Analysis of Calcium Sulfate-Cemented Sandstones and Veins Along the MSL Traverse, Gale Crater, Mars

A. M. Baker , G. E. Ganter , M. A. Nellessen , H. E. Newsom (1) , R. S. Jackson , M. Nachon , F. Rivera-Hernandez , J. Williams , R. C. Wiens (2) , J. Frydenvang , P. Gasda (2) , N. Lanza , A. Ollila , S. Clegg (2) , O. Gasnault (3) , S. Maurice (3) , P.-Y. Meslin , A. Cousin , W. Rapin , J. Lasue , O. Forni , J. L'Haridon , D. Blaney (4) , V. Payre , N. Mangold (5) , L. Ledeit (5) , R. Anderson

1 IOM - Institute of Meteoritics [Albuquerque]
2 LANL - Los Alamos National Laboratory
3 IRAP - Institut de recherche en astrophysique et planétologie
4 JPL - Jet Propulsion Laboratory
5 LPG - Laboratoire de Planétologie et Géodynamique [UMR 6112]

We have confirmed the likely presence of Ca-S cement (interpenetrating a silicate matrix) in many ChemCam analyses using the typical 25 dust free shots on each target point to assess homogeneity of targets that are a mixture of Ca-S and silicate.

Domaines: Planétologie

A. M. Baker, G. E. Ganter, M. A. Nellessen, H. E. Newsom, R. S. Jackson, et al.. Analysis of Calcium Sulfate-Cemented Sandstones and Veins Along the MSL Traverse, Gale Crater, Mars. Ninth International Conference on Mars, Jul 2019, Pasadena, United States. ⟨hal-02411422⟩