TNPSC Assistant Geologist Syllabus 2021: (U.G.DEGREE STANDARD) PDF

TNPSC Assistant Geologist Syllabus 2021:

(U.G.DEGREE STANDRAD)

Paper-I Geology:

UNIT I – GENERAL GEOLOGY

Origin, Interior and Age of the Earth – Weathering – Types and products – Geological work of Wind, River, Sea and Groundwater – Volcanoes – Earthquakes – causes and effects – Seismic zonation – Richter Scale – Principles of Plate Tectonics – fundamental and geomorphology.

UNIT II – STRATIGRAPHY

Principles of Stratigraphy – Correlation – Geological Time Scale – General characteristics, descriptive and economic importance of Archean, Cuddapah, Vindhyan and Gondwana systems of Peninsular India -Cretaceous system of Tamil Nadu.

UNIT III – STRUCTURAL GEOLOGY

Folds – Faults – Joints – Unconformities – Recognition of overturned beds –Stress and strain relationship – Attitude of beds – Measurement of dip, apparent dip, strike using Cino and Brunton Compass .

UNIT IV – PALAEONTOLOGY

Fossils – Definitions, Conditions, mode of preservation, uses of Fossils – General morphology and classification of Graptolites, Mollusca, Coelenterata, Brachiopod, Trilobita, Echinoids and Foraminifera.

UNIT V – CRYSTALLOGRAPHY

Definition of crystals – Inter facial angles – Goniometer -Symmetry Elements – Study of Normal Classes of Isometric, Tetragonal, Hexagonal, Orthorhombic, Monoclinic and Triclinic systems – Twin crystals.

UNIT VI – MINERALOGY

Physical properties of minerals – Petrologcal Microscope and its parts, accessory plates and uses – optical properties – Isotropic and Anisotropic Minerals – Descriptive study of quartz and its varieties – Feldspar Group – Pyroxene Group – Amphibole Group – Mica Group – Garnet Group – Descriptive study of Calcite, Dolomite, Tourmaline, Topaz, Staurolite, Chlorite and Zircon.

UNIT VII – IGNEOUS PETROLOGY

Definition of magma – Composition and constitution of magma – Forms and structures of Igneous Rocks, Textures and Micro structures – classification of Igneous rocks – Bowen’s Reaction principle – Descriptive Study of Granite – Syenite – Diorite – Gabbro – Dolerite – Ultramafics (Dunite,Peridotite, Pyroxenite and Anorthosite) – Differentiation – Assimilation.

UNIT VIII – SEDIMENTARY AND METAMORPHIC PETROLOGY

Classification – Texture and structures of sedimentary rocks – Descriptive study of Residual, Clastic, Chemical and organic deposits – Metamorphism – Agents and kinds of metamorphism – classification of metamorphic rocks – Textures and structure – Different facies – Marble – Schist and Gneiss – Amphibolite – Granulite (Charnockite).

UNIT IX – ENONIMIC GEOLOGY I

Definition of Ore – Tenor – Gangue – Lindgren and Bateman’s classification of ore deposits – Ore forming processes – Magmatic concentration – Hydrothermal Process Oxidation and Supergene Enrichment – Evaporation – Sedimentation – Placer deposits. Important ores, their composition, physical properties, mode of occurrence, distribution in India and uses of Gold, Iron, Aluminium, Manganese, Copper, Magnesium and Led and Zinc – Lignite, Coal and Petroleum – their occurrence in India – Building Stones, their characters, distribution and mode of occurrence in India – Mineral Wealth of Tamil Nadu.

UNIT X – APPLIED GELOLOGY

Principles of Geological mapping – Field Techniques – Drilling methods – Borehole problems from borehole data – Geological investigation and conditions for dams, tunnels and roads – Landslides – Mining methods, role of geology – problems in mines including groundwater – Application of Remote sensing in Geology.