(A) CRISM spectra from several images compared to lab spectra of clay minerals, (B) mineral indicator map of CRISM image 43EC (~10 km across) draped over MOLA terrain with 10X vertical exaggeration where several of the spectra were collected, and (C) a HiRISE image showing the transition from the smectite we see in many regions to hydrated silica we see surrounding this on the higher edges.
