The sliding sandstone layer is definitely quite thin compared to the overall dimensions of the slide, creating the narrow folds. Dimensions are exaggerated in the drawings, and a notable feature of the real slide is that very little downslope movement appears to have occurred–in other words, there is only a small gap between the headscarp and the slide mass. The rock avalanche moved downhill in a very different way, but it resulted from failure of generally the same part of the layer sequence, although it likely involved more sandstone layers than the thin one that produced the wrinkled slide.