(a) showing contact between L and F1, with F1 embaying L (white arrows).
. See text for discussion. Aeolis Serpens (red trace).
Illumination from top left highlights overriding of L by F1.
Fractures in F1 parallel contact with L.

(b) With PEDR to highlight topographically highstanidng 
outcrop of L embayed by F1.
Color range for PEDR spots is -2040m (red) to -2500m (light pink).