Organic synthesis associated with serpentinization and carbonation on early Mars-Reference-Cited by-同舟云学术

Organic synthesis associated with serpentinization and carbonation on early Mars

Published:2022-01-14 Issue:6577 Volume:375 Page:172-177
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Steele A.¹^ORCID,Benning L. G.²³^ORCID,Wirth R.²,Schreiber A.²,Araki T.⁴^ORCID,McCubbin F. M.⁵^ORCID,Fries M. D.⁵,Nittler L. R.¹^ORCID,Wang J.¹^ORCID,Hallis L. J.⁶^ORCID,Conrad P. G.¹^ORCID,Conley C.⁷,Vitale S.¹^ORCID,O’Brien A. C.⁶^ORCID,Riggi V.¹,Rogers K.⁸^ORCID

Affiliation:

1. Carnegie Institution for Science, Earth and Planets Laboratory, Washington, DC 20015, USA.

2. Deutsches GeoForschungsZentrum, Telegrafenberg, 14473 Potsdam, Germany.

3. Department of Earth Sciences, Free University of Berlin, 12249 Berlin, Germany.

4. Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK.

5. NASA Johnson Space Center, Houston, TX 77058, USA.

6. School of Geographical and Earth Science, University of Glasgow, Glasgow G12 8QQ, UK.

7. NASA Ames Research Center, Mountain View, CA 94035, USA.

8. Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.

Abstract

Abiotic formation of organic molecules Mars rovers have found complex organic molecules in the ancient rocks exposed on the planet’s surface and methane in the modern atmosphere. It is unclear what processes produced these organics, with proposals including both biotic and abiotic sources. Steele et al . analyzed the nanoscale mineralogy of the Mars meteorite ALH 84001 and found evidence of organic synthesis driven by serpentinization and carbonation reactions that occurred during the aqueous alteration of basalt rock by hydrothermal fluids. The results demonstrate that abiotic production of organic molecules operated on Mars 4 billion years ago. —KTS

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference59 articles.

1. The Age of the Carbonates in Martian Meteorite ALH84001

2. A Younger Age for ALH84001 and Its Geochemical Link to Shergottite Sources in Mars

3. ALH84001, a cumulate orthopyroxenite member of the martian meteorite clan

4. Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001

5. Comprehensive imaging and Raman spectroscopy of carbonate globules from Martian meteorite ALH 84001 and a terrestrial analogue from Svalbard

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