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Complex carbonaceous matter in Tissint martian meteorites give insights into the diversity of organic geochemistry on Mars.
Sci. Adv. 9:eadd6439 (2023)
We report a huge organic diversity in the Tissint Mars meteorite and the sampling of several mineralogical lithologies, which revealed that the organic molecules were nonuniformly distributed in functionality and abundance. The range of organics in Tissint meteorite were abundant C3-7 aliphatic branched carboxylic acids and aldehydes, olefins, and polyaromatics with and without heteroatoms in a homologous oxidation structural continuum. Organomagnesium compounds were extremely abundant in olivine macrocrystals and in the melt veins, reflecting specific organo-synsthesis processes in close interaction with the magnesium silicates and temperature stresses, as previously observed. The diverse chemistry and abundance in complex molecules reveal heterogeneity in organic speciation within the minerals grown in the martian mantle and crust that may have evolved over geological time.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Gale Crater; Petrogenesis; Subsurface; Atmosphere; Molecules; Recovery; Methane; Allende; Origin
ISSN (print) / ISBN
2375-2548
e-ISSN
2375-2548
Zeitschrift
Science Advances
Quellenangaben
Band: 9,
Heft: 2,
Artikelnummer: eadd6439
Verlag
American Association for the Advancement of Science (AAAS)
Verlagsort
Washington, DC [u.a.]
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Research Unit Analytical BioGeoChemistry (BGC)
Förderungen
Deutsche Forschungsgemeinschaft (DFG, German Research foundation)