Paper II
Section A

In about 200 words each, explain any three of the following:

Pleochroism in minerals of pyroxene and amphibole groups

Metamorphic zones in medium grade metamorphism of pelitic rocks

Albite-Anorthite silicate system

Primary sedimentary structures

Give the general chemical composition, physical properties and occurrence of sulphide group of minerals

Write explanatory notes on the following in brief:

Bowen's Reaction Principle and magmatic differentiation process

Anatexis and the genesis of granitic rocks

Give the classification of impure carbonate rocks. How are they deposited

Section B

In about 200 words each, write notes on any three of the following:

Metallogenic epochs

Marine mineral resources

Sampling techniques in the assessment of ore reserves

Pollution of ground and surface water

Write notes on the following, in brief:

Structural controls in the formation of mineral deposits

National Mineral Policy of India in relation to globalization and present world order

Describe the methods of geochemical prospecting

Write notes on the following, in brief

Major elements and trace elements in the Earths crust

Mitigation of natural hazards in Himalayan terrain