Download SGBAU BSc 2019 Summer 6th Sem Geology Question Paper

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B.Sc. (Part-II) Semester—VI Examination

6S : GEOLOGY

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Time : Three Hours] [Maximum Marks : 80

Note :— (1) All questions are compulsory.

(2) Draw a neat diagram wherever necessary.

1. (A) Fill in the blanks :
   1. Sample collected along the line of suitable interval is called ___________.
   2. The __________ of a fault is the angle of inclination of fault plane measured from the vertical.

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   3. A fault which runs parallel to the strike of strata is called __________ fault.
   4. Mineral exploration is the process of finding __________ to mine.
   (B) Choose the correct alternatives :
   1. The total displacement measured along the fault plane is known as :
      1. Throw
      2. Strike
      3. Net-slip

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      4. All of the above
   2. The instrument used to view the aerial photograph in 3D :
      1. Pocket or mirror stereoscope
      2. Goniometer
      3. Rotimeter

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      4. All of the above
   3. When platy of flaky mineral orient themselves parallel to one another, then the texture is called as :
      1. Foliation
      2. Liniation
      3. Lithification

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      4. All of the above
   4. The low angle faults are those which have dip :
      1. less than 45°
      2. less than 10°
      3. more than 45°

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      4. less than 100°
   (C) Answer in one or two sentences :
   1. What is stress ?
   2. What is reverse fault ?
   3. What is exploration ?

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   4. What is aerial photo ?
2. What is stress and strain ? Describe in detail behavior of rock with depth. 12

   OR

   Describe the method of determining strain by using bilateral symmetrical fossils. 12
3. Explain the following :
   1. Normal fault. 4

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   2. Lineation. 4
   3. Causes of faulting. 4

   OR

   1. Recognition of fault in field. 4
   2. Part of fault. 4

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   3. Horst and graben. 4
4. Explain the following
   1. Drift and crab. 4
   2. Mirror stereoscope. 4
   3. Overlap and sidelap. 4

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   OR

   1. Stereo-pairs. 4
   2. Pocket stereoscope. 4
   3. Lithological interpretation of aerial photos. 4

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5. Explain the following :
   1. Application of remote sensing. 4
   2. Shape and size of aerial photo 4
   3. Tone and texture of aerial photo. 4

   OR

   1. Scale of photograph. 4

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   2. Vertical exaggeration 4
   3. Application of photogeology 4
6. Explain the following :
   1. Channel sampling 4
   2. Criteria and guides to ore search. 4

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   3. Coning and quartering. 4

   OR

   1. Car sampling. 4
   2. Chip sampling. 4
   3. Calculation of grade and ore reserves 4

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7. Describe in detail geophysical magnetic method. 12

   OR

   Describe in detail geophysical electrical method. 12

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