Paper II
Section A

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

Space lattices

Uniaxial and Biaxial Indicatrix

Types of magmas and their composition

Digenesis and Lithification

Give the chemical composition and optical properties of Felspathoid group of minerals. Name the rocks containing the minerals of this group.

Enumerate the generation and evolution of different magmas.

Describe the different environments of sediments deposition. Give examples of rocks formed in each of them.

Section B

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

ACE diagrams and their utility

Skarns and related mineral deposits

Conservation of minerals

Shrinkage and sublevel stoping

Give an account of the petroleum deposits of western India with reference to their geological setting, mode of occurrence, nature of crude oil and their potentiality.

What are chamockites and how do they originate? Give salient features of Indian charnockites.

Write explanatory notes on the following in brief:

Application of aerial photographs in geological studies

Exploration techniques applied to mineral deposits

Types of aquifers