Fig. 7From: Structural analysis and susceptibility inversion based on ground magnetic data to map the chromite mineral resources: a case study of the Koh Safi Chromite Ore Deposit, Parwan, Afghanistana Observed data. b Calculated data for model norm [0,1,1,1]. c Spatial distribution of the normalized residual. d Tikhonov curve. e Convergence curves for the model norm [0,1,1,1] with model norm (\({\varphi }_{m}\)) in red and misfit (\({\varphi }_{d}\)) in blackBack to article page