Applied Geophysics

Front Cover
Cambridge University Press, Oct 26, 1990 - Science - 770 pages
Completely revised and updated, this new edition of the popular and highly regarded textbook, Applied Geophysics, describes the physical methods involved in exploration for hydrocarbons and minerals. These tools include gravity, magnetic, seismic, electrical, electromagnetic, and radioactivity studies. All aspects of these methods are described, including theoretical considerations, data acquisition, and data processing and interpretation, with the objective of locating concentrations of natural resources and defining their extent. In the past fourteen years or so since the writing of Applied Geophysics, there have been many changes in the field of exploration geophysics. The authors give full treatment to changes in this field, which include improved techniques for calculating gravity fields, the use of proton-precession and optically-pumped magnetometers, improved quality of seismic data, magnetotelluric as a practical exploration method, new electromagnetic exploration methods, the use of gamma-ray spectrometers in radioactive exploration, and improved well-logging techniques. The intent is to be practical, and thus many actual examples and problems are given. Moreover, wherever possible in this edition the authors adopt the use of Système Internationale (SI) units, which were not in standared use at the time of the first edition. The reader needs only a general background knowledge of geology, physics, and mathematics. Most of the math can be skipped by those interested only in the results. Advanced mathematical concepts are explained in the appendix.

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Contents

Introduction1
1
SurfaceFitting Residualizing
27
Overburden Effects48
48
References60
60
Methods237
237
ThreeDimensional
267
References342
342
Electromagnetic Methods343
356
Lateral Mapping Vertical
554
References577
577
References609
609
7
637
References644
644
Log682
682
Appendix A Mathematical
727
Curvilinear Coordinates733
733

Problems504
504
References519
519
Quadrature Method377
525
Introduction539
539
Linear Systems743
743
Index751
751
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