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Fig. 9 | Earth, Planets and Space

Fig. 9

From: Using TNT-NN to unlock the fast full spatial inversion of large magnetic microscopy data sets

Fig. 9

Comparison of SIRM magnetic sources within the ferromanganese crust thin section. All inversions were performed using TNT-NN. a The SIRM magnetic moments found using a dipole spacing of 200 \(\upmu\)m, and cropped to a 23.1 mm \(\times\) 24.1 mm field of view, b the SIRM magnetic moments found using a 23.1 mm \(\times\) 24.1 mm cropped view and a magnetic source resolution of half the sensor-to-sample distance (160 \(\upmu\)m dipole spacing), c the SIRM magnetic moments found using the full 30.1 mm \(\times\) 32.1 mm view and a magnetic source resolution of half the sensor-to-sample distance (160 \(\upmu\)m dipole spacing) shown using the same 23.1 mm \(\times\) 24.1 mm field of view as a and b, d solution residuals of a, e solution residuals of b, and f solution residuals of c. Dipole orientations are out of page and units are Am\(^2\) for ac and nT for df

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