Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

    Biogeochemical cycle of chromium isotopes at the modern Earth's surface and its applications as a paleo-environment proxy

    Wei, W., Klaebe, R., Ling, H., Huang, F. & Frei, Robert, 20 May 2020, In: Chemical Geology. 541, 119570.

    Research output: Contribution to journal › Review › Research › peer-review

  2. Published

    Marine ferromanganese oxide: A potentially important sink of light chromium isotopes?

    Wei, W., Frei, Robert, Chen, T., Klaebe, R., Liu, H., Li, D., Wei, G. & Ling, H., 2018, In: Chemical Geology. 495, p. 90-103 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Oxygenation variations in the atmosphere and shallow seawaters of the Yangtze Platform during the Ediacaran Period: Clues from Cr-isotope and Ce-anomaly in carbonates

    Wei, W., Frei, Robert, Gilleaudeau, G. J., Li, D., Wei, G., Chen, X. & Ling, H., 2018, In: Precambrian Research. 313, p. 78-90 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Assessing Mass-dependent Isotope Fractionation of Cerium

    Weber, T., Frei, Robert & Rosing, Minik Thorleif, 2008, In: EOS : Transactions. 53

    Research output: Contribution to journal › Conference abstract in journal › Research

  5. Published

    Cerium Isotope Fractionation during Oxidative Precipitation.

    Weber, T., Frei, Robert, Rosing, Minik Thorleif, Canfield, D., Dideriksen, K., Nedel, S., Stipp, S. L. S., Telouk, P. & Albarede, F., 2009. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  6. Published

    Timing between granitoid emplacement and associated gold mineralization: examples from the ca. 2.7 Ga Harare-Shamva Greenstone Belt, Northern Zimbabwe

    Vinyu, M. L., Frei, Robert, Frei, Robert & Jelsma, H. A., 1996, In: Canadian Journal of Earth Sciences. 33, 7, p. 981-992

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Geochemical characteristics of the Quaternary volcanic rocks from Hatay region, Southern Turkey: Evidence for lithospheric mantle source. Geochim

    Varol, E., Frei, Robert, Alpaslan, M., Kurt, M. A. & Temmel, A., 2007, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A1059

    Research output: Contribution to journal › Conference abstract in journal › Research

  8. 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 journal › Journal article › Research › peer-review

  9. Published

    Ediacaran banded iron formations and carbonates of the Cachoeirinha Group of NE Brazil: Paleoenvironment and paleoredox conditions

    Usma, C. D., Sial, A. N., Ferreira, V. P., Gaucher, C. & Frei, Robert, 1 Aug 2021, In: Journal of South American Earth Sciences. 109, 6 p., 103282.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Reading the record: Understanding heterogeneity in macrofossil geochemistry

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Hesselbo, S. P., 2015, p. p. 375 .

    Research output: Contribution to conference › Conference abstract for conference › Research

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