Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

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

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

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

  2. Published

    Comment on: “Chemostratigraphic constraints on early Ediacaran carbonate rampdynamics, Río de la Plata craton, Uruguay” by Aubet et al. Gondwana Research, Volume 22, Issues 3-4, November 2012, Pages 1073-1090

    Gaucher, C., Sial, A. N., Frei, Robert, Sprechmann, P., Bossi, J., Poiré, D. G., Blanco, G. & Sánchez Bettucci, L., 2013, In: Gondwana Research. 23, 3, p. 1183-1185 3 p.

    Research output: Contribution to journal › Comment/debate › Research

  3. Published

    Commentary: Strontium Is Released Rapidly From Agricultural Lime–Implications for Provenance and Migration Studies

    Frei, Robert, 2021, In: Frontiers in Ecology and Evolution. 9, 4 p., 681896.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  4. Published

    Comparative isotopic and chemical geochronometry of monazite, with implications for U-Th-Pb dating by electron microprobe: An example from metamorphic rocks of the eastern Wyoming Craton (U.S.A.)

    Dahl, P. S., Hamilton, M. A., Jercinovic, M. L., Terry, M. P., Williams, M. L. & Frei, Robert, 2005, In: American Mineralogist. Vol. 90, p. 619-638

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

  5. Published

    Complex Sm-Nd and Lu-Hf isotope systematics of metamorphic garnets from the Isua Supracrustal Belt, West Greenland

    Blichert-Toft, J. & Frei, Robert, 2001, In: Geochimica et Cosmochimica Acta. 65, p. 3177-3187

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

  6. Published

    Complex calc-alkaline volcanism recorded in Mesoarchaean supracrustal belts north of Frederikshåb Isblink, southern West Greenland: implications for subduction zone processes in the early earth

    Szilas, Kristoffer, Hoffmann, J. E., Scherstén, A., Rosing, Minik Thorleif, Windley, B. F., Kokfelt, T. F., Keulen, N., van Hinsberg, V. J., Næraa, T., Frei, Robert & Münker, C., 2012, In: Precambrian Research. 208-211, p. 90-123 34 p.

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

  7. Published

    Compositional variations in the Mesoarchean chromites of the Nuggihalli schist belt, Western Dharwar Craton (India): potential parental melts and implications for tectonic setting

    Mukherjee, R., Mondal, S. K., Rosing, Minik Thorleif & Frei, Robert, 2010, In: Contributions to Mineralogy and Petrology. 160, 6, p. 865-885 21 p.

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

  8. Published

    Constraining Shallow Seawater Oxygenation for the Yangtze Platform During the Early Cambrian

    Frank, A. B., Klaebe, R. M., Xu, L. & Frei, Robert, 1 Jul 2021, In: Paleoceanography and Paleoclimatology. 36, 7, 19 p., e2021PA004282.

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

  9. Published

    Constraining a bioavailable strontium isotope baseline for the Lake Garda region, Northern Italy: A multi-proxy approach

    Ladegaard-Pedersen, P., Frei, Robert, Frank, A. B., Saracino, M., Zorzin, R., Martinelli, N., Kaul, F., Kristiansen, K. & Frei, K. M., 2022, In: Journal of Archaeological Science: Reports. 41, 15 p., 103339.

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

  10. Published

    Constraints on the origin and evolution of magmas in the Payún Matrú Volcanic Field, Quaternary Andean back-arc of western Argentina

    Hernadno, I. R., Aragón, E., Frei, Robert, Gonzáles, P. D. & Spakman, W., Jan 2014, In: Journal of Petrology. 55, 1, p. 209-239 31 p.

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

  11. Published

    Continued study of the origin of the cratonic upper mantle

    Bernstein, S., Kelemen, P. B., Hanghøj, K., Kelley, R., Blusztajn, J. & Frei, Robert, 1999, Italien. 10 p.

    Research output: Book/Report › Report › Research

  12. Published

    Controversial Pb-Pb and Sm-Nd isotope results in the early Archean Isua (West Greenland) oxide iron formation: Preservation of primary signatures versus secondary disturbances.

    Frei, Robert, Bridgewater, D., Rosing, Minik Thorleif & Stecher, O., 1999, In: Geochimica et Cosmochimica Acta. 63, p. 473-488

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

  13. Published

    Coral-based climate records from tropical South Atlantic: 2009/2010 ENSO event in C and O isotopes from Porites corals (Rocas Atoll, Brazil)

    Pereira, N. S., Sial, A. N., Kikuchi, R. K. P., Ferreira, V. P., Ullmann, C. V., Frei, Robert & Cunha, A. M. C., 2015, In: Anais da Academia Brasileira de Ciencias.. 87, 4, p. 1939-1957 19 p.

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

  14. Published

    Cr(VI)-calcite coprecipitation: implications for the use of Cr isotopes as paleoclimatic proxy

    Rodler, A., Dietzel, M. & Frei, Robert, 2013.

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

  15. Published

    Cr-isotopes and REE variations in a laterite profile: Implication for redox processes and element mobility during weathering

    Berger, A. & Frei, Robert, 2011, In: Mineralogical Magazine. 75, 3, p. 516 1 p.

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

  16. Published

    Dacitic ocelli in mafic lavas, 3.7-3.8 Ga Isua greenstone belt, Western Greenland: geochemical evidence for partial melting of oceanic crust and magma mixing

    Appel, P. W. U., Polat, A. & Frei, Robert, 2009, In: Chemical Geology. 258, p. 105-124

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

  17. Published

    Dating a Variscan pressure-temperature loop with staurolite

    Frei, Robert, Biino, G. G. & Prospert, C., 1995, In: Geology. 23, p. 1095-1098

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

  18. Published

    Dating brittle tectonic movements with cleft monazite: fluid-rock interaction and formation of REE minerals

    Berger, A., Gnos, E., Janots, E., Whitehouse, M., Soom, M., Frei, Robert & Waight, Tod, 2013, In: Tectonics. 32, 5, p. 1176–1189 14 p.

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

  19. 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

  20. Published

    Different degrees of partial melting of the enriched mantle source for Plio-Quaternary basic volcanism, Toprakkale (Osmaniye) Region, Southern Turkey

    Bagci, U., Alpaslan, M., Frei, Robert, Kurt, M. A. & Temel, A., Mar 2011, In: Turkish Journal of Earth Sciences. 20, 1, p. 115-135 21 p.

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

  21. Published

    Discussions: Metamorphism and polygenesis of the madem lakkos polymetallic sulfide deposit, Chalkidiki, Greece-a discussion

    Gilg, H. A., Frei, Robert, Kalogeropoulos, S. I. & Nicolaou, M., 1 Jul 1992, In: Economic Geology . 87, 4, p. 1184-1187 4 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  22. Published

    Distribution of platinum-group elements and Os isotopes in chromite ores from Mayari-Baracoa Ophiolitic Belt (eastern Cuba)

    Gervilla, F., Proenza, J. A., Frei, Robert, Gonzales-Jimenes, J. M., Garrido, C. J., Melgarejo, J. C., Meibom, A., Diaz-Martinez, R. & Lavaut, W., 2005, In: Contributions to Mineralogy and Petrology. 150, p. 589-607

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

  23. Published

    Early Cambrian Black Shale-Hosted Mo-Ni and V Mineralization on the Rifted Margin of the Yangtze Platform, China: Reconnaissance Chromium Isotope Data and a Refined Metallogenic Model

    Lehmann, B., Frei, Robert, Xu, L. & Mao, J., 2016, In: Economic Geology . 111, 1, p. 89-103

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

  24. Published

    Early Cambrian highly metalliferous black shale in South China: Cu and Zn isotopes and a short review of other non-traditional stable isotopes

    Lehmann, B., Pašava, J., Šebek, O., Andronikov, A., Frei, Robert, Xu, L. & Mao, J., 2022, In: Mineralium Deposita. 57, 7, p. 1167–1187

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

  25. Published

    Earth´s oldest BIFs (Isua, W Greenland): constraints from Ge/Si ratios, REE systematics and Sm-Nd and Pb isotopes for differentinteracting water masses during their formation

    Frei, Robert & Polat, A., 2008, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A296

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

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