SPECTRAL CHARACTERIZATION OF ANALOG SAMPLES IN ANTICIPATION OF OSIRIS - REx ’ S ARRIVAL

anhydrous silicate minerals (olivine is the most abundant mineral). (Bottom) Spectra of a physical mixture dominated by hydrated silicates (saponite and lizardite are the most abundant minerals). SPECTRAL CHARACTERIZATION OF ANALOG SAMPLES IN ANTICIPATION OF OSIRIS-REx’S ARRIVAL AT BENNU. K. L. Donaldson Hanna, D. L. Schrader, N. E. Bowles, B. E. Clark, E. A. Cloutis, H. C. Connolly Jr., V. E. Hamilton, L. P. Keller, D. S. Lauretta, L. F. Lim and T. J. McCoy, University of Oxford ([email protected]), Arizona State University, Ithaca College, University of Winnipeg, Rowan University, Southwest Research Institute, Johnson Space Center, University of Arizona, Goddard Spaceflight Center, Smithsonian Institution.