M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Geoinformatics
INTRODUCTION TO GEOLOGY
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Attempt totally five questions.
All Questions carry equal marks.
Question no.1 is compulsory
Attempt any two questions from Q.NO.2, 3 and 4
Attempt any two questions from Q.No.5, 6 and 7
Q.1 Choose the alternatives given below. 08
Kimberlite indicates the possibility of the presence of which of the following?
Rubies Diamonds
Sapphires Opals
Which out of the following minerals is formed by the decomposition of
surface rocks and leaves a residual mass of weathered material?
Gold Bauxite
Zinc Coal
Ore minerals of iron is
Siderite Limonite
Magnetite All of these
Concentrations of copper mineralization have been found in veins around
the granite intrusion on the geological map. Which process is most likely
responsible for the copper mineralization?
Evaporation Assimilation
Placer deposition Hydrothermal deposition
The planer surface of fracture along which displacement of the blocks takes
place is known as
Joint Fracture
Fault None of the above
An igneous structure that cuts across the bedding plane is called as
Laccolith Phacolith
Dyke Sill
The mineral, quartz, is an example of
A single-chain silicate A framework silicate
A sheet silicate A double-chain silicate
Which of the following is NOT considered a physical property of minerals?
Hardness Luster
Streak Silicate structure
Stresses produce strains in Earth materials. What are strains?
Distortions or changes in shapes Force
Folds Faults
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SLR-MN-485
10) Repetition of beds on a geological map may be due to
Folding Weathering
Unconformity Disconformity
11) An anticline is a structure in which:
The oldest rock layers are located at the top of the structure
The rock layers dip away from the axis of the structure.
Rock layers are down warped
All of these
12) At convergent plate boundaries one would expect to find
Folds Faults
Folds and Faults Neither Fold and Faults
13) Smiths test is done for
Durability Frost and fire resistance
Density Porosity
14) Sorting of sediments from coarse to fine grained sediments gives rise to

Laminations Ripple marks
Current bedding Graded bedding
Q.2 Describe in brief agents and kinds of metamorphism and structure of
metamorphic rocks.
14
Q.3 Illustrate a role of engineering geology in civil construction. 14
Q.4 Explain in brief the parts of fault and the classification of faults. 14
Q.5 Write short notes on: 14
Unconformities and Joints
Rock cycle
Q.6 Write briefly on the following. 14
Geological consideration for construction of Tunnel.
Engineering properties of rocks.
Q.7 Bring out the salient aspects of the following. 14
Physical properties of minerals.
Lead and Zinc deposits in India.