Master of Science I (Applied Geology) Examination: Oct Nov
2016 Semester I (Old CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SE
37
Friday
18/11/2016
10.30 AM
to
01.00 PM
Igneous and
Metamorphic Petrology
C
II
Instructions: Answer five questions
All questions carry equal marks
Question no. 1 is compulsory
Answer any two questions from Q. No. 2 3 4
Attempt any two questions from Q. No. 5 7
Draw neat and labeled diagrams where necessary
Total Marks: 70
Q.1 Choose correct answer for the following 14
The presence of omphacite garnet in the metamorphic rock is indicative of
Greenschist facies Greenstone
Granulite grade Eclogite facies
Khondalite of Eastern Ghats belong to
Zeolite facies Amphibolite facies
Blue delist facies None
The index mineral 'Stilpomelane' is for which facies
Eclogite Greenschist
Hornfels Buchite
Find the odd pair from the following
Hampi temple closepet granite Taj Mahal Makrana marble
Naldurg Basalts Gate way of India Gabbro
The concept of metamorphic facies was first proposed by
Harker Bowen
Eskola Turner
Which of the following rocks has hypersthene as characteristic mineral
Charnockite Hornfels
Carbonatites Blue schist
Sieve structure is noticed in the rocks of
Blue schist facies Eclogite facies
Hornfels facies None
The line joining equal degree of metamorphism is synonymous to
isograde isotope
isotype isobar
Page 1 of 2
The world famous diamond deposits located in Republic of South
Africa are associated with
eclogite kimberlite
granite none u
10) The silica percentage is basic igneous rocks is
45% 62%
52% 66% 45%
11) Igneous rocks exhibiting anhedral minerals in equal size are
Allotromorphic Hypidiomorphic
Panidiomorphic None
12) The generation of calc alkaline magmas are at
Aceanic rift Sub duction zone
Continental rift None
13) Find the odd one out
Eclogite Andesite
Amphibolite Marble
14) The MORB are characterized by basalts of
Tholeite Carbonatite
Alkaline All the above
Q.2 Describe the role of water vapour pressure in the crystallization of albite
orthoclase system and state its significance
Q.3 Discuss khondalite and charnockite rocks of eastern ghats. Add a note on
mineralogy of them with suitable ACF diagrams.
Q.4 Describe how calc alkaline magmatism originates with respect to plate
boundaries and also the metamorphism associated with convergent plate
margins
Q.5 Write short note on the following
Barrowian zones of metamorphism
Fenitization
Q.6 Bring out the salient aspects on the following
S type and I type granite
Burial metamorphism
Q.7 Write briefly on the following
Deccan basalts
Index minerals for metamorphic facies