1887
Volume 15 Number 1
  • E-ISSN: 1365-2478

Abstract

ABSTRACT

High precision gravity surveys have to be examined at different points of view: the accuracy which one can expect on the final results, regardless to their distribution, the shape and amplitude of the expected anomalies, depending on these factors, which grid of stations is convenient in each particular case.

Under certain condition, using an appropriate procedure, involving strict criteria, it is possible to get on the Bouguer map the same accuracy as the reading one.

However an accuracy closed to 0,01 mgal does not imply that anomalies as 0,01 or 0,02 mgal deserved attention. Numerous factors limit our appreciation of significant anomalies to 0,05 mgal, may be a little less.

When cavites are concerned, it is always necessary to define the extreme dimensions an depth of volumes which may give detectable anomalies.

Some example are given illustrating different aspects of this particular type of geophysical prospecting.

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2006-04-27
2024-03-28
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References

  1. Hammer, S., Usefulness of High‐Quality Gravity Surveys. The Oil and Gas Journal, September 28, 1953.
  2. Colley, G. C., The Detection of Caves by Gravity Measurements. Geophysical Prospecting, Volume XI, Number I, March 1963.
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  • Article Type: Research Article

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