Julien Alleon
Julien Alleon
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Molecular preservation of 1.88 Ga Gunflint organic microfossils as a function of temperature and mineralogy
J Alleon, S Bernard, C Le Guillou, J Marin-Carbonne, S Pont, O Beyssac, ...
Nature Communications 7 (1), 11977, 2016
Early entombment within silica minimizes the molecular degradation of microorganisms during advanced diagenesis
J Alleon, S Bernard, C Le Guillou, D Daval, F Skouri-Panet, S Pont, ...
Chemical Geology 437, 98-108, 2016
Chemical nature of the 3.4 Ga Strelley Pool microfossils
J Alleon, S Bernard, C Le Guillou, O Beyssac, K Sugitani, F Robert
Geochemical Perspectives Letters 7, 37-42, 2018
Organic molecular heterogeneities can withstand diagenesis
J Alleon, S Bernard, C Le Guillou, D Daval, F Skouri-Panet, M Kuga, ...
Scientific Reports 7 (1), 1508, 2017
Organic geochemical approaches to understanding early life
J Alleon, RE Summons
Free Radical Biology and Medicine 140, 103-112, 2019
Estimation of nitrogen-to-carbon ratios of organics and carbon materials at the submicrometer scale
J Alleon, S Bernard, L Remusat, F Robert
Carbon 84, 290-298, 2015
Pushing Raman spectroscopy over the edge: purported signatures of organic molecules in fossil animals are instrumental artefacts
J Alleon, G Montagnac, B Reynard, T Brulé, M Thoury, P Gueriau
BioEssays: Think Again, e2000295, 2021
Triple oxygen isotope trend recorded by Precambrian cherts: A perspective from combined bulk and in situ secondary ion probe measurements
DO Zakharov, J Marin-Carbonne, J Alleon, IN Bindeman
Reviews in Mineralogy and Geochemistry 86 (1), 323-365, 2021
Organic biomorphs may be better preserved than microorganisms in early Earth sediments
C Nims, J Lafond, J Alleon, AS Templeton, J Cosmidis
Geology 49 (6), 629-634, 2021
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
J Alleon, DT Flannery, N Ferralis, KH Williford, Y Zhang, JA Schuessler, ...
Scientific Reports 9 (1), 1-13, 2019
Diffusion anisotropy of Ti in zircon and implications for Ti-in-zircon thermometry
EM Bloch, MC Jollands, P Tollan, F Plane, AS Bouvier, R Hervig, AJ Berry, ...
Earth and Planetary Science Letters 578, 117317, 2022
Inherited geochemical diversity of 3.4 Ga organic films from the Buck Reef Chert, South Africa
J Alleon, S Bernard, N Olivier, C Thomazo, J Marin-Carbonne
Communications Earth & Environment 2 (1), 6, 2021
Multidecadal persistence of organic matter in soils: multiscale investigations down to the submicron scale
S Lutfalla, P Barré, S Bernard, C Le Guillou, J Alléon, C Chenu
Biogeosciences 16 (7), 1401-1410, 2019
Metamorphic origin of anastomosing and wavy laminas overprinting putative microbial deposits from the 3.22 Ga Moodies Group (Barberton Greenstone Belt)
M Saitoh, N Olivier, M Garçon, M Boyet, C Thomazo, J Alleon, JF Moyen, ...
Precambrian Research 362, 106306, 2021
Early precipitated micropyrite in microbialites: A time capsule of microbial sulfur cycling
J Marin-Carbonne, MN Decraene, R Havas, L Remusat, V Pasquier, ...
Geochemical Perspectives Letters 21, 7-12, 2022
Recognizing Archean traces of life: difficulties and perspectives
S Bernard, I Criouet, J Alleon
Encyclopedia of Geology (Second Edition) 5, 211-219, 2020
Sedimentology and Geochemistry of Ooid Sands Buried Beneath Microbial Mats, Little Ambergris Cay, Turks and Caicos Islands
TM Present, E Trower, M Gomes, UF Lingappa, N Stein, M Thorpe, ...
AAPG ACE 2018, 2018
Multidecadal Persistence of Organic Matter in Soils: Investiga-15 tions at the Submicrometer Scale
S Lutfalla, P Barré, S Bernard, C Le Guillou, J Alléon, C Chenu
Biogeosciences Discussions, 1-20, 0
Hydrothermal processes recorded by pyritic-organic-rich laminae in the 3.4-Ga Buck Reef Chert
J Alleon, V Pasquier, J Marin-Carbonne
Goldschmidt 2023 Conference, 2023
Micropyrite: a promising biosignature? Insights from modern and ancient sediments
J Marin-Carbonne, MN Decraene, J Dupeyron, J Alleon, V Pasquier, ...
Goldschmidt 2023 Conference, 2023
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