A VNIR spectral database of terrestrial magmatic rocks for the interpretation of Martian plagioclase hyperspectral detections

Barthez M., Flahaut J., Guitreau, M., Pik, R., Ito, G., Delangle, C., Gremilliet JP, Luais B, Faure, F. Icarus, Volume 453, 15 July 2026, 117027 Voir en ligne : https://doi.org/10.1016/j.icarus.2026.117027 Visible Near-InfraRed (VNIR) spectroscopy is a powerful tool to assess…

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Tribute to Kuppusami Govindaraju

With sadness we report that Kuppusami Govindaraju, or Raj as he was universally known by his scientific colleagues in France and across the World, passed away in January this year. Raj was arguably – and certainly in the European sphere…

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Soutenance de thèse : Marie Barthez 8 Mars 2024 – 14h – Amphithéâtre CRPG

Feldspathic rocks on Mars: VNIR spectral properties and formation mechanisms from terrestrial analogues and Mars remote sensing data analyses" Abstract : The detection of plagioclase feldspars on the surface of Mars, using visible near-infrared (VNIR) reflectance spectroscopy, raises questions about…

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Soutenance de thèse Aswin Pradeep Tachambalath : 18 décembre 2023 – 14h – Amphithéâtre CRPG

Érosion, altération et paléo-altération en Himalaya Abstract : Continental weathering and erosion are fundamental components of global geochemical cycles on earth, facilitating the transfer of atmospheric CO2 to sedimentary reservoirs through alteration of silicates and transfer of organic carbon. In…

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Soutenance de Thèse Dorian Thomassin : 8 Décembre 2023 – 14h – Amphithéâtre CRPG

Hydrogen in the high-temperature phases of chondrites: origin and contribution to the hydrogen budget of the rocky planets. Abstract : Chondrules, the main components of chondrites, are silicate spherules formed during episodes of high temperature in the first millions of…

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Soutenance de thèse de Ayoub Khelili : 16 novembre 2023 – 14h00 – Amphithéâtre CRPG

Combination of geochemical tracers for reconstructing contaminant trajectories in an industrialized and anthropized watershed Abstract The Orne River, a tributary of the Moselle River, is a small watercourse that flows in northeastern France. Since the 1870s, the Orne watershed was…

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