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Soil Diversity and Hydration as Observed by ChemCam at Gale Crater, Mars

Creator:

Meslin, P.-Y., Gasnault, O., Forni, O., Schröder, S., Cousin, A., Berger, G., Clegg, S. M., Lasue, J., Maurice, S., Sautter, V., Le Mouélic, S., Wiens, R. C., Fabre, C., Goetz, W., Bish, D., Mangold, N., Ehlmann, B., Lanza, N., Harri, A.-M., Anderson, R., Rampe, E., McConnochie, T. H., Pinet, P., Blaney, D., Léveillé, R., Archer, D., Barraclough, B., Bender, S., Blake, D., Blank, J. G., Bridges, N., Clark, B. C., DeFlores, L., Delapp, D., Dromart, G., Dyar, M. D., Fisk, M., Gondet, B., Grotzinger, J., Herkenhoff, K., Johnson, J., Lacour, J.-L., Langevin, Y., Leshin, L., Lewin, E., Madsen, M. B., Melikechi, N., Mezzacappa, A., Mischna, M. A., Moores, J. E., Newsom, H., Ollila, A., Perez, R., Renno, N., Sirven, J.-B., Tokar, R., de la Torre, M., d’Uston, L., Vaniman, D., Yingst, A., and MSL Science Team

Abstract:

Abstract: The ChemCam instrument, which provides insight into martian soil chemistry at the submillimeter scale, identified two principal soil types along the Curiosity rover traverse: a fine-grained mafic type and a locally derived, coarse-grained felsic type. The mafic soil component is representative of widespread martian soils and is similar in...

Resource Type:

Article
Curiosity at Gale Crater, Mars: Characterization and Analysis of the Rocknest Sand Shadow

Creator:

Blake, D. F., Morris, R. V., Kocurek, G., Morrison, S. M., Downs, R. T., Bish, D., Ming, D. W., Edgett, K. S., Rubin, D., Goetz, W., Madsen, M. B., Sullivan, R., Gellert, R., Campbell, I., Treiman, A. H., McLennan, S. M., Yen, A. S., Grotzinger, J., Vaniman, D. T., Chipera, S. J., Achilles, C. N., Rampe, E. B., Sumner, D., Meslin, P.-Y., Maurice, S., Forni, O., Gasnault, O., Fisk, M., Schmidt, M., Mahaffy, P., Leshin, L. A., Glavin, D., Steele, A., Freissinet, C., Navarro-González, R., Yingst, R. A., Kah, L. C., Bridges, N., Lewis, K. W., Bristow, T. F., Farmer, J. D., Crisp, J. A., Stolper, E. M., Des Marais, D. J., Sarrazin, P., and MSL Science Team

Abstract:

The Rocknest aeolian deposit is similar to aeolian features analyzed by the Mars Exploration Rovers (MERs) Spirit and Opportunity. The fraction of sand <150 micrometers in size contains ~55% crystalline material consistent with a basaltic heritage and ~45% x-ray amorphous material. The amorphous component of Rocknest is iron-rich and silicon-poor...

Resource Type:

Article