Abstract

The application of gravity methods to investigations of small-scale subsurface features has not yet paralleled large-scale structural investigations such as regional surveys and oil explorations. The problems involved in a gravity survey which searches for the location of an ore body, or some small structural feature, are mainly similar to those of the large-scale case, but they are possibly somewhat more difficult due to the size of the anomaly. When such small anomalies are involved, the geophysicist may often run into the difficulty that the errors in the work are of the same order as the expected anomaly. Despite other disturbing factors related to the topography and densities of the materials involved, gravity surveys carried out on local rather than on regional scales can be very important in the location of small structures and ore bodies.

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