Geology from aeromagnetic data

PG Betts, D Moore, A Aitken, T Blaikie, M Jessell… - Earth-Science …, 2024 - Elsevier
This review aims to bridge the knowledge gap between geological and geophysical
communities by elucidating the interpretation of aeromagnetic data. Aeromagnetic surveys …

The historical development of the magnetic method in exploration

MN Nabighian, VJS Grauch, RO Hansen, TR LaFehr… - Geophysics, 2005 - library.seg.org
The magnetic method, perhaps the oldest of geophysical exploration techniques, blossomed
after the advent of airborne surveys in World War II. With improvements in instrumentation …

Metalliferous mining geophysics—State of the art after a decade in the new millennium

MA Vallee, RS Smith, P Keating - Geophysics, 2011 - library.seg.org
Mining exploration was very active during the first decade of the twenty-first century because
there were numerous advances in the science and technology that geophysicists were using …

Inversion of potential field data using the structural index as weighting function rate decay

F Cella, M Fedi - Geophysical Prospecting, 2012 - earthdoc.org
Nonparametric inverse methods provide a general framework for solving potential‐field
problems. The use of weighted norms leads to a general regularization problem of Tikhonov …

Wavelet frames: an alternative to spherical harmonic representation of potential fields

A Chambodut, I Panet, M Mandea… - Geophysical Journal …, 2005 - academic.oup.com
Potential fields are classically represented on the sphere using spherical harmonics.
However, this decomposition leads to numerical difficulties when data to be modelled are …

Characterization of geological boundaries using 1-D wavelet transform on gravity data: Theory and application to the Himalayas

G Martelet, P Sailhac, F Moreau, M Diament - Geophysics, 2001 - library.seg.org
We investigate the use of the continuous wavelet transform for gravity inversion. The wavelet
transform operator has recently been introduced in the domain of potential fields both as a …

Identification of Cameroon's geological structures through a gravity separation and using seismic crustal models

FEK Ghomsi, N Ribeiro-Filho, R Baldez… - Journal of African Earth …, 2021 - Elsevier
Residual gravity data provide useful information for a geophysical interpretation of
geological sources. Several techniques have been developed and applied to separate a …

Analysis of depth resolution in potential-field inversion

M Fedi, PC Hansen, V Paoletti - Geophysics, 2005 - library.seg.org
We study the inversion of potential fields and evaluate the degree of depth resolution
achievable for a given problem. To this end, we introduce a powerful new tool: the depth …

Self-constrained inversion of potential fields

V Paoletti, S Ialongo, G Florio, M Fedi… - Geophysical Journal …, 2013 - academic.oup.com
We present a potential-field-constrained inversion procedure based on a priori information
derived exclusively from the analysis of the gravity and magnetic data (self-constrained …

Identification of sources of potential fields with the continuous wavelet transform: Two‐dimensional wavelets and multipolar approximations

P Sailhac, D Gibert - Journal of Geophysical Research: Solid …, 2003 - Wiley Online Library
We show new continuous wavelet‐based transformation techniques of potential field maps
and propose interpretation schemes for characterizing three‐dimensional (3‐D) sources …