Bouguer anomaly can be considered as the total sum of the attraction effects resulting from the geological bodies beneath the observational point with different scales, densities and depths. How can we extract tlae in...Bouguer anomaly can be considered as the total sum of the attraction effects resulting from the geological bodies beneath the observational point with different scales, densities and depths. How can we extract tlae information of deep crust from Bouguer anomaly?The authors suggested using the formula of 3D positive calculation to determine the surface gravity anomaly caused by the shallow strata. After layering forward calculation, the deep residual gravity anomaly reflecting crustal structure is obtained. If we take Moho depth of 3 l km from DSS in Fujian Province as a controlling point, the crustal thickness throughout the whole region is inversed. As for the calculation and error, see Refs.展开更多
基金Project supported by the Joint Earthquake Science Foundation.
文摘Bouguer anomaly can be considered as the total sum of the attraction effects resulting from the geological bodies beneath the observational point with different scales, densities and depths. How can we extract tlae information of deep crust from Bouguer anomaly?The authors suggested using the formula of 3D positive calculation to determine the surface gravity anomaly caused by the shallow strata. After layering forward calculation, the deep residual gravity anomaly reflecting crustal structure is obtained. If we take Moho depth of 3 l km from DSS in Fujian Province as a controlling point, the crustal thickness throughout the whole region is inversed. As for the calculation and error, see Refs.
