f 2D Interpretation (graphical method or use of composition rules) for resistivity data

When an electrode configuration passes through the strike of dipping interface (e.g. fault) there is a shift in the curve of apparent resistivity. Zohdy (1969) gave an idea of graphical interpretation for such a case. This interpretation will be more analysed and will be applied in apparent resistivity curves of some soundings made in the delta of Sperchios river with Schlumberger configuration.