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Paper - I

UNIT I - GENERAL GEOLOGY - Origin, Interior and Age of the Earth - Weathering - Types and products - Geological work of Wind, River, Glacier, and Groundwater - Volcanees - Earthquakes - caulses and effects - Richter Scale - Principles of Plate Tectonics.

UNIT II - STRUCTURAL GEOLOGY - Types of Folds - Types of Faults - Types of Joints - Types of Unconformities - Recognition of Top and Bottom of beds - Clinometer compass and its uses.

UNIT III - STRATIGRAPHY AND PALEONTOLOGY - Principles of Stratigraphy - Correlation - Gelogical Time Scale - General characteristics, descriptive and economic importance of Archean, Cuddapah, Vindhyan and Gondwana systems of Peninsular India - Cretaceous system of Tamil Nadu. General principles of Paleontology - Fossils - Modes of preservation of Fossils - Uses of fossils.

UNIT IV - CRYSTALLOGRAPHY - Definition of crystals - Forms - Faces - Edges - Solid angles - Interfacial angles - Goviameter Symmetry Elements - Study of Normal Classses of Isometricf, Tetragonal, Hexagonal, Orthorhombic, Monoclinic and Triclinic systems - Twin crystals.

UNIT V - MINERALOGY - Petrodlogicsl Microscope, parts, accessories and uses - Physical properties of minerals - Isotropic and Anisotropic Minerals - Descriptive study of quartz and its varities - Feldspar Group - Pyroxene Group - Amphibole Group - Mica Group - Garnet Group - Descriptive study of the following minerals - calcite, Dolomite, Tourmaline, Topaz, Staurolite, Chlorite and Zircon.

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Paper - II

UNIT I - IGNEOUS PETROLOGY - Definition of magma - Composition and constitution of magma - Forms and structures of Igneous rocks - Textures and Microstructures of Igneous rocks - Clasification - Bowen's Reaction principle - Descriptive Study of the following - Granite - Syenite - Diorite - Gabbro - Ultramafies (Dunite, Peridotite, Pyroxenite and Anorthosite) - Differantiation - Assimilation.

UNIT II - EDIMETARY AND METAMORPHIC PETROLOGY - Primary structures of sedimentary rocks - classification of sedimentary rocks - Descriptive study of Residual, clastic, Chemical and organic deposits - Definition of Metamorphism - Agents and kinds of metamorphism - classification of metamorphic rocks - Textures of metamorphic rocks - Different fscies - study of marbles - Greenschist - Amphibolite - Granulite (Charnockite).

UNIT III - ENONIMIC GEOLOGY I - Definition of Ore - Tenor - Gangue - Lindgren and Bateman's classification of ore deposites - study of the following ore - forming processes - Magmatic concentration Hydrothermal - Evaporation - Sedimentation - placer deposits - Oxidation and Supergene Enrichment.

UNIT IV - ECONOMIC GELOLOGY II - Important ores, their composition, physical properties, mode of occurrence, distribution in India and uses of the folowing - Gold, Iron, Aluminium, Manganese, Copper, Magnesium and Led and Zinc - Building Stones, their characters, distribution and mode of occurrence in India - Mineral Wealth of Tamil Nadu - Lognite, Coal and Petroleum - their occurrence in India and origin.

UNIT V - APPLIED GELOLOGY - Role of Geology in Mining - Principles of Geological mapping - Drilling Instruments and equipments - Field Techniques - Different methods of power boring, logging, borehole problems - Determination of strike, dip etc., from borehole strata - Investigation for tunnelling and handslides - Geologicsl problems in mines including groundwater.