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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Nickel on Mars: Constraints on meteoritic material at the surface
Authors: Yen, Albert S
Mittlefehldt, David W
McLennan, Scott M
Gellert, Ralf
Bell, III James F
McSween, Harry Y
Ming, Douglas Wayne
McCoy, Timothy J
Morris, Richard Van
Golombek, Matthew
Economou, Thanasis E Tom
Madsen, Morten Bo
Wdowiak, Thomas J
Clark, Benton C
Jolliff, Bradley L
Schröder, Christian
Brueckner, Johannes
Zipfel, Jutta
Squyres, Steven W
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Keywords: Mars
Alpha Particle X-ray Spectrometer
meteoritic contribution
Issue Date: 15-Dec-2006
Publisher: American Geophysical Union
Citation: Yen AS, Mittlefehldt DW, McLennan SM, Gellert R, Bell III JF, McSween HY, Ming DW, McCoy TJ, Morris RV, Golombek M, Economou TET, Madsen MB, Wdowiak TJ, Clark BC, Jolliff BL, Schröder C, Brueckner J, Zipfel J & Squyres SW (2006) Nickel on Mars: Constraints on meteoritic material at the surface, Journal of Geophysical Research: Planets, 111 (E12), Art. No.: E12S11.
Abstract: Impact craters and the discovery of meteorites on Mars indicate clearly that there is meteoritic material at the Martian surface. The Alpha Particle X-ray Spectrometers (APXS) on board the Mars Exploration Rovers measure the elemental chemistry of Martian samples, enabling an assessment of the magnitude of the meteoritic contribution. Nickel, an element that is greatly enhanced in meteoritic material relative to samples of the Martian crust, is directly detected by the APXS and is observed to be geochemically mobile at the Martian surface. Correlations between nickel and other measured elements are used to constrain the quantity of meteoritic material present in Martian soil and sedimentary rock samples. Results indicate that analyzed soils samples and certain sedimentary rocks contain an average of 1% to 3% contamination from meteoritic debris.
Type: Journal Article
DOI Link:
Rights: Copyright 2006 by the American Geophysical Union. AGU allows authors to deposit their journal articles if the version is the final published citable version of record, the AGU copyright statement is clearly visible on the posting, and the posting is made 6 months after official publication by the AGU.
Affiliation: California Institute of Technology
National Aeronautics and Space Administration (NASA)
State University of New York At Stony Brook
University of Guelph
Cornell University
University of Tennessee
National Aeronautics and Space Administration (NASA)
National Aeronautics and Space Administration (NASA)
California Institute of Technology
University of Chicago
University of Copenhagen
University of Alabama at Birmingham
Lockheed Martin Corporation
Washington University In Saint Louis
Biological and Environmental Sciences
Max Planck Institute of Chemistry
Senckenberg Museum
Cornell University

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