NASA NTRS · 20160003477
Modeling of Sulfide Microenvironments on Mars
Abstract
Yellowknife Bay (YKB; sol 124-198) is the second site that the Mars Science Laboratory Rover Curiosity investigated in detail on its mission in Gale Crater. YKB represents lake bed sediments from an overall neutral pH, low salinity environment, with a mineralogical composition which includes Ca-sulfates, Fe oxide/hydroxides, Fe-sulfides, amorphous material, and trioctahedral phyllosilicates. We investigate whether sulfide alteration could be associated with ancient habitable microenvironments in the Gale mudstones. Some textural evidence for such alteration may be pre-sent in the nodules present in the mudstone.
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Schwenzer, S. P., Bridges, J. C., McAdam, A., Steer, E. D., Conrad, P. G., Kelley, S. P., Wiens, R. C., Mangold, N., Grotzinger, J., Eigenbrode, J. L., Franz, H. B., Sutter, B.. 2016-03-21. Modeling of Sulfide Microenvironments on Mars. https://ntrs.nasa.gov/citations/20160003477
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