M/F Postdoctoral position – Noble gas analysis by Isotope Ratio Mass Spectrometry (PRIMORDIAL project)
https://emploi.cnrs.fr/Offres/CDD/UMR7358-DAVBEK-001/Default.aspx?lang=EN Job Description Missions As part of the PEPR project “PRIMORDIAL” (PI: David Bekaert; ; https://pepr-origins.fr/projet/primordial/), the postdoctoral researcher will be responsible for (co-)developing ultra-high-precision analyses of neon, argon, krypton,…
Nitrogen isotopic variations in the early Solar System recorded by pallasites
J. Gamblin, E. Füri, B. Luais, L. Zimmermann Geochemical Perspectives Letters v39 Voir en ligne : https://doi.org/10.7185/geochemlet.2607 To gain new insights into nitrogen (N) isotopic variations in the early Solar System,…
Reactivation of a transcrustal plumbing system during a rifting event (Asal Rift, Djibouti)
Juliette Pin, Lydéric France, Gilles Chazot, Etienne Deloule, Mohamed Ahmed Daoud, Bernard Le Gall Geology (2026) 54 (4): 348–353. Voir en ligne : https://doi.org/10.1130/G53776.1 Magmatism plays a central role in rift…
A fast double-stack chromatographic separation of germanium from silicate material for isotope analysis with MC-ICP-MS
Qasid Ahmad, Damien Cividini & Béatrice Luais Journal of Analytical Atomic Spectrometry, 41(3), 935–941 Voir en ligne : https://doi.org/10.1039/D5JA00471C Germanium (Ge) isotope measurements (δ74/70Ge relative to NIST3120a) have attracted increasing attention…
The importance of considering temperature- and composition-dependent partition coefficients in differentiation models
Toussaint A., France L. Lithos, Volumes 522–523, February 2026, 108395 Voir en ligne : https://doi.org/10.1016/j.lithos.2025.108395 Quantifying the parameters that govern magma differentiation is key to understanding the evolution of igneous systems….
Hidden Early Clinopyroxene Relicts Record Reactive Porous Flow in Oceanic Plutonic Series
Falc’Hun C., France L. Journal of Petrology, 2026, 67, egag004 Voir en ligne : https://doi.org/10.1093/petrology/egag004 Almost two-thirds of the Earth’s magmatic budget is concentrated at mid-ocean ridges, with 85% of this…
H-N budgets and isotopic signatures of Oued Chebeika 002 and CI reservoir heterogeneity
Marrocchi Y., Füri E., Zimmermann L. & Piani L. Geochemical Perspective Letters, 39, 7-11, 10.7185/geochemlet.2605 Voir en ligne : https://doi.org/10.7185/geochemlet.2605 We report the hydrogen (H) and nitrogen (N) elemental and isotopic…
Oxygen isotope compositions of chondrules in enstatite chondrites: insights from relict olivine, chondrule size and redox state
Marrocchi Y., Piani L., Thomassin D. & Jacquet E. (2026) Geochimica et Cosmochimica Acta 414, 62-74, 10.1016/j.gca.2025.12.036 Voir en ligne : https://doi.org/10.1016/j.gca.2025.12.036 The recent discovery in ordinary chondrites of a population…
Demantoid garnet deposits: review and geological classification
Gaston Giuliani, Isabella Pignatelli, Julien Feneyrol, Anthony E. Fallick, Alfred Andriamamonjy The Canadian Journal of Mineralogy and Petrology (2025) 63 (5): 421–465. Voir en ligne : https://doi.org/10.3749/2500010 The aim of this…
Origin of the mass-dependent germanium isotopic continuum in the early Solar System
Béatrice Luais, Guillaume Florin Earth and Planetary Science Letters, 672, 119663 Voir en ligne : https://doi.org/10.1016/j.epsl.2025.119663 The warm, reduced, volatile-poor inner Solar System and cold, oxidized, volatile-rich outer Solar System are…