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

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.; MSL Science Team

Citeable URL: https://ir.library.oregonstate.edu/concern/articles/gt54kp49q

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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. 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 composition to the martian dust. It possesses a ubiquitous hydrogen signature in ChemCam spectra, corresponding to the hydration of the amorphous phases found in the soil by the CheMin instrument. This hydration likely accounts for an important fraction of the global hydration of the surface seen by previous orbital measurements. ChemCam analyses did not reveal any significant exchange of water vapor between the regolith and the atmosphere. These observations provide constraints on the nature of the amorphous phases and their hydration. Keywords: Water, Allophane, Chemistry, X-ray spectrometer, Surface, Instrument suite, Chemical composition, Emission spectrometer data, Hydrous minerals, Martian Regolith
Resource Type	Article
DOI	https://doi.org/10.1126/science.1238670
Fecha Disponible	2013-10-29T16:09:33+00:00
Fecha de Emisión	2013-09-27
Citation	Meslin, P., Sautter, V., Le Mouélic, S., Wiens, R. C., Fabre, C., Goetz, W., . . . MSL Sci Team. (2013). Soil diversity and hydration as observed by ChemCam at gale crater, mars. Science (New York, N.Y.), 341(6153), 1238670. doi:10.1126/science.1238670
Journal Title	Science
Journal Volume	341
Journal Issue/Number	6153
Declaración de derechos	Copyright Not Evaluated
Funding Statement (additional comments about funding)	This research was carried out with funding from the Centre National d'Etudes Spatiales (CNES). Work in the United States was carried out under contract from NASA’s Mars Program Office. W.G. acknowledges partial funding from Deutsche Forschungsgemeinschaft grant GO 2288/1-1.
Publisher	American Association for the Advancement of Science
Peer Reviewed	Yes
Language	English [eng]
Replaces	http://hdl.handle.net/1957/43513

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

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

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