Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
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76 - 100 out of 380Page size: 25
  1. 2018
  2. Published

    Chromium isotope fractionation between modern seawater and biogenic carbonates from the Great Barrier Reef, Australia: Implications for the paleo-seawater delta δ53 reconstruction

    Farkas, J., Fryda, J., Paulukat, C., Hathorne, E. C., Matouskova, S., Rohovec, J., Frydova, B., Francova, M. & Frei, Robert, 2018, In: Earth and Planetary Science Letters. 498, p. 140-151 12 p.

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

  3. Published

    Diet and mobility among Mesolithic hunter-gatherers in Motala (Sweden) - The isotope perspective

    Eriksson, G., Frei, K. M., Howcroft, R., Gummesson, S., Molin, F., Liden, K., Frei, Robert & Hallgren, F., 2018, In: Journal of Archaeological Science: Reports. 17, p. 904-918 15 p.

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

  4. Published

    Environmentally available hexavalent chromium in soils and sediments impacted by dispersed fly ash in Sarigkiol basin (Northern Greece)

    Kazakis, N., Kantiranis, N., Kalaitzidou, K., Kaprara, E., Mitrakas, M., Frei, Robert, Vargemezis, G., Vogiatzis, D., Zouboulis, A. & Filippidis, A., 2018, In: Environmental Pollution. 235, p. 632-641 10 p.

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

  5. Published

    Fedtsten - Godthåbsfjordens skjulte ressource

    Poulsen, Majken Djurhuus, Knudsen, R. J., Keulen, N., Thorsøe, K. & Frei, Robert, 2018, In: Tidsskriftet Grønland. 4, 16 p.

    Research output: Contribution to journal › Journal article › Communication

  6. Published

    Highly fractionated chromium isotopes in Mesoproterozoic-aged shales and atmospheric oxygen

    Canfield, D. E., Zhang, S., Frank, A. B., Wang, X., Wang, H., Su, J., Ye, Y. & Frei, Robert, 2018, In: Nature Communications. 9, 11 p., 2871.

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

  7. 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

  8. Published

    Multiproxy geochemical and isotope stratigraphy records of a Neoproterozoic Oxygenation Event in the Ediacaran Sete Lagoas cap carbonate, Bambui Group, Brazil

    Caxito, F. A., Frei, Robert, Uhlein, G. J., Dias, T. G., Árting, T. B. & Uhlein, A., 2018, In: Chemical Geology. 481, p. 119-132 14 p.

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

  9. 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

  10. Published

    Pervasive early diagenetic dolomitization, subsequent hydrothermal alteration, and late stage hydrocarbon accumulation in a Middle Triassic carbonate sequence (Szeged Basin, SE Hungary)

    Garaguly, I., Varga, A., Raucsik, B., Schubert, F., Czuppon, G. & Frei, Robert, 2018, In: Marine and Petroleum Geology. 98, p. 270-290 21 p.

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

  11. Published

    Petrogenetic and geodynamic origin of the Neoarchean Doré Lake Complex, Abitibi subprovince, Superior Province, Canada

    Polat, A., Frei, Robert, Longstaffe, F. J. & Woods, R., 2018, In: International Journal of Earth Sciences. 107, 3, p. 811-843 33 p.

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

  12. Published

    Petrology and geochemistry of the Tasse mantle xenoliths of the Canadian Cordillera: A record of Archean to Quaternary mantle growth, metasomatism, removal, and melting

    Polat, A., Frei, Robert, Longstaffe, F. J., Thorkelson, D. J. & Friedman, E., 2018, In: Tectonophysics. 737, p. 1-26 26 p.

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

  13. Published

    Redox condition in the Nanhua Basin during the waning of the Sturtian glaciation: A chromium-isotope perspective

    Wei, W., Frei, Robert, Klaebe, R., Li, D., Wei, G. & Ling, H., 2018, In: Precambrian Research. 319, p. 198-210 13 p.

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

  14. Published

    Seawater temperature change across the Pliensbachian–Toarcian transition – new isotope data from the Aubach section in SW Germany

    Korte, Christoph, Ullmann, C. V., Frederiksen, J. A., Frei, Robert, Hougård, Iben Winther & Rizzi, Malgorzata, 2018.

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

  15. Published

    Stable isotope records across the Cretaceous-Paleogene transition, Stevns Klint, Denmark: New insights from the chromium isotope system

    Gilleaudeau, G. J., Vögelin, A. R., Thibault, Nicolas Rudolph, Moreau, J., Ullmann, C. V., Klaebe, R. M., Korte, Christoph & Frei, Robert, 2018, In: Geochimica et Cosmochimica Acta. 235, p. 305-332 28 p.

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

  16. Published

    The geochemistry of modern calcareous barnacle shells and applications for palaeoenvironmental studies

    Ullmann, C. V., Gale, A. S., Haggett, J., Wray, D., Frei, Robert, Korte, Christoph, Broom-Fendley, S., Littler, K. & Hesselbo, S. P., 2018, In: Geochimica et Cosmochimica Acta. 243, p. 149-168 20 p.

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

  17. 2017
  18. Published

    A matter of months: high precision migration chronology of a Bronze Age female

    Frei, K. M., Villa, Chiara, Jørkov, M L S, Allentoft, Morten Erik, Kaul, F., Ethelberg, P., Reiter, S. S., Wilson, A. S., Taube, M., Olsen, J., Lynnerup, Niels, Willerslev, Eske, Kristiansen, K. & Frei, Robert, 5 Jun 2017, In: PLoS ONE. 12, 6, 20 p., e0178834.

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

  19. Published

    Barnacles – recorders of environmental conditions with unique geochemical signatures

    Ullmann, C. V., Gale, A., Korte, Christoph, Frei, Robert, Huggett, J. & Wray, D., 2017, In: Geophysical Research Abstracts. 19, 6134.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  20. Published

    Element/Ca, C and O isotope ratios in modern brachiopods: Species-specific signals of biomineralization

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Lüter, C., 2017, In: Chemical Geology. 460, p. 15-24 10 p.

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

  21. Published

    Extensive oxidative weathering in the aftermath of a late Neoproterozoic glaciation - Evidence from trace element and chromium isotope records in the Urucum district (Jacadigo Group) and Puga iron formations (Mato Grosso do Sul, Brazil)

    Frei, Robert, Døssing, L. N., Gaucher, C., Boggiani, P. C., Frei, K. M., Árting, T. B., Crowe, S. A. & Freitas, B. T., 2017, In: Gondwana Research. 49, p. 1-20 20 p.

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

  22. Published

    Geochemical constraints on the sources of Cr(VI) contamination in waters of Messapia (Central Evia) Basin

    Economou-Eliopoulos, M., Megremi, I., Vasilatos, C., Frei, Robert & Mpourodimos, I., 2017, In: Applied Geochemistry. 84, p. 13-25 13 p.

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

  23. Published

    Long- and short-term seawater temperature evolution of across the Toarcian Oceanic Anoxic Event in the Aubach section, Wutach area, SW Germany

    Korte, Christoph, Ullmann, C. V., Frederiksen, J. A., Frei, Robert, Hougård, Iben Winther & Rizzi, Malgorzata, 2017, p. 77–78 .

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

  24. Published

    Multiproxy isotope constraints on ocean compositional changes across the late Neoproterozoic Ghaub glaciation, Otavi Group, Namibia

    Rodler, A., Frei, Robert, Gaucher, C., Korte, Christoph, Rosing, Salik Anders & Germs, G. J. B., 2017, In: Precambrian Research. 298, p. 306-324 19 p.

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

  25. Published

    Origin of hexavalent chromium in groundwater: the example of Sarigkiol Basin, Northern Greece

    Kazakis, N., Kantiranis, N., Kalaitzidou, K., Kaprara, M., Mitrakas, M., Frei, Robert, Vargemezis, G., Tsourlos, P., Zouboulis, A. & Filippidis, A., 2017, In: Science of the Total Environment. 593-594, p. 552-566 15 p.

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

  26. Published

    Origins of inhabitants from the 16th century Sala (Sweden) silver mine cemetery – a lead isotope perspective

    Price, T. D., Frei, Robert, Bäckström, Y., Frei, K. M. & Ingvarsson-Sundstrom, A., 2017, In: Journal of Archaeological Science. 80, p. 1-13 13 p.

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

  27. Published

    Redox fluctuations in the Early Ordovician oceans: an insight from chromium stable isotopes

    D'Arcy, J. M., Gilleaudeau, G. J., Peralta, S., Gaucher, C. & Frei, Robert, 2017, In: Chemical Geology. 448, p. 1-12 12 p.

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

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ID: 11756