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.
A good idea if not acted upon produces terrible psychological pain.But a good idea acted upon brings enormous mental satisfaction.Got a good idea?Then do something about it.-David J.Schwartz.
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