Access over 35 million academic & study documents

Geology and Geophysics – GG

Content type
User Generated
Subject
Geology
Type
Note
Rating
Showing Page:
1/3
Visit : for more information www.studyurself.in
Geology and Geophysics – GG
PART – A : COMMON TO GEOLOGY AND GEOPHYSICS
Earth and Planetary system, size, shape, internal structure and composition of the earth;
atmosphere and greenhouse effect; isostasy; elements of seismology; physical properties
of the interior of the earth; continents and continental processes; physical oceanography;
geomagnetism and paleomagnetism, continental drift, plate tectonics.Weathering; soil
formation; action of river, wind, glacier and ocean; earthquakes, volcanism and orogeny.
Basic structural geology, mineralogy and petrology. Geological time scale and
geochronology; stratigraphic principles;major stratigraphic divisions of India.
Engineering properties of rocks and soils. Ground water geology. Geological and
geographical distribution of ore, coal and petroleum resources of India.Introduction to
remote sensing. Physical basis and applications of gravity, magnetic, electrical,
electromagnetic,seismic and radiometric prospecting for oil, mineral and ground water;
introductory well logging.
PART B – SECTION 1 : GEOLOGY
Crystal symmetry, forms, twinning; crystal chemistry; optical mineralogy, classification
of minerals, diagnostic physical and optical properties of rock forming minerals.
Igneous rocks – classification, forms and textures, magmatic differentiation; phase
diagrams and trace elements as monitors of magma evolutionary processes; mantle
melting models and derivation and primary magmas. Metamorphism; controlling factors,
metamorphic facies, grade and basic types; metamorphism of pelitic, mafic and
impure carbonate rocks; role of fluids in metamorphism; metamorphic P-T-t paths and
their tectonic significance;Igneous and metamorphic provinces of India; structure and
petrology of sedimentary rocks; sedimentary processes and environments, sedimentary
facies, basin analysis; association of igneous, sedimentary and metamorphic rocks with
tectonic setting.Stress, strain and material response; brittle and ductile deformation;
primary and secondary structures; geometry and genesis of folds, faults, joints,
unconformities; cleavage, schistosity and lineation; methods of projection,
tectonites and their significance; shear zone; superposed folding; basement cover
relationship.Morphology, classification and geological significance of important
invertebrates, vertebrates, microfossils and palaeoflora; stratigraphic principles and
Indian stratigraphy.Geomorphic processes and agents; development and evolution of
landforms; slope and drainage; processes on deep oceanic and near-shore regions;
quantitative and applied geomorphology.Ore mineralogy and optical properties of ore
minerals; ore forming processes vis-à-vis ore-rock association (magmatic, hydrothermal,
sedimentary and metamorphogenic ores); ores and metamorphism; fluid inclusions as
an ore genetic tool; prospecting and exploration of economic minerals; sampling, ore
reserve estimation, geostatistics,mining methods. Coal and petroleum geology; origin and
distribution of mineral and fuel deposits in India; marine geology and ocean resources;
ore dressing and mineral economics.Cosmic abundance; meteorites; geochemical
evolution of the earth; geochemical cycles; distribution of major,minor and trace
elements; elements of geochemical thermodynamics, isotope geochemistry; geochemistry
of waters including solution equilibria and water rock interaction.

Sign up to view the full document!

lock_open Sign Up
Showing Page:
2/3
Visit : for more information www.studyurself.in
Engineering properties of rocks and soils; rocks as construction materials; role of geology
in the construction of engineering structures including dams, tunnels and excavation sites;
natural hazards. Ground water geology – exploration, well hydraulics and water quality.
Basic principles of remote sensing – energy sources and radiation principles, atmospheric
absorption, interaction of energy with earth’s surface, air-photo interpretation, ultispectral
remote sensing in visible, infrared, thermal IR and microwave regions, digital processing
of satellite images. GIS –basic concepts, raster and vector mode operation.
PART B – SECTION 2: GEOPHYSICS
The earth as a planet; different motions of the earth; gravity field of the earth, Clairaut’s
theorem, size and shape of earth; geochronology; seismology and interior of the earth;
variation of density, velocity, pressure, temperature,electrical and magnetic properties of
the earth; earthquakes-causes and measurements, magnitude and intensity,focal
mechanisms, earthquake quantification, source characteristics, seismotectonics and
seismic hazards; digital seismographs, geomagnetic field, paleomagnetism; oceanic and
continental lithosphere; plate tectonics; heat flow; upper and lower atmospheric
phenomena.Scalar and vector potential fields; Laplace, Maxwell and Helmholtz
equations for solution of different types of boundary value problems in Cartesian,
cylindrical and spherical polar coordinates; Green’s theorem; Image theory;
integral equations in potential theory; Eikonal equation and Ray theory. Basic concepts of
forward and inverse problems of geophysics, Ill-posedness of inverse problems.
‘G’ and ‘g’ units of measurement, absolute and relative gravity measurements; Land,
airborne, shipborne and bore-hole gravity surveys; various corrections in gravity data
reduction – free air, Bouguer and isostatic anomalies;density estimates of rocks; regional
and residual gravity separation; principle of equivalent stratum; upward and
downward continuation; wavelength filtering; preparation and analysis of gravity maps;
gravity anomalies and their interpretation – anomalies due to geometrical and irregular
shaped bodies, depth rules, calculation of mass.Earth’s magnetic field – elements, origin
and units of measurement, magnetic susceptibility of rocks and measurements,
magnetometers, Land, airborne and marine magnetic surveys, corrections, preparation of
magnetic maps, upward and downward continuation, magnetic anomalies-geometrical
shaped bodies, depth estimates, Image processing concepts in processing of magnetic
anomaly maps; Interpretation of processed magnetic anomaly data.
Conduction of electricity through rocks, electrical conductivities of metals, non-metals,
rock forming minerals and different rocks, concepts of D.C. resistivity measurement,
various electrode configurations for resistivity sounding and profiling, application of
filter theory, Type-curves over multi-layered structures, Dar-Zarrouck parameters,
reduction of layers, coefficient of anisotropy, interpretation of resistivity field data,
equivalence and suppression,self potential and its origin, field measurement, Induced
polarization, time and frequency domain IP measurements;interpretation and applications
of IP, ground-water exploration, environmental and engineering applications.Basic
concept of EM induction, Origin of electromagnetic field, elliptic polarization, methods
of measurement for different source-receiver configuration, components in EM

Sign up to view the full document!

lock_open Sign Up
Showing Page:
3/3

Sign up to view the full document!

lock_open Sign Up
Unformatted Attachment Preview
Visit : for more information www.studyurself.in Geology and Geophysics - GG PART - A : COMMON TO GEOLOGY AND GEOPHYSICS Earth and Planetary system, size, shape, internal structure and composition of the earth; atmosphere and greenhouse effect; isostasy; elements of seismology; physical properties of the interior of the earth; continents and continental processes; physical oceanography; geomagnetism and paleomagnetism, continental drift, plate tectonics.Weathering; soil formation; action of river, wind, glacier and ocean; earthquakes, volcanism and orogeny. Basic structural geology, mineralogy and petrology. Geological time scale and geochronology; stratigraphic principles;major stratigraphic divisions of India. Engineering properties of rocks and soils. Ground water geology. Geological and geographical distribution of ore, coal and petroleum resources of India.Introduction to remote s ...
Purchase document to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Anonymous
Just what I needed. Studypool is a lifesaver!

Studypool
4.7
Indeed
4.5
Sitejabber
4.4