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28th January 2017, 04:54 PM
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Re: ISM Dhanbad Geophysics Paper

As you are looking for ISM Dhanbad Applied Geophysics Paper syllabus, so on your demand I am providing same for you :


Geophysical Prospecting
3 1 0
Introduction to Geophysics and Geophysical prospecting
Gravity method: Basis for gravity exploration, concept of geoid, international gravity formula,
unit of gravity.
Gravimeters: Spring-mass system as basic gravimeters, principles of working of unstable
gravimeters, zero length spring, La-Coste-Romberg and Worden gravimeters.
Drift Correction.
Gravity effect due to buried sphere, horizontal cylinder, semi-infinite horizontal sheet
Densities of common rocks and minerals.
Magnetic method: Magnetic susceptibility of rocks and their ranges, elements of earth magnetic
field
Magnetometers: Fluxgate and Proton Precession Magnetometers
Diurnal Correction
Magnetic effect due to isolated pole, vertical dipole. Horizontal dipole and dipping dipole.
Spontaneous Potential (SP) Method: Origin of SP, Field procedure to conduct SP survey, removal
of bias from SP anomalies, common minerals showing SP anomalies, interpretation of SP
anomalies.
Seismic Method: Principles of Geometrical Optics, generation and propagation of seismic waves,
seismic energy sources, geometry of refraction and reflection, interpretation of travel time curves
for two layered earth- horizontal and dipping interface, field procedure-profile and broad side
shooting, fan shooting, end on and split spread arrangements.
Resistivity Method: True and apparent resistivity, resistivities of common rocks and minerals,
Electrode configurations—Schlumberger and Wenner, Vertical Electrical Sounding,
Interpretation of two layered VES curves.
Well logging: Objectives of well logging, Borehole environment, surface logging setup, sources
of SP in wellbore, Archie‘s law and Darcy‘s law

ISM Dhanbad Applied Geophysics syllabus


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File Type: pdf ISM Dhanbad Applied Geophysics syllabus.pdf (367.9 KB, 92 views)


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