1.
Differentiate between raster and vector data. Discuss their utility in Geology.

Discuss the formation of four different types of sand dunes with relation to sand supply, vegetation and wind.

Differentiate between glacial deposits and fluvial deposits. Discuss three examples each of glacial depositional landforms and fluvial depositional landforms. 5

In a toposheet 45 D-11 50,000 scale) the distance between two places is 10 cm. What is the actual distance on ground What are the other toposheets that occur to W of the above number toposheet Show in a diagram.


In a horizontal topography, two beds A and B are involved in deformation. Describe the details about the structure and sequence of their development.
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Discuss the seismic character of convergent plate boundaries with suitable example.


Karewa Group

Geological Time Scale


Biocoenose and thanatocoenose fossil assemblages

Ecology of diatoms









Q2. Define 'resolution'. Discuss the different types of resolutions in satellite remote sensing. Can we have all the resolutions very high/fine in a particular satellite data What is resolution trade-off Discuss the spatial and temporal resolutions suitable/optimum for geological study, climatic study and geological hazard study.

Write short notes on the following

Shutter Ridges

Fault-line Scarp

Horst and Graben

Triangular Facet

Pull-apart Basin

Q3. Discuss the image elements and geotechnical elements for visual classification of satellite images.


Discuss the difference among multispectral, hyperspectral and thermal images and their advantages. Give one example each of these three types of satellite images.

What is a glacier and where does it form Discuss how glaciers move. Describe four pre-glacial landforms and four post-glacial landforms.





Q4. Write about the buckling mechanism of folding. How does it explain the association of folds of different wavelength and amplitude?

Draw 3Ddiagrams for normal,thrust and strike slip faults and show the orientation of σ1, σ2 and σ3 responsible for generation of faults.

Q5. In a progressive deformation, write the significance of slaty cleavage, crenulation cleavage,boudinaged fold and folded boudin.


Write about the different forms of salt diapirs and the structures associated with these.


In a storeoplot, the poles of axial plane schistosity of F1 folds lie on a girdle. When the F fold axes are plotted in the same diagram, they lie very close to the pole of the girdle. Show the plot and interpret the structure.


Q6.

Aceretionary Prism

Baek-arcBasin

Blueschist Facies Rocks

Define a rift zone. Distinguish betweenactive and passive rifts. Describe



Q7.(a) What is a collisional orogeny Discuss the structural and lithological characters of a collisional orogenic belt.

Discuss the structure of a 'divergent plate boundary'. What are the main geochemical signatures of basalts associated with mid-oceanic ridges

Compare and contrast the following:


Lithosphere and Astbenosphere

Subduction andObduction






Q8. Outline the palaeogeography of India near the Precambrian/Cambrian boundary.

Discuss the salient events of the fragmentation of the Gondwanaland during the Permian-Cretaceous interval.


Q9.. Write brief notes on the following:

India-Asia collision and.the rise of the Himalayas

Maximum Flooding Surface CMFS)in sequence stratigraphy

Radiometric dating of rocks


QlO. Describe the bathymetric distribution of organisms.

Throw light in briefon the evolution of vertebrate life through the ages.

Qll. Describe oculo-genital rings ofechinoids.

Differentiatebetweenthe Pelecypoda and Brachiopoda.

Explain macroevolutionwith examclas.