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Phyllosilicate-bearing deposits along the Mawrth Vallis channel. (A and B) CRISM spectra compared to lab spectra of phyllosilicates and other hydrated phases. (C and D) Mineral indicator maps of CRISM images FRT00003BFB (C) and HRL0000285A (D) draped over MOLA terrain with ×10 vertical enhancement showing Fe/Mg-smectites (orange/red), Al-phyllosilicates and hydrated silica (blue), and Fe2+-bearing phases (yellow/green).
