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Swiss Journal of Geosciences
Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: A laboratory approach for the calibration of seismic data in the western part of the Swiss Molasse Basin: the case history of well Humilly-2 (France) in the Geneva area

Fig. 3

Orientation of the plugs relative to bedding and to borehole core. The arrows show the propagation direction of the seismic waves. Therefore \(\textit{V}_{\text {p}}(\text {X})\), \(\textit{V}_{\text {p}}(\text {Y})\) and \(\textit{V}_{\text {p}}(\text {Z})\) correspond to the velocities of compressional waves along X, Y and Z directions, respectively. For shear waves, we used the following convention: the two letters identify the polarization plane while the direction of propagation is indicated by the second letter. For example, \(\textit{V}_{\text {s}}(\text {XZ})\) is the velocity of a shear wave polarized in the XZ plane and traveling in the Z direction

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