Oxidation of Manganese at Kimberley, Gale Crater: More Free Oxygen in Mars' Past?

N. L. Lanza*, R. C. Wiens, R. E. Arvidson, B. C. Clark, W. W. Fischer, R. Gellert, J. P. Grotzinger, J. A. Hurowitz, S. M. McLennan, R. V. Morris, M. S. Rice, J. F. Bell, J. A. Berger, D. L. Blaney, J. G. Blank, N. T. Bridges, F. Calef, J. L. Campbell, S. M. Clegg, A. CousinK. S. Edgett, C. Fabre, M. R. Fisk, O. Forni, J. Frydenvang, K. R. Hardy, C. Hardgrove, J. R. Johnson, L. C. Kah, J. Lasue, S. Le Mouelic, M. C. Malin, N. Mangold, J. Martin-Torres, S. Maurice, M. J. McBride, D. W. Ming, H. E. Newsom, S. Schroder, L. M. Thompson, A. H. Treiman, S. VanBommel, D. T. Vaniman, M. -P. Zorzano

*Corresponding author for this work

Research output: Contribution to conferenceUnpublished paper


High Mn concentrations provide unique indicators of water-rich environments and their redox states. Very high-potential oxidants are required to oxidize Mn to insoluble, high-valence oxides that concentrate Mn in rocks and sediments; these redox potentials are much higher than those needed to oxidize Fe or S.
Original languageEnglish
Number of pages2
Publication statusPublished - Mar 2015
Event46th Lunar and Planetary Science Conference - The Woodlands, United States
Duration: 16 Mar 201520 Mar 2015


Conference46th Lunar and Planetary Science Conference
Country/TerritoryUnited States
CityThe Woodlands
Internet address

Bibliographical note

LPI Contribution No. 1832, p.2893


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