Common Section-Petrology [GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics]: Questions 1 - 5 of 8

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Question 1

Petrology
Sedimentary and Metamorphic Rocks

Appeared in Year: 2014

Question

MCQ▾

A metamorphic rock consists of pyroxene, plagioclase and quartz and exhibits horn felsic texture. The rock has undergone________ metamorphism. (Carry one mark each)

Choices

Choice (4)Response

a.

Impact

b.

Regional

c.

Cata clastic

d.

Contact

Question 2

Petrology
Sedimentary and Metamorphic Rocks

Appeared in Year: 2014

Question

MCQ▾

A clastic rock dominantly composed of feldspar grain is ________. (Carry one mark each)

Choices

Choice (4)Response

a.

Shale

b.

Arenite

c.

Arkose

d.

Greywacke

Question 3

Petrology
Sedimentary and Metamorphic Rocks

Appeared in Year: 2013

Question

MCQ▾

Which one of the following is the correct statement?

Choices

Choice (4)Response

a.

Accretionary wedge is part of the foreland basin

b.

Dehydration of sub ducting slab induces mantle melting

c.

Spreading ridge is a major zone of metamorphism

d.

Back arc basin represent a convergent Regime

Question 4

Petrology
Mineralogy and Classification of Common Igneous

Appeared in Year: 2014

Question

MCQ▾

The correct chronological order (older to younger) of the following volcanic events is

(Carry one mark each)

P. Rajmahal volcanism

Q. Deccan volcanism

R. Panjal volcanism

S. Malani volcanism

Choices

Choice (4)Response

a.

S, Q, R, P

b.

P, Q, R, S

c.

S, R, Q, P

d.

S, R, P, Q

Question 5

Petrology
Mineralogy and Classification of Common Igneous

Appeared in Year: 2013

Question

MCQ▾

Which one of the following stable isotopic ratios is used for estimation of Paleo-temperature of seawater?

Choices

Choice (4)Response

a.

b.

c.

d.

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