Figure 3: Visualization of the geological model including geological raw data, interpolated shear zones and geophysical data.

(a) Mapped geological data along boreholes; (b) Final interpretation of the geological model; (c) Seismic tomography between AU- and VE Tunnel with indicated S3-shear zones and highly fractured zones; (d) GPR measurements from AU-tunnel with indicated S1-shear zones.