Regolith thickness across the Borealis Planitia region of Mercury

Joulaud M., Allemand P., Flahaut J., Füri E. Planetary and Space Science, Article n°106338, Volume 282, November 2026 Voir en ligne : https://doi.org/10.1016/j.pss.2026.106338 Mercury's surface is covered by regolith produced by meteoritic bombardment, recording the planet's impact and geological history.…

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Geology of Atlas crater, the prime landing site of the Emirates Lunar Mission Rashid-1 rover

Flahaut J., Wöhler C., Joulaud M., Füri E., Bhatt M., Breton S., Els S. G., AlMaeeni S., AlMarzooqi H. and the ELM Science Collaboration (2026) Planetary Research, Vol. 1 No. 1, August 2026 Voir en ligne : https://doi.org/10.53480/4e7a-4y94 Located at…

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Bandeau-48-Microscopie

Small Pluton Construction by the Stacking and Differentiation of Magma Sheets: Insights from the Beauvoir Granite (Massif Central, France)

Nicolas Esteves, Lydéric France, Michel Cuney, Pierre Bouilhol Journal of Petrology, Volume 67, Issue 7, July 2026, egag055 Voir en ligne : https://doi.org/10.1093/petrology/egag055 Constraining the links between the assembly of granitic intrusions and their magmatic differentiation processes remains a major…

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Advancing Last Glacial Maximum paleoclimate reconstructions in Europe using pollen data: a multi-method (mega)biomization approach

Gabriel Fénisse, Manuel Chevalier, Odile Peyron, David Vincent Bekaert, and Pierre-Henri Blard Climate of the Past Voir en ligne : https://cp.copernicus.org/articles/22/1507/2026/ Pollen records are among the highest-resolution spatial and temporal proxies for reconstructing past vegetation dynamics, environmental changes and climate…

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Experimental constraints on germanium diffusivity in metal and silicate phases during core formation of planetesimals and terrestrial planets

Baptiste Le Bellego, Celia Dalou, Béatrice Luais, Pierre Condamine, Vincent Motto-Ros, Laurent Tissandier Geochimica et Cosmochimica Acta 422: 397-411 Voir en ligne : https://doi.org/10.1016/j.gca.2025.11.038 The segregation of metallic cores from silicate mantles during early planetary differentiation is a key process shaping…

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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 dynamics, yet the structure and evolution of magma plumbing systems…

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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 in geochemistry and cosmochemistry; however, analyses of silicate material with…

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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. We present an approach combining thermodynamic modeling of magma differentiation…

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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 being emplaced as intrusive rocks. In these systems, now understood…

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