Paper-II
Section-A
(i)
Mineralogy
Classification of crystals into
systems and classes of symmetry. International system of crystallographic
notation. Use of projection diagrams to represent crystal symmetry. Crystal
defects. Elements of X-ray crystallography.
Petrological microscope and
accessories. Optical properties of common rock forming minerals. Pleochroism,
extinction angle, double refraction, birefringence, twinning and dispersion in
minerals.
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Physical and chemical characters of
rock forming slilicate mineral groups. Structural classification of silicates.
Common minerals of igneous and metamorphic rocks. Minerals of the carbonate,
phosphate, sulphide and halide groups.
(ii)
Igneous ad Metamorphic Petrology
Generation and crystallisation of
magma. Crystallisation of albite-anorthite, diopside-anorthite and
diopside-wollastonite-silica systems. Reaction principle., Magmatic
differentation and assimilation. Petrogenetic significance of the textures and
structrues of igneous rocks. Petrography and petrogenesis of granite, syenite,
diorite, basic and ultrabasic groups, charnockite, anorthosite and alkaline
rocks. Carbonatites. Deccan volcanic province.
Types and agents of metamporphism.
Metamporphic grdes and zones. Phase rule. Facies of regional and contact
metamorphism. ACF and AKF diagrams. Textures and structures of metamporphic
rocks. Metamorphism of arenaceous, argillaceous and basic rocks. Minerals
assemblages Retrograde metamorphism. Metasomatism and granitisation, migmatites,
Granulite terrains of India.
(iii)
Sedimentology
Sedimentary rocks: Processes of
formation. diagenesis and lithification. Properties of sediments. Clastic and
non-clastic rocks-their classification, petrography and depositional
environment. Sedimentary facies and provenance. Sedimentary structures and their
significance. Heavy minerals and their significance. Sedminetary basins of
India.
Section-B
(iv)
Economic Geology
Ore, ore minerals and gangue, tenor
of ore, classification of ore deposits. Process of formation of minerals
deposits. Controls of ore localisation. Ore textures and structures.
Metallogenic epochs and provinces. Geology of the important Indian deposits of
aluminium, chromium, copper, gold, iron, lead zinc, manganese, titanium, uranium
and thorium and industrial minerals. Deposits of coal and petroleum in India.
National Mineral Policy. Conservation and utilization of mineral resources.
Marine mineral resources and Law of Sea.
(v)
Mining Geology
Methods of prospecting-geological,
geophysical, geochemical and geobotanical. Techniques of sampling. Estimation of
reserves or ore. Mehtods of exploration and mining metallic ores, industrial
minerals and marine mineral resources. Mineral beneficiation and ore dressing.
(vi)
Geochemistry and Environmental Geology
Cosmic abundance of elements.
Composition of the planets and meteorites. Structure and compostion of earth and
distribution of elements. Trace elements. Elements of crystal chemistry-types of
chemical bonds, coordination number. Isolmorphism and polymorphism. Elementary
thermodynamics.
Natural hazards-floods, landslides,
coastal erosion, earthquakes and volcanic activity and mitigation. Environmental
impact of urbanization, open cast mining, industrial and radioactive waste
disposal, use of fertilizers, dumping of mine waste and fly-ash. Pollution of
ground and surface water, marine pollution Environment protection-legislative
measures in India.
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