PMID- 30402538
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20191120
IS  - 2375-2548 (Electronic)
IS  - 2375-2548 (Linking)
VI  - 4
IP  - 10
DP  - 2018 Oct
TI  - Organic synthesis on Mars by electrochemical reduction of CO(2).
PG  - eaat5118
LID - 10.1126/sciadv.aat5118 [doi]
LID - eaat5118
AB  - The sources and nature of organic carbon on Mars have been a subject of intense 
      research. Steele et al. (2012) showed that 10 martian meteorites contain 
      macromolecular carbon phases contained within pyroxene- and olivine-hosted melt 
      inclusions. Here, we show that martian meteorites Tissint, Nakhla, and NWA 1950 
      have an inventory of organic carbon species associated with fluid-mineral 
      reactions that are remarkably consistent with those detected by the Mars Science 
      Laboratory (MSL) mission. We advance the hypothesis that interactions among 
      spinel-group minerals, sulfides, and a brine enable the electrochemical reduction 
      of aqueous CO(2) to organic molecules. Although documented here in martian 
      samples, a similar process likely occurs wherever igneous rocks containing 
      spinel-group minerals and/or sulfides encounter brines.
FAU - Steele, A
AU  - Steele A
AUID- ORCID: 0000-0001-9643-2841
AD  - Carnegie Institution for Science, Geophysical Laboratory, Washington, DC 20015, 
      USA.
FAU - Benning, L G
AU  - Benning LG
AUID- ORCID: 0000-0001-9972-5578
AD  - German Research Centre for Geosciences, GFZ, Telegrafenberg, 14473 Potsdam, 
      Germany.
AD  - Department of Earth Sciences, Free University of Berlin, 12249 Berlin, Germany.
AD  - School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK.
FAU - Wirth, R
AU  - Wirth R
AD  - German Research Centre for Geosciences, GFZ, Telegrafenberg, 14473 Potsdam, 
      Germany.
FAU - Siljestrom, S
AU  - Siljestrom S
AUID- ORCID: 0000-0002-4975-6074
AD  - RISE Research Institutes of Sweden, Bioscience and Materials/Chemistry, Materials 
      and Surfaces, Box 5607, 114 86 Stockholm, Sweden.
FAU - Fries, M D
AU  - Fries MD
AD  - NASA, Johnson Space Center, Houston, TX 77058, USA.
FAU - Hauri, E
AU  - Hauri E
AUID- ORCID: 0000-0002-7449-4774
AD  - Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 
      Broad Branch Rd, Washington, DC 20015, USA.
FAU - Conrad, P G
AU  - Conrad PG
AUID- ORCID: 0000-0001-5724-3343
AD  - Carnegie Institution for Science, Geophysical Laboratory, Washington, DC 20015, 
      USA.
FAU - Rogers, K
AU  - Rogers K
AUID- ORCID: 0000-0001-7588-4603
AD  - Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th 
      Street, Troy, NY 12180, USA.
FAU - Eigenbrode, J
AU  - Eigenbrode J
AUID- ORCID: 0000-0003-3089-1986
AD  - NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
FAU - Schreiber, A
AU  - Schreiber A
AD  - German Research Centre for Geosciences, GFZ, Telegrafenberg, 14473 Potsdam, 
      Germany.
FAU - Needham, A
AU  - Needham A
AUID- ORCID: 0000-0003-1983-2774
AD  - USRA-Science and Technology Institute, 320 Sparkman Drive, Huntsville, AL 35805, 
      USA.
FAU - Wang, J H
AU  - Wang JH
AUID- ORCID: 0000-0002-7671-2413
AD  - Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 
      Broad Branch Rd, Washington, DC 20015, USA.
FAU - McCubbin, F M
AU  - McCubbin FM
AD  - NASA, Johnson Space Center, Houston, TX 77058, USA.
FAU - Kilcoyne, D
AU  - Kilcoyne D
AUID- ORCID: 0000-0002-8805-8690
AD  - Advanced Light Source, 1 Cyclotron Road, MS 7R0222, LBNL, Berkeley, CA 94720, 
      USA.
FAU - Rodriguez Blanco, Juan Diego
AU  - Rodriguez Blanco JD
AUID- ORCID: 0000-0001-5978-3001
AD  - School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK.
AD  - ICRAG, Department of Geology, Trinity College Dublin, Dublin 2, Ireland.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PT  - Research Support, U.S. Gov't, Non-P.H.S.
DEP - 20181031
PL  - United States
TA  - Sci Adv
JT  - Science advances
JID - 101653440
PMC - PMC6209388
EDAT- 2018/11/08 06:00
MHDA- 2018/11/08 06:01
PMCR- 2018/10/31
CRDT- 2018/11/08 06:00
PHST- 2018/03/06 00:00 [received]
PHST- 2018/09/25 00:00 [accepted]
PHST- 2018/11/08 06:00 [entrez]
PHST- 2018/11/08 06:00 [pubmed]
PHST- 2018/11/08 06:01 [medline]
PHST- 2018/10/31 00:00 [pmc-release]
AID - aat5118 [pii]
AID - 10.1126/sciadv.aat5118 [doi]
PST - epublish
SO  - Sci Adv. 2018 Oct 31;4(10):eaat5118. doi: 10.1126/sciadv.aat5118. eCollection 
      2018 Oct.