The Composition of Geological-Scale Features Resolved by MESSENGER’s X-Ray Spectrometer

Elizabeth Frank, Carnegie Institution for Science Washington, Washington, DC, United States, Larry R Nittler, Carnegie Inst Washington, Washington, DC, United States, Audrey Vorburger, American Museum of Natural History, New York, NY, United States, Shoshana Weider, Carnegie Institution, Washington, DC, United States, Richard D Starr, Catholic University of America, Washington, DC, United States and Sean C Solomon, Columbia University of New York, Palisades, NY, United States