Applied Geophysics (0305372)

Applied Geophysics (0305372)

<p> Applied Geophysics (0305372) Course Contents</p><p>I. Introduction Applied Geophysics? Classifications; Development; Application: Exploration for oil & gas, underground water, ore deposits, other applications.</p><p>II. Seismic Refraction Importance of seismic exploration; Principles of application; The seismic refraction technique; Travel-Time equations for seismic refractions from subsurface horizontal layers of constant velocities, Dipping and faulted layers; Linear increase of velocity with depth; Mathematical treatments and field applications.</p><p>III. Seismic Reflection Reflection Vs. Refraction; Main Principles; Field techniques; Travel-Time equations of subsurface reflections; Enhancement of seismic reflection data; Processing techniques; Geological and geophysical interpretation of seismic reflection data; Applications.</p><p>IV. Electrical & Electromagnetic Methods Classification; Electrical properties of rocks; The electrical resistivity method and its importance in geo-exploration; Field techniques; Vertical electrical sounding & Horizontal trenching; Quantitative interpreatation of resistivity data; Field & Lab applications.</p><p>V. Gravity & Magnetic Methods Potential field methods and their importance in exploration; The geomagnetic & geo-gravitational fields and their variations; Field techniques; Reduction of gravity & magnetic data; Qualitative & Quantitative interpretation of gravity and magnetic data; Field applications.</p><p>VI. Other Geophysical Methods The different techniques and their importance; Field surveys; Data collection; processing and interpretation.</p><p>1 Suggested Report Topics 1. The importance of Applied Geophysics in exploration for either: a) Oil & gas, OR b) Underground Water, OR c)Ore Deposits. 2. Processing of seismic reflection data. 3. The importance of “either method” in geo-exploration.</p><p>References 1. Dobrin, M. B., 1981, Introduction to geophysical prospecting, 3rd edt., McGraw-Hill, Aukland. 2. Sharma, P. V., 1986, Geophysical methods in geology, 2nd edt., Prentice Hall, New Jersey. 3. Nettleton, L. L., 1976, Gravity and magnetics in oil prospecting, McGraw-Hill, New York. 4. Blakely, R. B., 1995, Potential theory in gravity & magnetic applications, Cambridge Univ. Press.</p><p>2</p>

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