Bouguer gravity anomaly

Bouguer gravity anomaly

[bu̇′ger ′grav·əd·ē ə′näm·ə·lē]
(geophysics)
A value that corrects the observed gravity for latitude and elevation variations, as in the free-air gravity anomaly, plus the mass of material above some datum (usually sea level) within the earth and topography.
References in periodicals archive ?
There is a pronounced positive Bouguer gravity anomaly several kilometres in diameter that is also centred exactly on the central magnetic anomaly, which is designated as the Thunderbird anomaly.
This survey, centered over a prominent pan (shallow depression) has shown the existence of a residual Bouguer gravity anomaly measuring 200m by 300m, that may be indicative of the presence of a previously unknown kimberlite.
With the Bouguer gravity anomaly modeling data, the company will immediately institute a customized diamond core drilling program to establish bankable proven reserves across its mineral type deposits with first focus on barite.
The regional correction was calculated from topography using Airy's model of crustal compensation and subtracted from the Bouguer gravity anomaly, which then produced an isostatic residual gravity map of the study area.