Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

    Oceanographic Change in the Late Cretaceous Chalk Sea (Denmark): Clues from Chromium Isotopes

    Gilleaudeau, G. J., Vögelin, A. R., Thibault, Nicolas Rudolph, Moreau, J., Korte, Christoph, Ullmann, C. V. & Frei, Robert, 2016, p. p. 944.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  2. Published

    Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse

    Rasmussen, Christian Mac Ørum, Ullmann, C. V., Jakobsen, K. G., Lindskog, A., Hansen, J., Hansen, T., Eriksson, M. E., Dronov, A., Frei, Robert, Korte, Christoph, Nielsen, Arne Thorshøj & Harper, D. A. T., 2016, In: Scientific Reports. 6, 9 p., 18884.

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

  3. Published

    Oxidative elemental cycling under the low O2 Eoarchean atmosphere

    Frei, Robert, Crowe, S. A., Bau, M., Polat, A., Fowle, D. A. & Døssing, L. N., 11 Feb 2016, In: Scientific Reports. 6, 21058.

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

  4. Published

    Oxygen and carbon isotope and Sr/Ca signatures of high-latitude Permian to Jurassic calcite fossils from New Zealand and New Caledonia

    Ullmann, C. V., Campbell, H. J., Frei, Robert & Korte, Christoph, 1 Oct 2016, In: Gondwana Research. 38, p. 60-73

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

  5. Published

    Oxygenation of the mid-Proterozoic atmosphere: clues from chromium isotopes in carbonates

    Gilleaudeau, G. J., Frei, Robert, Kaufman, A. J., Kah, L. C., Azmy, K., Bartley, J. K., Chernyavskiy, P. & Knoll, A. H., 2016, In: Geochemical Perspectives. 2, 2, p. 178-186 9 p.

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

  6. Published

    Potential leaching of Cr(VI) from laterite mines and residues of metallurgical products (red mud and slag): an integrated approach

    Economou-Eliopoulos, M., Frei, Robert & Megremi, I., Mar 2016, In: Journal of Geochemical Exploration. 162, p. 40-49 10 p.

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

  7. Published

    Processes controlling the chromium isotopic composition of river water: constraints from basaltic river catchments

    D'Arcy, J. M., Babechuk, M. G., Døssing, L. N., Gaucher, C. & Frei, Robert, 2016, In: Geochimica et Cosmochimica Acta. Supplement. 186, p. 296-315 20 p.

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

  8. Published

    The Cr-isotope signature of surface seawater - a global perspective

    Paulukat, C. S., Gilleaudeau, G. J., Chernyavskiy, P. & Frei, Robert, 2016, In: Chemical Geology. 444, p. 101-109 9 p.

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

  9. Published

    The Pan-African West Congo belt in the Republic of Congo (Congo Brazzaville): stratigraphy of the Mayombe and West Congo supergroups studied by detrital zircon geochronology

    Affaton, P., Kalsbeek, F., Boudzoumou, F., Trompette, R., Thrane, K. & Frei, Robert, 2016, In: Precambrian Research. 272, p. 185-202 18 p.

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

  10. Published

    Towards a calibrated astronomical timescale for the Mid Ordovician

    Rasmussen, Christian Mac Ørum, Thibault, Nicolas Rudolph, Stouge, Svend, Siggaard-Andersen, M. L., Costa, M., Schovsbo, N., Calner, M., Dahlqvist, P., Korte, Christoph, Frei, Robert, Storey, M., Connelly, J., Pedersen, G. K., Rasmussen, B. W., Rasmussen, J. A. & Nielsen, A. T., 2016, p. 2812 .

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

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