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Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover.

Leshin, L A and Mahaffy, P R and Webster, C R and Cabane, M and Coll, P and Conrad, P G and Archer, P D and Atreya, S K and Brunner, A E and Buch, A and Eigenbrode, J L and Flesch, G J and Franz, H B and Freissinet, C and Glavin, D P and McAdam, A C and Miller, K E and Ming, D W and Morris, R V and Navarro-González, R and Niles, P B and Owen, T and Pepin, R O and Squyres, S and Steele, A and Stern, J C and Summons, R E and Sumner, D Y and Sutter, B and Szopa, C and Teinturier, S and Trainer, M G and Wray, J J and Grotzinger, J P and the MSL Science Team and DLR Collaborator, Reitz G (2013) Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover. Science, 341 (6153), p. 1238937. American Association for the Advancement of Science (AAAS). ISSN 0036-8075

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Abstract

Samples from the Rocknest aeolian deposit were heated to ~835°C under helium flow and evolved gases analyzed by Curiosity's Sample Analysis at Mars instrument suite. H2O, SO2, CO2, and O2 were the major gases released. Water abundance (1.5 to 3 weight percent) and release temperature suggest that H2O is bound within an amorphous component of the sample. Decomposition of fine-grained Fe or Mg carbonate is the likely source of much of the evolved CO2. Evolved O2 is coincident with the release of Cl, suggesting that oxygen is produced from thermal decomposition of an oxychloride compound. Elevated δD values are consistent with recent atmospheric exchange. Carbon isotopes indicate multiple carbon sources in the fines. Several simple organic compounds were detected, but they are not definitively martian in origin.

Item URL in elib:https://elib.dlr.de/87319/
Document Type:Article
Title:Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover.
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Leshin, L ADepartment of Earth and Environmental Sciences and School of Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. leshin (at) rpi.eduUNSPECIFIED
Mahaffy, P RUNSPECIFIEDUNSPECIFIED
Webster, C RUNSPECIFIEDUNSPECIFIED
Cabane, MUNSPECIFIEDUNSPECIFIED
Coll, PUNSPECIFIEDUNSPECIFIED
Conrad, P GUNSPECIFIEDUNSPECIFIED
Archer, P DUNSPECIFIEDUNSPECIFIED
Atreya, S KUNSPECIFIEDUNSPECIFIED
Brunner, A EUNSPECIFIEDUNSPECIFIED
Buch, AUNSPECIFIEDUNSPECIFIED
Eigenbrode, J LUNSPECIFIEDUNSPECIFIED
Flesch, G JUNSPECIFIEDUNSPECIFIED
Franz, H BUNSPECIFIEDUNSPECIFIED
Freissinet, CUNSPECIFIEDUNSPECIFIED
Glavin, D PUNSPECIFIEDUNSPECIFIED
McAdam, A CUNSPECIFIEDUNSPECIFIED
Miller, K EUNSPECIFIEDUNSPECIFIED
Ming, D WUNSPECIFIEDUNSPECIFIED
Morris, R VUNSPECIFIEDUNSPECIFIED
Navarro-González, RUNSPECIFIEDUNSPECIFIED
Niles, P BUNSPECIFIEDUNSPECIFIED
Owen, TUNSPECIFIEDUNSPECIFIED
Pepin, R OUNSPECIFIEDUNSPECIFIED
Squyres, SUNSPECIFIEDUNSPECIFIED
Steele, AUNSPECIFIEDUNSPECIFIED
Stern, J CUNSPECIFIEDUNSPECIFIED
Summons, R EUNSPECIFIEDUNSPECIFIED
Sumner, D YUNSPECIFIEDUNSPECIFIED
Sutter, BUNSPECIFIEDUNSPECIFIED
Szopa, CUNSPECIFIEDUNSPECIFIED
Teinturier, SUNSPECIFIEDUNSPECIFIED
Trainer, M GUNSPECIFIEDUNSPECIFIED
Wray, J JUNSPECIFIEDUNSPECIFIED
Grotzinger, J P and the MSL Science TeamUNSPECIFIEDUNSPECIFIED
DLR Collaborator, Reitz GRadiation Biology Department, Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany.UNSPECIFIED
Date:2013
Journal or Publication Title:Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:341
Page Range:p. 1238937
Publisher:American Association for the Advancement of Science (AAAS)
ISSN:0036-8075
Status:Published
Keywords:Mars, Curiosity rover, organic analysis
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben MSL-Radiation
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:23 Jan 2014 09:51
Last Modified:08 Mar 2018 18:50

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