GEOLOGY – 2002, PAPER – I

Time Allowed  : Three Hours    Maximum Marks: 200 

 

Candidates should attempt Questions 1 and 5 which are compulsory, and any THREE of the remaining questions selecting at least ONE question from each Section.

SECTION A 

1.       Write critical notes, within 150 words each, on any Four of the following:

          (A)   Island arcs

          (B)   Seismic Zones of India

          (C)   Causes of instability of hill slopes

          (D)   Geological uses of aerial photographs

          (E)    Superposed deformation

2.       Enumerate the various methods of determining the age of the Earth. Give an account of the age determination of the Earth on the basis of radioactivity.

3.       (a) Describe the application of geomorphology in mineral prospecting and for search of building and construction materials.

                    (b) Discuss briefly the geographic Information System and its applications.

4.       What are faults? Discuss in detail the classification of faults based on slip separation.

SECTION B

5.       Write critical notes, within 150 words each, on any Four of the following:

(a)    Uses of fossils

(b)   Age of the panjal Volcanic Succession

(c)    Permeability and transmissivity

(d)   Evolution of the Himalayas

(e)   Selection of a dam site in hard rocks

6.       With the help of neat sketches describe the morphology of brachiopods. Give four examples of fossil brachiopods from India mentioning their stratigraphic range.

7.       (A) Discuss the problems associated with the Pliocene – Pleistocene Bounary in India.

(b) Write a note on lithostratigraphic classification of rocks. Describe the basis of classification of Super group Croup and Formation.

8.       (a) What are the various types of confined aquifers? Illustrate your answer with suitable examples and diagrams.

(b) What are landslides? Describe their classification and causes.