Master of Science I (Applied Geology)Examination: Oct Nov
2016 Semester II (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SE
40
Thursday
17/11/2016
10.30 AM
to
01.00 PM
Economic Geology
C
V
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
Draw neat and labeled diagrams wherever necessary.
Total Marks:70
Q.1 Choose correct alternative among the following: 14
The well known chromite deposits occur in
Ultramafic rocks Acidic rocks
Sedimentary rocks None of the above
The main source of diamonds is Kurnool formation is from
Banganpalli conglomerate Paniam sandstones
Jamalamadugu kimberlites Panna sandstone
Placer deposits are formed as a result of
Liquid segregation Mechanical concenetration
Metasomatic replacement Supergene sulphide enrichment
Malachite is hydroxyl carbonate of
Zinc Copper
Iron Lead
In Maharashtra chromite ore occurrence is known from
Kankauli-Vagda Kolaba
Randhanagari None of the above
Which of the following represent magmatic dissemination?
Chromite in ultramafics Diamonds in kimberlite
Asbestos in serpentine None of the above
The manganese deposits of Maharashtra lie in Nagpur and Bhandara districts
are of
Gondite Charnockite
Kodurite Khondalite
Chromite deposits of Sitampundi are associated with
Anorthosite Peridotite
Syenite All the above
Malanjkhand is famous for biggest open cast mine of India of
Sponge iron Lignite
Uranium Copper
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10)A vertical dyke showing transverse veins is known as
Saddle reef Ladder vein
Stockwork Vug
11) Uranium deposits of Jaduguda are of
Magmatic origin Sedimentary origin
Metamorphic origin Hydrothermal origin
12) Hutti gold deposits occurring in south India are associated with
Greenstone Kimberlites
Closepet granite Kondalites
13) Which of the geological control plays an important role for formation of
diamonds.
Lithological Structural
Climatic All of the above
14) Find the odd pair
Cr-ultrabasics Sn-granite
Co-pegmatite Illemnite placer
Q.2 Write a full account on hydrothermal ore deposits. 14
Q.3 Describe various processes of ore formation with suitable examples. 14
Q.4 Give in brief the mineral deposits associated with metallogenic epochs and
province of south India.
14
Q.5 Discuss in briefly: 14
Refractory minerals
Super gene Sulphide enrichment
Q.6 Explain the following: 14
Lead and zinc deposits of Zawar
Residual laterite deposits
Q.7 Discuss in short of the following 14
Placer deposits
Strata bound and stratiform