Imaging iron ore from the Quadrilátero Ferrífero (Brazil) using geophysical inversion and drill hole data

DU Carlos, L Uieda, VCF Barbosa - Ore Geology Reviews, 2014 - Elsevier
Abstract The Quadrilátero Ferrífero in southeastern Brazil hosts one of the largest
concentrations of lateritic iron ore deposits in the world. Our study area is over the southern …

A high-order 3-D spectral-element method for the forward modelling and inversion of gravimetric data—Application to the western Pyrenees

R Martin, S Chevrot, D Komatitsch… - Geophysical Journal …, 2017 - academic.oup.com
We image the internal density structure of the Pyrenees by inverting gravity data using an a
priori density model derived by scaling a V p model obtained by full waveform inversion of …

3D gravity modeling of complex salt features in the southern Gulf of Mexico

M Nava-Flores, C Ortiz-Aleman… - International Journal …, 2016 - Wiley Online Library
We present a three‐dimensional (3D) gravity modeling and inversion approach and its
application to complex geological settings characterized by several allochthonous salt …

Spherical Planting Inversion of GRAIL Data

G Lu, D Zhang, S Cao, Y Deng, G Xu, Y Liu, Z Zhu… - Applied Sciences, 2023 - mdpi.com
In large-scale potential field data inversion, constructing the kernel matrix is a time-
consuming problem with large memory requirements. Therefore, a spherical planting …

A Three-Dimensional Inversion Method for Small-Scale Magnetic Objects Based on Normalized Magnetic Source Strength

Z Cai, Z Li, H Fan, Q Li, B Wang - Micromachines, 2022 - mdpi.com
The exploration of some dangerous or important small-scale magnetic objects requires
accurate three-dimensional inversion results. In this paper, a three-dimensional inversion …

[PDF][PDF] Research Article 3D Gravity Modeling of Complex Salt Features in the Southern Gulf of Mexico

M Nava-Flores, C Ortiz-Aleman… - 2016 - academia.edu
We present a three-dimensional (3D) gravity modeling and inversion approach and its
application to complex geological settings characterized by several allochthonous salt …

Use of 3D gravity inversion to aid seismic migration-velocity building

HB Santos, DL Macedo, EB Santos… - … Exposition and Annual …, 2015 - onepetro.org
We develop a new tool for initial seismic migration-velocity model building based on a
recent gravity inversion method. This method consists of an iterative algorithm that provides …