Mohan Lal Sukhadia University (MLSU) 2001 GEOLOGY -II (Geoexploration and Principles of Mining) - Question Paper

Final Year exam of the
Three -Year Degree Course, 2001
(Faculty of Science)
GEOLOGY Paper-II (Geoexploration and Principles of Mining)
Time – 3 hours
Maximum Marks-50
The candidates are requested to attempt 5 ques. in all taking
at lowest 1 ques. from every unit.
All ques. carry equal marks.

UNIT-I
1. What is geoexploration? provide a brief account on different goelogical techniques applied for mineral exploration. 2+8

2. What do you understand by mining lease? Write the procedure for obtaining mining lease for talc. 2+8

UNIT-II

3. elaborate the various methods of drilling? define diamond drilling method in detail. 2+8

4. Write detailed notes on any 2 of the following:- 5*2
(a) Core-logging.
(b) Selection of sites for drilling.
(c) Deviation of bore-holes.

UNIT-III
5. What is sampling? define channel sampling in detail. 2+8

6. Write notes on any 2 of the following:- 5*2
(a) Calculating of tonnage of ores.
(b) computation of avg. grade.
(c) computation of cut-off grade.

UNIT-IV

7. Write notes on any 2 of the following:- 5*2
(a) Path-finder elements
(b) Background values.
(c) Dispersion trends.

8. Write detailed notes on any 2 of the subsequent :- 5*2
(a) Magnetic methods of prospecting.
(b) Gravity methods of prospecting.
(c) Principles of geophysical prospecting.

UNIT-V
9. discuss the subsequent pair of terms with suitable sketches:- 2.5+2.5+2.5+2.5
(a) Adit and Tunnel.
(b) Drive and Cross-cut.
(c) Raise and Winze.
(d) Hanging wall and Foot wall.

10. (a) discuss the terms bench height, bench width and bench slope with suitable sketches. 3
(b) Write the advantages and disadvantages of open-cast mining.4
(c) explain the conditions necessary for underground mining.3

Earning:   Approval pending.