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Prof. Dr.  Stefan Weyer

https://orcid.org/0000-0001-7734-4571
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Publications

  1. 2025

  2. Published

    Boron diffusion, related isotope fractionation and the structural role of B in pegmatite forming melts

    Singer, C. R., Behrens, H., Horn, I., Fechtelkord, M. & Weyer, S., 1 Mar 2025, In: Geochimica et Cosmochimica Acta. 392, p. 70-87 18 p.

    Research output: Contribution to journal › Article › Research › peer review

  3. Published

    The influence of mafic and felsic crust on the seawater chemistry ca. 3.0 billion years ago: Evidence from Nd isotopes in banded iron formations from the Murchison Greenstone Belt

    Krayer, J. K., Jodder, J., Hofmann, A., Weyer, S., Willbold, M., Schulz, T., Koeberl, C. & Viehmann, S., Mar 2025, In: Precambrian research. 418, 107701.

    Research output: Contribution to journal › Article › Research › peer review

  4. Published

    Anomalous δ15N values in the Neoarchean associated with an abundant supply of hydrothermal ammonium

    Martin, A. N., Stüeken, E. E., Gehringer, M. M., Markowska, M., Vonhof, H., Weyer, S. & Hofmann, A., 22 Feb 2025, In: Nature Communications. 16, 1, 1873.

    Research output: Contribution to journal › Article › Research › peer review

  5. Published

    Response of Fe-Ni-Cu isotope systematics to sulfide liquid oxygen content: Implications for magmatic sulfide Co enrichment in orogenic settings

    Tang, D., Lazarov, M., Wang, D., J. Evans, N., Qin, K., Xue, S., Horn, I. & Weyer, S., 1 Feb 2025, In: Geochimica et cosmochimica acta. 390, p. 1-23 23 p.

    Research output: Contribution to journal › Article › Research › peer review

  6. Published

    Metal differentiation on asteroids recorded in Zn and Fe isotopic signatures of ureilites

    Chernonozhkin, S. M., Pittarello, L., Hublet, G., Weyer, S., Horn, I., Claeys, P., Debaille, V., Vanhaecke, F. & Goderis, S., 3 Jan 2025, In: Geochemical Perspectives Letters. 33, p. 38-43 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  7. Published

    Fe-isotopic evidence for hydrothermal reworking as a mechanism to form high-grade Fe-Ti-V oxide ores in layered intrusions

    Wang, D., Hou, T., Botcharnikov, R., Weyer, S., Haselbach, S. L., Zhang, Z., Wang, M., Horn, I. & Holtz, F., 1 Jan 2025, In: Geochimica et cosmochimica acta. 388, p. 78-93 16 p.

    Research output: Contribution to journal › Article › Research › peer review

  8. 2024

  9. Published

    Weathering-induced Sb isotope fractionation during leaching of stibnite and formation of secondary Sb minerals

    Kaufmann, A. B., Lazarov, M., Horn, I., Števko, M., Ðorđević, T., Kiefer, S., Weyer, S. & Majzlan, J., 5 Sept 2024, In: Chemical geology. 662, 13 p., 122253.

    Research output: Contribution to journal › Article › Research › peer review

  10. Published

    High-temperature boron partitioning and isotope fractionation between basaltic melt and fluid

    Kommescher, S., Marxer, F., Pohl, F., Horn, I., Holtz, F., Almeev, R., Marschall, H., Weyer, S. & Fonseca, R. O. C., 22 Jul 2024, In: Contributions to Mineralogy and Petrology. 179, 8, 80.

    Research output: Contribution to journal › Article › Research › peer review

  11. Published

    Antimony Isotope Fractionation during Kinetic Sb(III) Oxidation by Antimony-Oxidizing Bacteria Pseudomonas sp. J1

    Jia, X., Kaufmann, A., Lazarov, M., Wen, B., Weyer, S., Zhou, J., Ma, L. & Majzlan, J., 2 Jul 2024, In: Environmental Science and Technology. 58, 26, p. 11411-11420 10 p.

    Research output: Contribution to journal › Article › Research › peer review

  12. Published

    Trace element (Be, Zn, Ga, Rb, Nb, Cs, Ta, W) partitioning between mica and Li-rich granitic melt: Experimental approach and implications for W mineralization

    Gao, X., Anne-Sophie Michaud, J., Zhou, Z., Horn, I., Almeev, R. R., Weyer, S. & Holtz, F., 15 Jun 2024, In: Geochimica et cosmochimica acta. 375, p. 1-18 18 p.

    Research output: Contribution to journal › Article › Research › peer review

  13. Published

    Pentavalent U Reactivity Impacts U Isotopic Fractionation during Reduction by Magnetite

    Pan, Z., Loreggian, L., Roebbert, Y., Bartova, B., Hunault, M. O. J. Y., Weyer, S. & Bernier-Latmani, R., 16 Apr 2024, In: Environmental Science and Technology. 58, 15, p. 6595-6604 10 p.

    Research output: Contribution to journal › Article › Research › peer review

  14. Published

    The isotopic signature of UV during bacterial reduction

    Brown, A. R., Molinas, M., Roebbert, Y., Faizova, R., Vitova, T., Sato, A., Hada, M., Abe, M., Mazzanti, M., Weyer, S. & Bernier-Latmani, R., 9 Apr 2024, In: Geochemical Perspectives Letters. 29, p. 45-50 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  15. Published

    Experimental Study on the Reaction of Cuprite (Cu2O) with Acetate-Bearing Hydrothermal Fluids at 100-250 °C and 5-30 MPa

    Qi, D., Behrens, H., Lazarov, M., Botcharnikov, R., Zhang, C., Ostertag-Henning, C. & Weyer, S., 21 Mar 2024, In: ACS Earth and Space Chemistry. 8, 3, p. 499-519 21 p.

    Research output: Contribution to journal › Article › Research › peer review

  16. Published

    Mechanisms of nitrogen isotope fractionation at an ancient black smoker in the 2.7 Ga Abitibi greenstone belt, Canada

    Martin, A. N., Stüeken, E. E., Michaud, J. A. S., Münker, C., Weyer, S., van Hees, E. H. P. & Gehringer, M. M., 1 Mar 2024, In: GEOLOGY. 52, 3, p. 181-186 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  17. Published

    Changes in antimony isotopic composition as a tracer of hydrothermal fluid evolution at the Sb deposits in Pezinok (Slovakia)

    Kaufmann, A. B., Lazarov, M., Weyer, S., Števko, M., Kiefer, S. & Majzlan, J., Mar 2024, In: Mineralium deposita. 59, 3, p. 559-575 17 p.

    Research output: Contribution to journal › Article › Research › peer review

  18. Published

    Underplated melts control sulfide segregation at the continental crust-mantle transition

    Pieterek, B., Tribuzio, R., Matusiak-Małek, M., Ciążela, J., Horn, I., Weyer, S., Strauss, H., Kuhn, T. & Muszyński, A., 20 Jan 2024, In: Communications Earth and Environment. 5, 1, 45.

    Research output: Contribution to journal › Article › Research › peer review

  19. Published

    Inverse Mo versus U isotope correlation of Early Cambrian highly metalliferous black shales in South China indicates synsedimentary metal enrichment from a near-modern ocean

    Xu, L., Lehmann, B., Weyer, S., Wen, H., Mao, J., Neubert, N. & Jian, W., Jan 2024, In: Mineralium deposita. 59, 1, p. 155–167 13 p.

    Research output: Contribution to journal › Article › Research › peer review

  20. 2023

  21. Published

    Li-Na interdiffusion and diffusion-driven lithium isotope fractionation in pegmatitic melts

    Singer, C. R., Behrens, H., Horn, I., Oeser, M., Dohmen, R. & Weyer, S., 16 Nov 2023, In: European journal of mineralogy. 35, 6, p. 1009-1026 18 p.

    Research output: Contribution to journal › Article › Research › peer review

  22. Published

    Depth profile analyses by femtosecond laser ablation (multicollector) inductively coupled plasma mass spectrometry for resolving chemical and isotopic gradients in minerals

    Oeser, M., Horn, I., Dohmen, R. & Weyer, S., 4 Oct 2023, In: European Journal of Mineralogy. 35, 5, p. 813-830 18 p.

    Research output: Contribution to journal › Article › Research › peer review

  23. Published

    Electron flux is a key determinant of uranium isotope fractionation during bacterial reduction

    Brown, A. R., Molinas, M., Roebbert, Y., Sato, A., Abe, M., Weyer, S. & Bernier-Latmani, R., 19 Sept 2023, In: Communications Earth and Environment. 4, 329.

    Research output: Contribution to journal › Article › Research › peer review

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