Figure 7
From: Application of electrical resistivity tomography (ERT) for rock mass quality evaluation

Resistivity imaging interpreted by crushed/weathered rock (yellow color), integral/fresh rock (red color) and faults (dashed red lines) for: (a) the integration of three ERT profiles; (b) ground surface including (a); (c) 25 m depth including (a); (d) 50 m depth including (a); (e) 75 m depth including (a); and (f) 100 m depth (bottom) including (a).