Gravity gradiometry gains prominence

摘要

Full-tensor gravity gradiometry has been used in the East African Rift System. The last few years have seen full-tensor gravity gradiometry (FTG) become an important means of economically imaging structures quickly, resolving geological uncertainties, and - alongside 3-D and 2-D seismic data - developing a more complete picture of the subsurface. Today the technique, which maps small density variations in underlying rocks by measuring the gradient of the earth's gravity field, is being used onshore and offshore, in frontier exploration, for prospect generation, and in a wide variety of geologically challenging areas. One such area where FTG has considerable applicability is in rift systems - in this ease, the East African Rift System.