These indices are designed to search TES spectra for a spectral "doublet" found in certain dioctahedral clay minerals. Used in tandem, locations on Mars where both indices are elevated may host smectite clays. Used separately, the 465 index serves as a proxy for TES surface type 2 and the 530 index is sensitive to an olivine spectral feature. A full description is given in Ruff and Christensen, 2007. This paper is available for download using the following login ID and password: 98795779. Please use this citation when using the maps. MOLA shaded relief base courtesy of NASA/JPL/Goddard.

Image and numeric versions of the maps are available below.

465 Index TIF version ~50 Mb

465 Index over MOLA TIF version ~50 Mb

465 Index over MOLA JPG version ~5 Mb

465 Index grayscale (PNG) version ~11 Mb

465 Index RAW version ~66 Mb

465 Index ISIS version ~66 Mb

530 Index TIF version ~50 Mb

530 Index over MOLA TIF version ~50 Mb

530 Index over MOLA JPG version ~5 Mb

530 Index grayscale (PNG) version ~11 Mb

530 Index RAW version ~66 Mb

530 Index ISIS version ~66 Mb

back to home page