Visible and Near-ir Reflectance Spectra for Smectite , Sulfate and Perchlorate under Dry Conditions for Interpretation of Martian Surface Mineralogy

Abstract

Introduction: Visible and near-IR (VNIR) spectral data for the martian surface obtained from orbit by the MRO-CRISM and OMEGA instruments are interpreted as having spectral signatures of H 2 O/OH-bearing phases, including smectites and other phyl-losilicates, sulfates, and high-SiO 2 phases [e.g., 1-4]. Interpretations of martian spectral signatures are… (More)

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