Paper-II

Section A
1. In about 150 words each, answer any four of the following:
a. Dispersion in minerals
b. International systems of crystallographic notation
c. Heavy minerals studies and their significance
d. Mineral phase rule and its applicability
e. Crystallization of albite-anorthite system

2. Describe the following:
a. Hexagonal system and its symmetry classes
b. Chemical composition and Physical properties of five sulphide ore minerals
c. Physical and Optical properties and Chemical composition of alkali pyroxenes
d. Crystal defects and x-ray crystallography

3. Explain the following:
a. Petrography and petrogenesis of Anorthosite
b. Petrogenetic significance of any five textures of igneous rocks
c. Migmatites and their Petrogenesis
d. Metamorphic facies of contact metamorphism

4. Write explanatory notes on the following:
a. Sedimentary facies and their significance
b. Petrography of feldspathic sandstones
c. Okadas classification of sandstones
d. Sedimentation pattern of Siwalik Basin
Section B
5. Explain any four of the following in about 150 words each:
a. Hydrothermal cavity filling process and character of ore deposits formed by such a process
b. Geobotanical prospecting method
c. Coastal erosion as natural hazard and its preventive measures
d. Crystal Chemistry and its role in distribution of elements
e. Geology of Gold deposits of Kolar Gold field, Karnataka
6. Write explanatory notes on the following:
a. Genetic classification of ore deposits
b. Textures and structures of ores
c. Geology and Potentials of oil and gas deposits of Assam and Gujarat states
d. Placer minerals and their process of formation
7. Describe the following:
a. Surface mining methods
b. Geophysical logging methods
c. Sulphide ore beneficiation by froth flotation process
d. Geological prospecting methods of ores
8. Give an account of the following:
a. Mineralogy of meteorites and their types
b. Entropy and Enthalpy
c. Landslides-their causes and mitigation measures
d. Legislative measures for environment protection in India