James M Russell¹, Sylvia Dee², Alice M Doughty³, Sloane Garelick², Margaret S Jackson⁴, Meredith A Kelly⁴, Carrie Morrill⁵, Jamila Smith⁶, Nate Anderson⁴ and Bob Nakileza⁷, (1)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (2)Brown University, Providence, RI, United States, (3)Dartmouth College, Hanover, NH, United States, (4)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (5)University of Colorado at Boulder, Boulder, CO, United States, (6)State University of New York at Fredonia, Fredonia, NY, United States, (7)Makerere University, Mountain Resource Centre, Kampala, Uganda