Manganese-and phosphorus-rich nodules in gale crater , mars : apxs results from the groken drill site

FROM THE GROKEN DRILL SITE. J.A. Berger1*, S.J.V. VanBommel2, B.C. Clark3, R. Gellert4, C.H. House5, P.L. King6, M.A. McCraig4, D.W. Ming1, C.D. O’Connell-Cooper7, M.E. Schmidt8, L.M. Thompson7, A.S. Yen9. 1NASA Johnson Space Center, Houston, USA; 2Washington University in St. Louis, St. Louis, USA; 3Space Science Institute, Boulder, USA; 4University of Guelph, Guelph, CAN; 5Penn State, University Park, USA; 6Australian National University, Canberra, AUS; 7University of New Brunswick, Fredericton, CAN; 8Brock University, St. Catharines, CAN; 9JPL-Caltech, Pasadena, USA; *jeffrey.a.berger@nasa.gov.