Aligarh Muslim University (AMU) 2011 B.Sc Geology Igneous petrology and Dynamics of Earth - Question Paper

Duration: Three Hours

Note: Answer all questions.

Jf. Give a detailed account of mineralogy and Chemistry of the Mantle.    [7]

OR

1Give a detailed account of IUGS classification scheme of plutonic rocks.

2.    Describe the crystallization of Albite Anorthite system. Discuss its significance in [7] igneous petrogenesis.

3.    Elaborate the textural and chemical characteristics of anorthosites.    [7]

OR

3'. Write detailed notes on the following:

(i)    Peridotite

(ii)    Granite

4.    Give a detailed account of the geochemical evolution of the Earth.    [6]

OR

4'. Write detailed notes on:

(i)    Isostatic equilibrium

(ii)    Paleomagnetism and its applications in solving geological problems.

5.    Describe the theory of plate tectonics with the help of suitable schematic diagrams [7] and examples.

6.    Write detailed notes on the following:    [6]

(i)    Continental Rifts

(ii)    Marginal Basins.

Attachment: aligarh-muslim-university--amu--2011-b-sc-geology-251-1.pdf

Earning:   Approval pending.