Robert Frei

Robert Frei

Professor


  1. 2024
  2. Published

    Chemostratigraphy of early Ediacaran carbonate rocks of the Cachoeirinha Group (Northeastern Brazil): Implications for paleonvironmental conditions and atmospheric oxygenation

    Usma, C. D., Sial, A. N., Ferreira, V. P., Gaucher, C. & Frei, Robert, 2024, In: Journal of South American Earth Sciences. 134, 17 p., 104744.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Combined cadmium and chromium isotopes record a collapse of bioproductivity across the Cretaceous—Paleogene boundary in the Danish basin

    Frederiksen, Jesper Allan, Thibault, Nicolas Rudolph, Gilleaudeau, G. J., Bjerrum, Christian J., Moreau, J. & Frei, Robert, 2024, In: Chemical Geology. 654, 122058.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Geochemistry of Archean anorthosite-bearing layered intrusions

    Sotiriou, P., Polat, A., Kusky, T., Windley, B. F., Frei, Robert & Yang, X., 2024, In: Earth-Science Reviews. 249, 25 p., 104654.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2023
  6. Published

    Corg, N and Hg-isotopes and Hg chemostratigraphy in the Late Ordovician–early Silurian Transition, Argentine Precordillera

    Sial, A. N., Chen, J., Peralta, S., Gaucher, C., Korte, Christoph, Frei, Robert, Ferreira, V. P., Drude, L., Lacerda, D., Barbosa, J. A., Pereira, N. S., Ricardo, P., Riedel, R. & Gomez, J. C., 2023. 1 p.

    Research output: Contribution to conferencePosterResearchpeer-review

  7. Published

    Chromium isotopes track redox fluctuations in Proterozoic successions of the Chapada Diamantina, São Francisco craton, Brazil

    Caxito, F. A., Frei, Robert, Sial, A. N., Uhlein, G. J., de Moura, W. A. L., Pereira, E. & Rodrigues, R., 2023, In: Geology. 51, 1, p. 69-74

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Geological processes defining the formation of plumasite-type corundum in the Paleoproterozoic Isertoq Terrane, South-East Greenland

    Poulsen, Majken Djurhuus, Keulen, N., van Hinsberg, V. J., Kolb, J., Frei, Robert & Thomsen, T. B., 2023, In: Precambrian Research. 385, 23 p., 106940.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Release and mobility of hexavalent chromium in contaminated soil with chemical factory waste: Experiments, Cr isotope analysis and reactive transport modeling

    Ceballos, E., Cama, J., Soler, J. M. & Frei, Robert, 2023, In: Journal of Hazardous Materials. 451, 15 p., 131193.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Strong positive fractionation of chromium isotopes in iron formation of the Jacadigo Group (Brazil) – A link to enhanced atmospheric oxygenation during the Late Neoproterozoic

    Árting, T. B., Boggiani, P. C., Gaucher, C., Fernandes, H. A. & Frei, Robert, 2023, In: Gondwana Research. 124, p. 39-60

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Tales from Ginderup Mound in Thisted County, Denmark: Further Investigations of Female Mobility in the Nordic Bronze Age

    Reiter, S. S., Møller, N. A., Jørkov, M L S, Bech, J., Frei, Robert & Frei, Karin Margarita, 2023, In: Danish Journal of Archaeology. 12, 1, p. 1-25

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 2022
  13. Published

    High-resolution Ge-Si-Fe, Cr isotope and Th-U data for the Neoarchean Temagami BIF, Canada, suggest primary origin of BIF bands and oxidative terrestrial weathering 2.7 Ga ago

    Bau, M., Frei, Robert, Garbe-Schönberg, D. & Viehmann, S., 1 Jul 2022, In: Earth and Planetary Science Letters. 589, 9 p., 117579.

    Research output: Contribution to journalJournal articleResearchpeer-review

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