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, N and noble gas (Ne, Ar) isotopes were measured in…
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 dynamics, yet the structure and evolution of magma plumbing systems…
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 in geochemistry and cosmochemistry; however, analyses of silicate material with…
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. We present an approach combining thermodynamic modeling of magma differentiation…
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 being emplaced as intrusive rocks. In these systems, now understood…
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 compositions of the recently recovered CI chondrite Oued Chebeika 002…
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 of small, sub-TFL (i.e., negative Δ17O; TFL = Terrestrial Fractionation…
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 extended review and update is to present the state-of-the-art on…
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 characterized by neutron-poor and neutron-rich isotopic anomalies, respectively. Nucleosynthetic isotopic…
Elian Ochem , Yves Marrocchi Icarus 445, 116859, 10.1016/j.icarus.2025.116859 Voir en ligne : https://doi.org/10.1016/j.icarus.2025.116859 The dynamic evolution of the solar protoplanetary disk led to the formation of the first solar system solids by condensation, among which amoeboid olivine aggregates (AOAs) are…