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M. E. Schmidt, J. L. Campbell, R. Gellert, G. M. Perrett, A. H. Treiman, D. L. Blaney, A. Olilla, F. J. Calef III, L. Edgar, B. E. Elliott, J. Grotzinger, J. Hurowitz, P. L. King, M. E. Minitti, V. Sautter, K. Stack, J. A. Berger, J. C. Bridges, B. L. Ehlmann, O. Forni, L. A. Leshin, K. W. Lewis, S. M. McLennan, D. W. Ming, H. Newsom, I. Pradler, S. W. Squyres, E. M. Stolper, L. Thompson, S. VanBommel and R. C. Wiens Geochemical diversity in first rocks examined by the Curiosity Rover in Gale Crater: Evidence for and significance of an alkali and volatile-rich igneous source Journal of Geophysical Research: Planets 119

Version of Record online: 16 JAN 2014 | DOI: 10.1002/2013JE004481

Key Points

  • Rocks at the MSL landing site are diverse and alkali- and volatile metal-rich.
  • Three of the first four rocks studied by APXS form a mixing line in element plots.
  • The alkali-rich nature reflects an igneous source affected by metasomatism.

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