Using Rover-analogous Methodology to Discriminate between Volcanic and Sedimentary Origins in Successions Dominated by Igneous Composition oleh R. Aileen Yingst, Julie K. Bartley, Barbara A. Cohen, Brian M. Hynek, Linda C. Kah, Richard Archer, Michael Lotto, Jennifer Tuggle Mooney, Justin L. Wang, Brittan Wogsland, Robert F. Coker