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Houston, TX Full Time Posted by: NASA Posted: Tuesday, 2 March 2021
 
 

The objectives of this research are to search for and identify chemical weathering and/or aqueous alteration products on the surface of Mars using data returned from past, current, and future missions (eg, Mars Exploration Rovers, Mars Reconnaissance Orbiter, Phoenix Mars Lander, and Mars Science Laboratory). Studies are also underway to establish datasets on the mineralogical, chemical, spectral, magnetic, and physical properties of Mars analog materials to aid in the interpretation of data returned from Mars robotic missions. The overall intent of this research is to provide a better understanding of the geological processes responsible for the formation of Martian soils and other potential chemical weathering or aqueous alteration products (eg, phyllosilicates, sulfates, Fe-oxyhydroxides, carbonates, zeolites). The identification and understanding of the formation processes for chemical weathering are keys to defining the environmental conditions under which these phases formed and aid in the characterization of the environment as a habitable zone.
Research projects in Mars surface mineralogy and chemistry are encouraged, especially phyllosilicates, carbonate, sulfate, and Fe-oxyhydroxide mineralogy and mineral synthesis studies. Experimental and analytical facilities include X-ray diffraction analysis, infrared spectroscopy, Mossbauer spectroscopy, electron microscopy (SEM, TEM, EMPA), thermal analysis, and wet chemistry analysis (AAS, IC).
References:
Sutter, B., et al., Journal of Geophysical Research-Planets, Vol. 122, p. 2574-2609, doi:10.1002/2016JE005225, 2017.
Peretyazhko, T. S., P. B. Niles, B. Sutter, R. V. Morris, and D. W. Ming. Geochemica et Cosmochemica Acta, Vol. 220, pp. 248-260, doi.org/10.1016/j.gca.2017.10.004, 2017.
Ming, D.W., et al., Science, Vol. 483, doi:10.1126/science.1245267, 2014.
Ming, D.W., et al., Journal of Geophysical Research, Vol. 113, E12S39, doi:10.1029/2008JE003195, 2008.
Ming, D.W. et al., Journal of Geophysical Research, Vol. 111, E02S12, doi:10.1029/2005JE002560, 2006.


Houston, TX, United States of America
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NASA
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JS7750_8084480
3/2/2021 5:25:09 PM


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