UPSC Geology 2022

Answer the following questions in about 150 words each: (a) Explain 'convergent plate boundary' with suitable examples. Add a note about the characteristics of earthquakes at the…

(a) Discuss in detail the notion of 'continental drift' and the theories of plate tectonics as they relate to palaeogeography. (20 marks) (b) Explain the principles of aerial phot…

(a) Describe the geomorphic landforms produced by structural, weathering, erosional and depositional processes. Give four examples of each process. (20 marks) (b) Illustrate the d…

(a) Illustrate the common brittle-ductile shear zone structures. Using the stress ellipsoid, deduce the mechanism of faults. (20 marks) (b) Describe the various platforms and sens…

Answer the following questions in about 150 words each: (a) Diagrammatically explain the types of biozonation. (10 marks) (b) Define index fossil and discuss its significance. Giv…

(a) Elucidate the evolutionary trend of Hominidae with examples of Indian occurrence. (20 marks) (b) Describe the Palaeozoic sequence of Kashmir Valley with fossils content. (15 m…

(a) Describe the stratigraphy of Singhbhum Craton and discuss its economic significance. (20 marks) (b) Discuss the effects on dead organism after burial. (15 marks) (c) Describe…

(a) Give an account of interpretation of groundwater chemical quality through various graphic representation methods. (20 marks) (b) Describe the Lower Gondwana flora of India and…

Answer the following in about 150 words each: (a) How are Miller Indices of a crystal face calculated ? Calculate Miller Indices of following two crystal faces : (i) A face inters…

(a) Describe the crystallographic, physical, optical and chemical properties of garnet group of minerals. Give examples of rocks in which each species of garnet occurs as an essen…

(a) What are different types of metamorphism and what are their controlling factors ? State characteristic mineral assemblages which appear under different facies during regional…

(a) What do you understand by sedimentary depositional environment ? Describe fluvial environment in detail. (20 marks) (b) Explain different processes of diagenesis in clastic se…

Answer the following in about 150 words each: (a) What are the major changes in the process of formation of uranium deposits through geological time ? (10 marks) (b) Describe the…

(a) Explain the processes by which sediment hosted Pb-Zn deposits are formed. Describe the geological setting of Agucha and Zawar Pb-Zn deposits in the Aravalli craton. (20 marks)…

(a) In a bauxite exploration, 12 vertical boreholes were drilled in square grid pattern along 3 E-W traverses, at an interval of 100 m. Thickness of bauxite and assay value determ…

(a) Give the classification of landslides and discuss the causes of landslide. (20 marks) (b) What is the structure of the Earth ? Is the Earth compositionally homogeneous or comp…