Master of Science II (Applied Geology)
Examination: Oct Nov 2016 Semester III (Old CGPA)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SE
53
Friday
18/11/2016
02:30 P.M
to
05:00 P.M
Mineral Exploration
C
X
Instructions: Answer any five questions.
All questions carry equal marks.
Q.1 is compulsory.
Attempt any two from Q.2, 3 4
Attempt any two from Q.5, 6 7
Total Marks:70
Q.1 Fill in the blanks. 14
Which of the following a rotary drilling cannot access?
Type of the rock Mineralogy of the rock
Texture of the rock All of the above
Which of the following is the common method used for sampling of placer
deposits?
Churn drilling Auger drilling
Rotary drilling Jet
In mafic igneous rock the most common geochemical association is
Si-k-Na Fe-Mg-Ti
Ag-Au-As Zn-Pb-Ba-F-Sr
Geochemical anomalies are termed significant when
They are related to the ore deposit
They are unrelated to ore deposit
Confirm ore deposit
None of the above
Mercury vapor sampling is used as a guide to
Metallic ore deposit Note metallic ore deposit
Sulphide ore deposit Carbonate ore deposit
Find the odd match the following
Chromite- Pegmetite Bauxite- Khondalite
Gold-Amphibolite Diamond-Granite
The random collection of broken chip from the exposed surface of an outcrop is

Grab sample Groove sample
Bulk sample Channel sample
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Magnetic materials having extremely high magnetic susceptibility are described
as
Ferro magnetic Para magnetic
Di magnetic Para magnetic
Which of the following correction is not applied to gravity data?
Free-air correction Diurnal correction
Elevation correction Bouger correction
10) In terms of electric conductivity granites can be described as
Good conductors Bad conductors
Moderate conductors None of these
11) The self potential or spontaneous polarization method is most suitable for
the exploration of
Sulphides Sulphates
Oxides Carbonates
12) The P waves velocities are highest in
Air Water
Sand Granite
13) The corrections for the case of a gravity station at an elevation above sea
level termed as
Bouger Free air
Elevation None
14) Scintillation counter is used for
Seismic survey Electrical survey
Radioactive survey Magnetic survey
Q.2 Give a detailed account of various productive plutons for deposits from south India. 14
Q.3 State the principle of Magnetic method for prospecting the ore deposits. Add a note
on corrections related to magnetic anomaly data.
14
Q.4 Write a full note on Biogeochemical and Geobotanical indicators. 14
Q.5 Write short note on: 14
Association of elements and pathfinders
Geological criteria for prospecting
Q.6 Discuss in brief: 14
Corrections applied for gravity survey
Electrical resistivity
Q.7 Write short notes on: 14
Types of sampling
Sonic Logging and caliper logging