APPLIED GEOLOGY (Paper – IX),M.Sc. (Part – II) (Semester – III),Solapur University Question Paper,2014 Question Paper

Solapur University Question Paper
M.Sc. (Part – II) (Semester – III) Examination, 2014
APPLIED GEOLOGY (Paper – IX)
Structural Geology and Geotectonics
Day and Date : Monday, 21-4-2014 Max. Marks : 70
Time : 3.00 p.m. to 6.00 p.m.
Instructions : 1) Question number I is compulsory.
2) Answer any two questions from Section – A.
3) Answer any two questions from Section – B.
4) All questions carry equal marks.
5) Draw neat, labelled diagrams or sketches wherever
necessary.
I. Select the correct option from the choices given below :
1) ________________ are formed due to orogenesis.
a) Block mountains b) Fold mountains
c) Rift valleys d) Cratons
2) The strike of ________________ is oblique to strike and dip of bedding plane
of the rocks involved.
a) Bedding joints b) Strike joints
c) Dip joints d) Diagonal joints
3) At greater depth in lithosphere, the rocks are subjected to equal force from
all sides known as ________________ pressure.
a) Hydrostatic b) Lithostatic
c) Atmospheric d) Directed
4) The ________________ states that stress is proportional to strain.
a) Hooke’s Law b) Newton’s Law
c) Young’s Modulus d) Bulk Modulus
SLR-VE – 9 -2-
5) The value of Poisson’s ratio falls between ________________
a) – 1 and – 2 b) – 2
1
 and 1 c) – 1 and + 2
1
d) –1 and + 2
6) ________________ substances undergo extensive plastic deformation before
rupture.
a) Ductile b) Brittle c) Amorphous d) Solid
7) ________________ are rocks consisting of parallely assigned finely crushed
particles of rocks and minerals.
a) Fault breccia b) Mylonites
c) Gneisses d) Hornfels
8) Shear fractures make an angle of ________________ degrees with the
greatest principle stress axis (σ1)
a) 0 b) 90
c) Less than 45 d) None of the above options
9) ________________ in orogenic belts marks the closure of continents after
their collision.
a) Basalts b) Ophiolites
c) Granites d) Flaser rocks
10) Basaltic rocks of identical age are found on either sides of ______________
a) convergent plate boundaries b) mid-oceanic ridges
c) subduction zones d) deep oceanic trenches
11) The ________________ boundary between continental plates has given rise
to the Himalayan mountains.
a) divergent b) convergent
c) transform fault d) none of given options
12) ________________ studies on ocean floor provided reliable evidence to the
concept of continental drift.
a) Palaeomagnetic b) Radiometric
c) Structural geological d) Topographical
-3- SLR-VE – 9
13) Hot spots are formed as a result of ________________
a) Movements in the earths core b) Descending convection currents
c) Ascending convection currents d) Isostatic adjustments in the crust
14) The phanerozoic continental growth occurs in ________________
a) rift setting
b) intraplate setting
c) arc setting along active plate margins
d) continental collision setting
SECTION – A
Answer any two questions from this Section :
II. What are joints ? Give genetic classification of joints and their significance in
deformation structures.
III. What is foliation ? Discuss the morphology of different types of foliation.
IV. What is plate tectonics ? Discuss the concept in detail.
SECTION – B
Answer any two questions from this Section :
V. Write notes on :
a) Tripple junction
b) Benioff zone.
VI. Describe the following :
a) Continental and oceanic crust.
b) Concept of deformation.
VII. Explain the following :
a) Seafloor spreading
b) Mohr circle.
_____________________

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