Also called measured gravity, or observed gravity. The gravity field measured at a gravity station before latitude, free-air, Bouguer or terrain corrections is applied.
A term used to describe a magnetic source body, which can be considered, for practical purposes, parallelepiped which is semi-infinite in vertical dimension. That is, its depth-to-bottom is at least four times its depth-to-top. Its anomaly character is similar to that of a monopole or line of poles. A two-dimensional prism (semi-infinite normal to [...]
A term used to describe a sheet-like magnetic source body with limited vertical dimension. That is, its thickness may range from 0.1 to 1.0 times its depth-to-top. Its anomaly character is similar to that of a set of dipoles.
An anomaly may be identified as a local deviation from a regional trend. In potential fields interpretation, it is a feature or shape which stands out on a map or profile of the gravity or magnetic field. This feature is of shorter wavelength or steeper gradient than the regional or ambient field. This feature would [...]
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