Introduction to Geophysical Prospecting |
Contents
General Introduction | 1 |
Fundamental Physical Principles | 13 |
The Earths Gravity and the Concept of Isostasy | 28 |
Copyright | |
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Common terms and phrases
aeromagnetic survey angle anomaly average axis basement body Bouguer buried calculated contours correction correlation current electrodes curvature cylinder density depth detector determined direction distance drilling earth earth's field effect electrical electrodes elevation Engrs equipotential exploration Figure formations formula frequency gammas Geiger counter geoid geologic Geophysical Prospecting Geophysicists give gradient gravimeter gravity anomaly gravity data Gulf horizontal instrument intercept interface interpretation isostasy layer lines logging longitudinal wave Lovell Lake magnetic field magnetite magnetometer mass measured miles milligal minerals Mining neutron observed gravity obtained operations pendulum perpendicular petroleum plane plotted polarization pole position potential precision radioactive record reflection refraction resistivity rocks salt dome sea level seismic seismograph shales shooting Shoran shot hole shot points shown in Fig shows speed station structures subsurface surface techniques time-distance curve tion torsion balance Trans transverse waves uranium V₁ variation velocity wave zone