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Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Influence of rheologically weak layers on fault architecture: insights from analogue models in the context of the Northern Alpine Foreland Basin

Fig. 3

Model set-up. a 3D sketch of basic model set-up. b Section view sketches depicting the different kinematics we apply in our models (pure normal dip-slip, 45° oblique normal dip-slip and pure dextral strike-slip along the basal fault). c Top view sketch of model set-up. d Different types of weak layers applied in our models. Note that the total model thickness is always kept at 6.5 cm, translating to 650 m in nature (Fig. 2b). e Definition of slip direction on the basal fault as applied in our models. ds: pure (normal) dip-slip (0°), os: (45°) (dextral) oblique normal slip, ss: (pure dextral) strike-slip (90°). Note that the oblique normal slip is a combination of pure normal dip slip and pure strike-slip, the combined vector of which yields the required oblique slip direction. Slip rates applied in our models are defined in the direction of slip. Qz quartz, VD velocity discontinuity

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