on K/Pg mass extinction. 7. Write short notes on three of the followings : (a) Evolution of Gondwana flora (b) Tectonic evolution of the Singhbhum Craton (c) Subdivisions of Cenozoic (d) Global Stratotype Section and Point (GSSP)