GTU BE 8th Semester 182207 Geological Exploration of Mineral Deposits (Department Elective II) Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?VIII (old) – EXAMINATION ? SUMMER 2018
Subject Code:182207 Date:07/05/2018
Subject Name:Geological Exploration of Mineral Deposits (Department
Elective II)
Time:10:30 AM to 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Write a note on remote sensing. 07
(b) What is exploration? Give the phases of exploration. 07

Q.2 (a) What is boring? Write a note on selection of site for boreholes. 07
(b) What are the applications of gravity methods in mineral exploration? 07

OR
(b) Write about various fishing tools and their uses. 07

Q.3 (a) What are the characteristics and principles of stereoscopic images? 07
(b) What is coring? Explain core ? barrels. 07

OR
Q.3 (a) What are the applications of Ariel photograph in identification of geological
structures?
07
(b) Explain Lithological and stratigraphic guides. 07

Q.4 (a) What are the characteristics of a satellite image? 07
(b) What are different guides to ore location? 07

OR
Q.4 (a) Differentiate between percussive drilling and rotary drilling. 07
(b) Write short note on Underground mapping. 07

Q.5 (a) Explain different methods of geochemical exploration? 07
(b) Explain the merit & demerit of Aerial Photography. 07

OR
Q.5 (a) Differentiate between surface and subsurface exploration. 07
(b) Write a note on directional drilling. 07
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