Ge, Te, and Zn isotopic link between Ryugu and CI chondritesOPEN ACCESS 

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E. Wölfer, J. Hellmann, C. Burkhardt, T. Kleine Geochemical Perspectives Letters, V37, Received 12 May 2025, Accepted 15 August 2025, Published 17 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Analyses of samples returned from asteroid…

Germanium isotope fractionation during evaporation from metal and sulfide melts: Implications for volatile element loss from planetary materialsOPEN ACCESS 

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Elias Wölfer, Christian J. Renggli, Christoph Burkhardt, Thorsten Kleine Geochimica et Cosmochimica ActaAvailable online 30 May 2025 LINK + PDF (OPEN ACCESS) “The Ge elemental and isotopic composition of planetary materials holds essential clues on…

Origin of moderately volatile elements in Earth inferred from mass-dependent Ge isotope variations among chondritesOPEN ACCESS 

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Elias Wölfer, Christoph Burkhardt, Francis Nimmo, Thorsten Kleine Accepted for publication in Earth and Planetary Science Letters PDF (OPEN ACCESS) “The bulk silicate Earth (BSE) is depleted in moderately volatile elements, indicating Earth formed from…

Condensation and evaporation processes during CB chondrite formation: Insights from Ge isotopes and highly siderophile element abundances

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Guillaume Florin, Béatrice Luais, Olivier Alard, Tracy Rushmer Meteoritics & Planetary ScienceVersion of Record online: 25 June 2021 LINK “We analyzed the highly siderophile element (HSE) contents and bulk Ge isotopic compositions of large metal…

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