TNPSC Assistant Geologist  தேர்வு மாதிரி & பாடத்திட்டம் – Download Now!

தமிழ்நாடு அரசு பணியாளர் தேர்வாணையம் ஆனது Assistant Geologist பணிக்கான வேலைவாய்ப்பு அறிவிப்பு தற்போது வெளியாகி உள்ளது. இங்கு மொத்தம் 40 பணியிடங்கள் காலியாக உள்ளன. இப்பணிக்கு ஆன்லைன் மூலம் விண்ணப்பங்கள் 18.08.2023 வரவேற்கப்படுகின்றன.

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TNPSC Assistant Geologist தேர்வு மாதிரி:

TNPSC Assistant Geologist பாடத்திட்டம்:

UNIT I – GENERAL GEOLOGY AND GEOMORPHOLOGY

Origin, Evolution, Age and Interior of the Earth – Principles of geodesy – Rock cycle – Isostasy – Continental drift, Seafloor spreading, Plate tectonics – Paleomagnetism and its application for determining paleoposition of continents – Orogeny and Epeirogeny – Volcanoes and earthquakes – Effects and causes – Seismic Hazard zonation of India – Tectonic deformation and seismicity in the Extra Peninsular, Indogangetic plains and Peninsular India – Applications of geomorphology in mineral prospecting and coastal studies – Weathering – processes and products – Geomorphic cycles and their interpretation – Morphology and its relation to structures and lithology – geomorphic landforms formed by action of rivers, wind, glaciers, waves and groundwater – Features of ocean floor – continental shelf, slope and rise – concepts of landscape evolution, major geomorphic features of India – coastal, peninsular and extra peninsular – Classification of shorelines and their evolution – submarine canyons, Geosynclines and Island arcs.

UNIT-II – STRATIGRAPHY

Principles of stratigraphy – Code of stratigraphic nomenclature of India – lithostratigraphy – biostratigraphy – chronostratigraphy – magnetostratigraphy, sequence stratigraphy – Principles of stratigraphic correlation; Indian stratigraphy and economic importance – Cratons of India – Dharwar, Bastar, Singhbhum, Aravalli and Bundelkhand Cratons – Proterozoic mobile belts – Eastern Ghats Mobile Belt, Southern Granulite Terrain, Central Indian Tectonic Zone, Aravalli – Delhi Belt, North Singhbhum Mobile Belt – Proterozoic sedimentary basins – Cuddapah, Delhi, Vindhyan, Kurnool and Kaladgi – Phanerozoic stratigraphy – Paleozoic – Spiti, Kashmir and Kumaon – Mesozoic – Spiti, Kutch, Narmada Valley and Tiruchirapalli erstwhile Trichinopoly – Gondwana Supergroup, Deccan Traps – Cenozoic Assam, Bengal basins, Garhwal-Shimla Himalayas – Siwaliks – boundary problems in Indian stratigraphy Precambrian-Cambrian boundary – Permian-Triassic boundary – Cretaceous-Paleogane (K-Pg) formerly Cretaceous-Tertiary (K-T) boundary – Paleogane-Neogene and Neogene-Quaternary boundary.

UNIT III – PALEONTOLOGY

Fossil record and geological time scale – modes of preservation of fossils and concept of taphonomy – Body and ichno-fossils, species concept, organic evolution, Ediacara Fauna – morphology and time range of Graptolites, Trilobites, Brachiopods, Lamellibranchs, Gastropods, Cephalopods, Echinoids and Corals – Evolutionary trends in Trilobites, Gastropods, Cephalopods; and Graptolites – Micropaleontology – methods of preparation of microfossils, morphology of microfossil groups (Foraminifera, Ostracoda), Fossil spores and pollen – Application of micropaleontology in oil exploration – Gondwana plant fossils and their age and climate significance – Vertebrate life through ages, evolution in Proboscidea, Equidae and Hominidae – Dinosaurs – their classification and extinction – Applications of paleontological data in stratigraphy, paleoecology, and paleoclimatology – Mass Extinctions.

UNIT IV – STRUCTURAL GEOLOGY

Mechanical principles of rocks – Strain markers in deformed rocks – Mohr’s circle – V rules and outcrop patterns – Stereographic Projections of structural elements – Mechanics and causes of folding and faulting – Classification of folds and faults – Recognition of folds and faults in the field – Joints – Cleavage and Schistosity types and origin – Secondary lineation – Types of unconformity and their recognition in the field – Introduction to Petrofabric analysis – Tectonites, their classification and geological significance.

UNIT V- MINERALOGY AND CRYSTALLOGRAPHY

Definition, Classification and elements of minerals and Crystallography – Optical, Electrical and Magnetic Properties of minerals – Physical, chemical and optical properties of Quartz, Feldspars, Feldspathoids, Pyroxene, Amphibole, Olivine, Garnet, Mica, Zeolites and Carbonate groups – Stereographic and Gnomonic projections of natural crystals of normal classes. 14 Bravais lattices and their derivation – Derivation of 32 classes of symmetry – Elements of X-ray crystallography – Napier’s theorem – Equations of a normal – Bragg’s law – X-ray diffraction method – Identification of minerals from X-ray diffractogram – Concept of optical mineralogy – Identification of minerals using petrological microscope.

UNIT VI – IGNEOUS AND METAMORPHIC PETROLOGY

Classification of Igneous rocks: Mineralogical, Chemical and IUGS classification – Structures and textures – Petrography and petrogenesis of Granites, Alkaline rocks, Anorthosites, Carbonatites, Dolerites, Ultramafics – Study of binary and ternary system of crystallisation – Bowen’s reaction series – Diversity of Igneous rocks – variation diagrams – Crystallisation of Basaltic magma – Metamorphism – Agents and kinds of metamorphism.

UNIT VII – SEDIMENTOLOGY

Sedimentary depositional environments – Important clastic and nonclastic rocks – Heavy minerals and Provenance – Tectonics and Sedimentation – Sedimentary Basins of India – Paleo currents and Basin Analysis – Classification of sedimentary rocks – sedimentary textures grains size, roundness, sphericity, shape and fabric – grain size analysis – sediment transport and deposition – sedimentary structures Pen contemporaneous deformation structure and biogenic structures – principles and application of paleo current analysis – composition and significance of different types of sedimentary rocks Sandstone, Limestone, Banded Iron Formation, Mudstone and Conglomerate – carbonate diagenesis and dolomitisation – sedimentary environments and facies-facies models – fluvial, glacial, deltaic, siliciclastic shallow and deep marine environments – carbonate platforms – types and facies models; sedimentation in major tectonic settings; Application of sequence stratigraphy in basin analysis.

UNIT VIII – ECONOMIC GEOLOGY

Classification of mineral deposits – Process of formation of mineral deposits – Magmatic, Hydrothermal, Sedimentary, Metamorphic, Sublimation, Evaporation, Oxidation and Supergene enrichment – Metallogenic Epochs and provinces of India – Introduction of ore microscopy – Physical and optical properties of ore minerals – Textures and microstructures of ores – Controls of ore Localisation – Fluid inclusion in ore mineral assemblages – Origin, Occurrences, Indian distribution and uses of the following ores – Iron, Manganese, Copper, Lead, Zinc, Aluminium, Chromium, Gold, Barite, Graphite, Asbestos and Silica, Uranium, Thorium and Industrial Minerals. Origin of coal and petroleum – Physical and Chemical Properties of coal and petroleum – Deposits of coal and Petroleum in India – Distribution of Gondwana and Tertiary coal fields of India. Gas hydrates and Coal bed methane, Petroliferous basins of India – Lignite deposits in India – Strategic, Critical and essential minerals – National mineral policy 2019 – Conservation and Utilization of mineral resources.

UNIT-IX: HYDROGEOLOGY

Occurrence of groundwater – Aquifers – Major Basins and Drainage systems of Tamil Nadu – Groundwater flow – Darcy’s Law – Hydraulic conductivity and Hydrological parameters – Transmissibility, Permeability – Specific yield and retention – Hydrogeological characters of different types of rocks – Rock water interaction – Types of wells – Drilling methods and methods of construction, Design and development and Well logging methods – Pumping test methods – Estimates of groundwater potential and recharge – Managed Aquifer recharge – Rainwater Harvesting techniques and methods – Aquifer recharge methods – Seawater intrusion – Study and methods – Electrical methods of groundwater exploration – Tracer – Isotope techniques.

UNIT-X: APPLIED GEOLOGY

Geophysical methods of prospecting – Electrical, Magnetic, Gravity and Seismic – Radioactive methods – Geochemical classification of elements and anomaly – Geochemical cycle – Geochemical prospecting – Engineering properties of Rocks – Geological investigations pertaining to Dams, Reservoirs, Tunnels, Bridges and Roads – Rock sampling techniques – Ore reserve estimation and UNFC. Mining Methods: Surface and Sub surface – Coal and Alluvial – Prominent mines and mineral legislations of India – Environmental impacts (EIA) due to mining and mineral processing – Role of Geologist in mining industries. Natural Hazards – Floods, Landslides, Earthquakes and Tsunami – Causes and Mitigation. Renewable and non renewable resources. Applications of Remote sensing – GIS and GPS in Geological studies classification of metamorphic Rocks – Textures and Structures – Different grades and depth Zones – Metamorphic facies – Metamorphic differentiation – Thermal – Clastic and Regional Metamorphism – Origin of Eclogites – Charnockitisation – Granitisation – Metasomatism.

PAPER – II – Part – B GENERAL STUDIES (DEGREE STANDARD) OBJECTIVE TYPE: