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Fig. 1 | Swiss Journal of Geosciences

Fig. 1

From: Seismic anisotropy of Opalinus Clay: tomographic investigations using the infrastructure of an underground rock laboratory (URL)

Fig. 1

Map of the central part of the Mont Terri Laboratory (A) which covers the geological units: shaly, sandy, carbonate-rich sandy (crs) facies and the Main Fault (MF) at a height of 515 m. The geological units dip towards SSW with \(\sim 45^\circ\). The markers represent the receivers (yellow triangles) and shot points (red stars). The gray dotted line follows the shot point profile, starting at SP12 and ending at SP31 (SP23 is not part of this profile). Receiver 9 is marked for the example receiver gather shown in Fig. 3. The sketch of the URL (B) shows the location of the pilot survey (red) and the area for the tomographic study (blue)

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