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In this chapter, we publish code comparisons and validations for magnetics and magnetic gradiometry modeling packages. In SimPEG, the SimPEG.potential_fields.magnetics module is used for modeling magnetics and gradiometry data.
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Global scale magnetic anomalies over Africa ([image source](https://upload.wikimedia.org/wikipedia/commons/a/a4/Bangui_anomaly.JPG))
3D Forward Simulation of Total Magnetic Intensity Data
3D Forward Simulation of Magnetic Gradiometry Data
3D Inversion of TMI Data to Recover a Susceptibility Model