Figure 13

The Suleymankoy self-potential anomaly, Turkey. (a) Observed and calculated SP anomaly profile. (b) Derivatives of the observed SP anomaly. (c) Analytic signal amplitude. (d) Image (R-max = 0.9985 at q = 0.8, \(\theta\) = \(-130^{\circ }\), \(z_o\) = 27 m and \(x_o\) = 72 m).