What is it about?

High susceptibility can lead to significant self-demagnetization effects. As previous studies shown that remanent magnetization also cannot be neglected in the inversion procedure.

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Why is it important?

We utilize PDE framework and amplitude data transform to tackle the problems of self-demagnetization effects and remanent magnetization. This algorithm is generally applicable for tackling the large-scale inversion problem in the presence of self-demagnetization and remanent magnetization. It can be used to recover the fine 3D distribution of subsurface magnetic susceptibility.


The proposed PDE algorithm does not depend on specific prior geologic information. We hope it can be further applied and researched for more data interpretation in more areas with analogous exploration targets and challenges.

Boxin Zuo
China University of Geosciences

Read the Original

This page is a summary of: 3D magnetic amplitude inversion in the presence of self-demagnetization and remanent magnetization, Geophysics, September 2019, Society of Exploration Geophysicists,
DOI: 10.1190/geo2018-0514.1.
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