The HO and CO adsorption properties of phyllosilicate-poor palagonitic dust and smectites under martian environmental conditions

The recent detection of up to ∼10 wt.% water-equivalent H heterogeneously distributed in the upper meter of the equatorial regions of the martian surface and the presence of the 3-μm hydrations feature across the entire planet raises the question whether martian surficial dust can account for this w...

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Veröffentlicht in:Icarus (New York, N.Y. 1962) N.Y. 1962), 2009-03, Vol.200 (2)
Hauptverfasser: Jänchen, Jochen, Morris, Richard V., Bish, David L., Janssen, Mareike, Hellwig, Udo
Format: Artikel
Sprache:eng
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Zusammenfassung:The recent detection of up to ∼10 wt.% water-equivalent H heterogeneously distributed in the upper meter of the equatorial regions of the martian surface and the presence of the 3-μm hydrations feature across the entire planet raises the question whether martian surficial dust can account for this water-equivalent H. We have investigated the HO and CO adsorption properties of palagonitic dust (
ISSN:0019-1035
1090-2643
DOI:10.1016/j.icarus.2008.12.006