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  Organic synthesis associated with serpentinization and carbonation on early Mars

Steele, A., Benning, L. G., Wirth, R., Schreiber, A., Araki, T., McCubbin, F., Fries, M., Nittler, L., Wang, J., Hallis, L., Conrad, P., Conley, C., Vitale, S., O'Brien, A., Riggi, V., Rogers, K. (2022): Organic synthesis associated with serpentinization and carbonation on early Mars. - Science, 375, 6577, 172-177.
https://doi.org/10.1126/science.abg7905

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Steele, A.1, Autor
Benning, Liane G.2, Autor              
Wirth, R.2, Autor              
Schreiber, Anja2, Autor              
Araki, T. 1, Autor
McCubbin, F.M.1, Autor
Fries, M.D.1, Autor
Nittler, L.R.1, Autor
Wang, J. 1, Autor
Hallis, L.J.1, Autor
Conrad, P.G.1, Autor
Conley, C.1, Autor
Vitale, S.1, Autor
O'Brien, A.C.1, Autor
Riggi, V.1, Autor
Rogers, K.1, Autor
Affiliations:
1External Organizations, ou_persistent22              
23.5 Interface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_754888              

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 Zusammenfassung: Water-rock interactions are relevant to planetary habitability, influencing mineralogical diversity and the production of organic molecules. We examine carbonates and silicates in the martian meteorite Allan Hills 84001 (ALH 84001), using colocated nanoscale analyses, to characterize the nature of water-rock reactions on early Mars. We find complex refractory organic material associated with mineral assemblages that formed by mineral carbonation and serpentinization reactions. The organic molecules are colocated with nanophase magnetite; both formed in situ during water-rock interactions on Mars. Two potentially distinct mechanisms of abiotic organic synthesis operated on early Mars during the late Noachian period (3.9 to 4.1 billion years ago).

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 Datum: 20212022-01-13
 Publikationsstatus: Final veröffentlicht
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 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1126/science.abg7905
GFZPOF: p4 T5 Future Landscapes
GFZPOFWEITERE: p4 MESI
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Titel: Science
Genre der Quelle: Zeitschrift, SCI, Scopus
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 375 (6577) Artikelnummer: - Start- / Endseite: 172 - 177 Identifikator: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals442
Publisher: American Association for the Advancement of Science (AAAS)