Spectral fits illustrating examples of outlier behavior among the modeled ROIs. ROI #6 displays elevated residuals and complex spectral mixing dominated by NaCl and acid hydrates; ROI #20 exhibits an atypical sulfate-rich composition consistent with spectral characteristics commonly associated with irradiation or chemical alteration; and ROI #15 shows balanced contributions from granular and slab-like ice, indicating intermediate best-fit compositional mixtures. These examples demonstrate the range of spectral diversity captured by the linear unmixing analysis and underscore that not all terrains conform to the dominant slab-ice compositional pattern observed across Ganymede’s cryovolcanic candidate regions.