M.Sc. (Semester (CBCS) Examination Mar/Apr-2018
Applied Geology
ECONOMIC GEOLOGY
Time: 2½ Hours
Max. Marks: 70
Instructions: Answers any five questions. All questions carry equal marks. Question 1 is compulsory. Answer any two questions from Q.2, 3 4. Answer any two questions from Q.5, 6 7. Draw neat and labeled diagrams wherever necessary.
Q.1
Fill in the blanks with correct answer:-
14
Primary ore of zinc is
Chalcopyrite
Hematite
Galena
Sphalerite
Method of mining for placer gold is
Open cast
Panning
Stopping
Underground
Hutti is famous for mine.
Gold
Copper

Zinc
Iron
Supergene Sulphide enrichment zone is found
above water table
below water table
hear ground surface
in oxidizing zone
Ladder vein structure commonly is shown by deposits.
Sedimentary
Cavity filled
Evaporates
Magmatic segregation
Diamond in kimberlite are good example of deposits
Disseminated
Segregated
Injected
Pegmatitic
Gossans is a residue.
Ferruginous
Siliceous
Calcareous
Organic
Banded manganese ores are generally
Epigenetic
Syngenetic
S
Both a b
None
Zawar mine is famous for deposits.
Phosphorite
Zinc
O
Copper
Iron
10) ore deposits later in origin than host rock.
Syngenetic
Telethermal
Epithermal
Epigenetic
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SLR-UB-33
11) Khetri and Singhbhum copper mainly occur as
Cuprite
Chalcopyrite
Chalcocite
Covellite
12) Agnigundala ore deposit located in state.
Andhra Pradesh
Orissa
Kerala
Punjab
13) Wolframite is an ore of
Iron
Tungsten
Tin
Copper
14) Magnetite and Hematites are on ore of
Cu
Fe
Mn
Pb
Q.2
Explain in detail Residual Mechanical concentration.
14
Q.3
Explain Wall rock alteration and discuss its types
14
Q.4
Write a full note on supergene sulphide Enrichment?
14
Q.5
Write note
14
Early magmatic deposits
National mineral policy
Q.6
Write in short:-
14
Paragenesis and zoning of ore
Hydrothermal deposits
Q.7
Explain in short:-
14
Khetri copper deposits
Ore textures