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Micro-pyrites associated with organic material in ancient stromatolites: a new proxy attesting for their biogenicity

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Publications

Organo-mineral associations in chert of the 3.5 Ga Mount Ada Basalt raise questions about the origin of organic matter in Paleoarchean hydrothermally influenced sediments

Author(s): Julien Alleon, David T. Flannery, Nicola Ferralis, Kenneth H. Williford, Yong Zhang, Jan A. Schuessler, Roger E. Summons
Published in: Scientific Reports, 9/1, 2019, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-019-53272-5

Inherited geochemical diversity of 3.4 Ga organic films from the Buck Reef Chert, South Africa

Author(s): Julien Alleon, Sylvain Bernard, Nicolas Olivier, Christophe Thomazo, Johanna Marin-Carbonne
Published in: Communications Earth & Environment, 2/1, 2021, ISSN 2662-4435
Publisher: Nature
DOI: 10.1038/s43247-020-00066-7

In situ S‐isotope compositions of sulfate and sulfide from the 3.2 Ga Moodies Group, South Africa: A record of oxidative sulfur cycling

Author(s): Sami Nabhan, Johanna Marin‐Carbonne, Paul R.D. Mason, Christoph Heubeck
Published in: Geobiology, 18/4, 2020, Page(s) 426-444, ISSN 1472-4677
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/gbi.12393

Multiple Sulfur Isotope Records of the 3.22 Ga Moodies Group, Barberton Greenstone Belt

Author(s): Masafumi Saitoh, Sami Nabhan, Christophe Thomazo, Nicolas Olivier, Jean-François Moyen, Yuichiro Ueno, Johanna Marin-Carbonne
Published in: Geosciences, 10/4, 2020, Page(s) 145, ISSN 2076-3263
Publisher: MDPI
DOI: 10.3390/geosciences10040145

Biological Soil Crusts as Modern Analogs for the Archean Continental Biosphere: Insights from Carbon and Nitrogen Isotopes

Author(s): Christophe Thomazo, Estelle Couradeau, Anna Giraldo-Silva, Johanna Marin-Carbonne, Arnaud Brayard, Martin Homann, Pierre Sansjofre, Stefan V. Lalonde, Ferran Garcia-Pichel
Published in: Astrobiology, 20/7, 2020, Page(s) 815-819, ISSN 1531-1074
Publisher: Mary Ann Liebert Inc.
DOI: 10.1089/ast.2019.2144

Metamorphic origin of anastomosing and wavy laminas overprinting putative microbial deposits from the 3.22 Ga Moodies Group (Barberton Greenstone Belt)

Author(s): Masafumi Saitoh, Nicolas Olivier, Marion Garçon, Maud Boyet, Christophe Thomazo, Julien Alleon, Jean-François Moyen, Vincent Motto-Ros, Johanna Marin-Carbonne
Published in: Precambrian Research, 362, 2021, Page(s) 106306, ISSN 0301-9268
Publisher: Elsevier BV
DOI: 10.1016/j.precamres.2021.106306

Pushing Raman spectroscopy over the edge: purported signatures of organic molecules in fossil animals are instrumental artefacts

Author(s): Julien Alleon, Gilles Montagnac, Bruno Reynard, Thibault Brulé, Mathieu Thoury, Pierre Gueriau
Published in: BioEssays, 43/4, 2021, Page(s) 2000295, ISSN 0265-9247
Publisher: John Wiley & Sons Inc.
DOI: 10.1002/bies.202000295

In Situ Fe and S isotope analyses in pyrite from the 3.2 Ga Mendon Formation (Barberton Greenstone Belt, South Africa): Evidence for early microbial iron reduction

Author(s): Johanna Marin‐Carbonne, Vincent Busigny, Jennyfer Miot, Claire Rollion‐Bard, Elodie Muller, Nadja Drabon, Damien Jacob, Sylvain Pont, Martin Robyr, Tomaso R. R. Bontognali, Camille François, Stephanie Reynaud, Mark Van Zuilen, Pascal Philippot
Published in: Geobiology, 2020, ISSN 1472-4677
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/gbi.12385

Intense biogeochemical iron cycling revealed in Neoarchean micropyrites from stromatolites

Author(s): Marie-Noëlle Decraene, Johanna Marin-Carbonne, Christophe Thomazo, Nicolas Olivier, Pascal Philippot, Harald Strauss, Etienne Deloule
Published in: Geochimica et Cosmochimica Acta, 2021, ISSN 0016-7037
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.gca.2021.07.020

High‐spatial‐resolution measurements of iron isotopes in pyrites by secondary ion mass spectrometry using the new Hyperion‐II radio‐frequency plasma source

Author(s): Marie‐Noëlle Decraene, Johanna Marin‐Carbonne, Anne‐Sophie Bouvier, Johan Villeneuve, Nordine Bouden, Béatrice Luais, Etienne Deloule
Published in: Rapid Communications in Mass Spectrometry, 35/3, 2021, ISSN 0951-4198
Publisher: John Wiley & Sons Inc.
DOI: 10.1002/rcm.8986

Triple Oxygen Isotope Trend Recorded by Precambrian Cherts: A Perspective from Combined Bulk and in situ Secondary Ion Probe Measurements

Author(s): D. O. Zakharov, J. Marin-Carbonne, J. Alleon, I. N. Bindeman
Published in: Reviews in Mineralogy and Geochemistry, 86/1, 2021, Page(s) 323-365, ISSN 1529-6466
Publisher: Mineralogical Society of America
DOI: 10.2138/rmg.2021.86.10