Geophysics, a major discipline of the Earth sciences and a subdiscipline of physics, is the study of the whole Earth by the quantitative observation of its physical properties. Geophysical data are used in academics to observe tectonic plate motions, study the internal structure of the Earth, supplement data provided by geologic maps, and to nondestructively observe shallow deposits. Geophysical survey data are used to analyze potential petroleum reservoirs and mineral deposits, to locate ground… (More on Geophysical)