1 July 2013

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GEOLOGICAL ASSISTANT SYLLABUS

GEOLOGICAL  ASSISTANT GROUND WATER DEPARTMENT(CATEGORY NO.46/2011)

1.Geotectonics,Geomorphology and Remote Sensing Earth and the solar system,Planetary evolution of the earth and its internal structure.Heterogeneity of the earth’s crust.Major tectonic features of the Oceanic and Continental crust.Continental drift-geological and geophysical evidence,mechanics,objections,present status.Gravity and magneticanomalies at Mid-ocean ridges,deep sea trenches,continental shield areas and mountain chains.Palaeomagnetism.Seafloor spreading and Plate Tectonics.Island arcs,Oceanic islands and volcanic  arcs.Isostasy,orogeny ans epeirogeny.Seismic belts of the earth.Seismicity and plate movements.



                         Geodynamics of the Indian plate.Weathering and soils,Mass wasting,Influence of cimate on processes,Concept of erosion cycles.Geomorphology of fluvial tracts arid zones,coastal regions,’Karst’landscapes and glaciated ranges.Drainage basin analysis.Applications of geomorphology in mineral prospecting,civil engineering,hydrology,and environmental studies.Topolographical maps.Concepts and principles of aerial photography and photogrammetry,satellite remote sensing data products and their interpretation.Digital image processing.Remote sensing in landform and land use mapping ,structural mapping,hydrogeological studies and mineral exploration.Global and Indian Space Missions.Geographic information System(GIS)-principles and applications.


2.Structural Geology,Stratigraphy and Paleontology Measurement of strain in deformed rocks.Behaviour of minerals and rocks under deformation conditions.Structural analysis of folds ,cleavages,lineations,joints and faults.Superposed deformation.Mechanism of folding  and faulting.Time –relationship between crystallization and deformation.Unconformities and basement-cover relations.Structural behaviour of igneous rocks,diapirs and salt domes.Nomenclature and the modern strtigraphic code.Radioisotopes and measuring geological time.Geological time-scale.Stratigraphic  procedures of correlation of unfossiliferous rocks.Precambrian stratigraphy of India.Stratigraphy  of the Palaeozoic,Mesozoic and  Cenozoic formations of India.Gondwana system and Gondwanaland.Rise of the Himalaya and evolution of Siwalik basin.Quaternary Stratigraphy.Fossil record and geological time-scale.Morphjology and time-ranges of fossil groups.Evolutionarychanges in mollusks and mammals in geological time.Principles of evolution.Use of species and genera of foraminifera and echinodermata in biostratigraphic correlation.Siwalik vertebrate fauna and Gondwana flora,evidence of life in Precambrian times,different microfossil groups and their distribution in India.

3.Mineralogy and Economic mineral deposit Physical,chemical and crystallographic characteristicxs of common rock forming silicate mineral groups.Structural classification of silicates.Common minerals of igneous and metamorphic rocks.Minerals of the carbonate,phosphate,sulphide and halide groups.Optical properties of common rock  forming silicate minerals,uniaxial and biaxial minerals.Extinction angles,pleochroism,birefringence of minerals and their relation with mineral composition.Twinned crystals.Dispersion.Controls of Mineral Localisation,Mettallogenic epoch and provinces,Classification of mineral deposit,Precious meals,nonferrous metals iron and ferro-alloy metals,Mineral fuels,ceramic minerals,structural and building materials,metallurgical and refractory materials,fertilizer minerals,abrasive minerals,gemstones.Mineral deposit of India.

4.Igneous and Metamorphic and Sedimentary Petrology Forms,textures and structures of igneous rocks.Petrology and geotectonic evolution of granites,basalts,andesites and alkaline rocks.Petrology of gabbros,kimberlites,anorthosites and carbonatites.Textures and structures of metamorphic rocks.Regional and contact metamorphism of politic and impure calcareous rocks.Mineral assemblages and P/T conditions.Characteristics of different grades and fades of metamorphism.Metasomatism and granitization,migmatites.Plate tectonics and metamorphic zones.Paired metamorphic belts.Provenance and diagenesis of sediments.Sedimentary textures.Framework matrix and cementof terrigenous sediments.Definition,measurement,and interpretion of grain size.Primary structures,palaeocurrent analysis.Biogenic and chemical sedimentary structures.Sedimentary environment and fades.Classification of sandstones.Classification of limestone.Sedimentary basins of India.

5.Hydrogeology and Environmental Geology Origin of water :meteoric,juvenile,magmatic and sea waters,Hydrologic cycle precipitation,runoff,infiltration and evapotranspiration,Hydrographs.Subsurface movement and vertical distribution of groundwater,Springs,Classification of aquifers,Concepts of drainage basin and groundwater basin.Hydrological proper ties of rocks-specific yield,Specific retention,porosity,hydraulic conductivity,transmissivity,storage coefficient,water table fluctuations Theory of groundwater flow,Darcey’s Law and its applications,Types of wells,drilling methods,construction,design,development and maintenance of wells,specific capacity  and its determination.Groundwater quality-physical and chemical properties of water,quality  criteria for different uses,graphical presentation of water quality data,groundwater quality in different provinces of India-problems of arsenic and fluride,Saline water intrusion in coastal and other aquifers and its prevention,Natural hazards-preventive/precautionary measures-floods,landslides,earthquakes,river and coastal erosion.Impact assessment of anthropogenic activities such as urbanization,open cast mining and quarrying,disposal of industrial and radio-active waste,excess withdrawal of ground water ,use of fertilizers,dumping of ores,mine waste and fly-ash.Organic and inorganic contamination of ground water and their remedial measures.Soil degradation and remedial measures.Environment protection legislative measures in India.



Note:It may be noted that apart from the topics detailed above,questions from other topics prescribed for the educational qualification of the post may also appear in the question paper.There is no undertaking that all the topics above may be covered in the question paper.
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