IFS-2000: Geology
Paper-II
Section A

1. In about 150 words each, give an account of any four of the following:

Pleochroism and its determination

Stereographic projection and its use in crystallography

Chemical and optical properties of amphiboles

Magmatic differentiation

Petrogenesis of Granites

2. Briefly describe the following:

Symmetry classes of Monoclinic System

Structural classification of Silicates

Optical accessories and their utility

3. Give an account of the following in brief:

Chemical and optical properties of Felspathoid group minerals

Forms and structures of Igneous rocks

Nature and composition of Magmas

4. Describe the course of crystallisation of Common Basaltic Magma with the help of neat diagrams

Section B

5. In about 150 words each, give an account of any four of the following:

Important textures of sedimentary rocks and their significance

Concept of Grade, Zone and Facies in Metamorphism

Characteristic features of cavity filling mineral deposits with examples

Principal methods of underground mining

Ground Water Provinces of India

6. Briefly give an account of the following:

Environments of sediments deposition

Types of Metamorphism and their products

Merits and demerits of Lindgren's classification of mineral deposits

7. Describe the following in brief:

Process of oxidation and resulting mineral deposits

Petroleum deposits of Western India

Major geological features of Manganese deposits of India

8. Describe the following, as brief as possible:

Methods of prospecting mineral deposits

Types of soils and their distribution with reference to India

Methods of conservation of minerals