Publication Type: Journal Article Year of Publication: 2009 Authors: Ryan, W B F; Carbotte, S M; Coplan, J O; O'Hara, S; Melkonian, A; Arko, R; Weissel, RA; Ferrini, V; Goodwillie, A; Nitsche, F; Bonczkowski, J; Zemsky, R Journal Title: Geochemistry, Geophysics, Geosystems Volume: 10