Lövenich / Kast fault.
Composite source DECS002 corresponds to the more or less east-west oriented faults (Figure S4) linking the Rurrand fault (DECS001) and the Erft/Swist fault (DECS003). It is a fault zone dipping to the south and accommodating a ~17.5 km wide left step that is similar in size to the left step represented by the Veldhoven fault (NLCS004) on the diametrically opposite side of the RVG (Figure S1). The map of Ahorner (1962) shows a very complex fault zone consisting of several discontinuous faults, the most important of which are the Lövenich fault in the west and the Kast fault in the east. The more recent map of Klostermann et al. (1990) shows a more simple geometry consisting of only two faults separated by a ~2 km wide right bend or step. We have adopted this geometry. The names of these faults are not indicated on the map, so we adopt the name Lövenich/Kast fault for the time being.
None
The vertical displacement rate was determined based on the map of Ahorner (1962) following the same procedure as outlined for DECS005. Thus, we obtain a rate of 0.012 – 0.021 mm/yr for DECS002.
| ID | Fault section | Offset (m) | Time period | Deformation rate (mm/yr) | Reference |
|---|---|---|---|---|---|
| 19 | Displacement of base of “Ältere Hauptterrasse” of the Rhine R. |
Mean: 31.3 (n=3) Max: 25 + 16 |
Since 2.0 – 2.58 Ma | 0.012 – 0.021 | Based on data from Ahorner (1962) |
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