Aligarh Muslim University (AMU) 2009 B.Sc Geology Igneous Petro, and Dynamics of Earth - Question Paper

JOO9-2010

B.Sc. (Hons.) (PART-III) EXAMINATION (GEOLOGY)

IGNEOUS PETRO. & DYNAMICS OF EARTH (GL-313)

i*iuAnmim Marirc;    i>urduon: ifsree Hours

Note Answei all questions.

1    What is primary magma? Describe various piucesses which modify (06)

the composition of Ihc primary magma.

2.    Describe crystallisation in Diopside- Anorthitc system and discuss (07) its significance in ignious petrogenesis

OR

2    Write detailed notes on the following:-

(a)    Basic principles of thermodynamics

(b)    Chemical potential

3.    Describe petrogenetic characteristics of basaltic rocks.    (07)

4.    Write an account of internal structure of the earth.    (06)

OR

4'    Write detailed notes on the following:-

(aj Heat How

!'b) Oiogenic and epeirogenic phases

-V    Write an explanatory note on continental drift and mention evidences (07)

in support of it.

Discuss die relationship between magmatism and orogeny.    (07)

OR

6    Write detailed notes on the following:-

(a)    Continental margins

(b)    Natural geohazards.

Attachment: aligarh-muslim-university--amu--2009-b-sc-geology-315-1.pdf

Earning:   Approval pending.