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Introduction Basic Principles
Seismic Field Techniques
7 other sections not shown
amplitude angewandten Geologie apparent resistivity Applied Geophysics approximately average velocity BENTZ borehole Bouguer Anomaly bytes calculated changes core memory correlation curves deconvolution defined density determined developed diffraction digital seismics direction discussed distance earth's magnetic field earth's surface earthquake effects electrical electrodes energy Enke Verlag equation example fault filtering formation geological geophone geophone spread geophysicist gradient gravitational field gravity anomaly input interface interpretation large number Lehrbuch der angewandten magnetic tape magnetised magnetotelluric methods migration multiple coverage multiple reflections noise normal obtained operator P-waves poles possible potential principle reflected waves reflecting horizon reflection point reflector refraction refractor regional field rock salt domes salt plug sample seismic data seismic reflection seismic trace seismic velocities seismic wave seismogram seismology shot point shown in Fig shows signal stacking static corrections strata Stuttgart 1961 subsurface syncline techniques values variations velocity Vibroseis voltage