CS (MAIN) EXAM, 2010

GEOLOGY
Paper-I
f Time Allowed · Three Hours I I Maximum Marks 300
INSTRUCTIONS
Each question is printed both in Hindi and
in English.
Answers must be written in the medium
specified in the Admission Certifi.cate issued
to you, which must be stated clearly an the
cover of the answer-book in the space
provided for the purpose. No marks will be
given for the answers written in. a medium
other than that speci.fied in the Admission
Certificate.
Candidates should attempt Question Nos. 2
and 5 which are compulsory, and any three
of the remaining questions selecting at least
one question from each Section.
The number of marks carried by each
question is indicated at the end of the
question.
Draw diagrams, wherever necessary.


Section-A
1.. Write critical notes in around 150 words for above topic
each, on the following 15x4=60
Apparent polar-wandering path
Mylonites
Indexing of topographic map of India
Application of microfossils in stratigraphic correlation, palaeoclimatic and palaeogeographic analyses
.
2. Explain the following 30x2==60
The relation between depth and age of
the oceanic crust near midoceanic
ridges
Overthrust, Klippe and Fenster with the
help of labelled diagrams

3. Discuss the following 30x2=60
Geometrical parameters of joints
measured during a survey of rock joints2a
Morphotectonic elements, seismicity,
heat flow and gravity anomaly patterns
of an island-arc type subduction
boundary

• 4. Give accounts of 30x2=60
The present, status of the theory of
Continental Drift in the light of
geological and geophysical evidence
Geological significance of radial
drainage, rectangular drainage and
sinkholes

Section-B
5. Write critical notes, in around
each, on the following
150 words
15x4=60
Coiling direction(s) in planktonic foraminifers and their climatic significance
Precambrian banded iron formations
Lower Gondwana flora
Soil groups of India
•

6. Describe the following 30x2=60
Evolution of Proboscidea and their record in the Siwalik Group
The methods of separation of foraminifers and calcareous nannoplanktons from calcareous rocks

7. Comment on the following 30x2=60
The lithostratigraphy, flora, fauna and
economic importance of a sedimentary
basin of India which has Palaeozoic
glacial unit
The cause, effect and petrology activity of Cretaceous igneous Peninsular India

8. Write short notes, of around 200 words each,
on the following 20x3=60
The salient features of groundwater exploration in gneissic terrains
Data products of remote-sensing satellites
Different methods of morphometric analysis of river basins