Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
All
151 - 175 out of 381Page size: 25
Sort by: Title
  1. Published

    Heterogeneity and incorporation of chromium isotopes in recent marine molluscs (Mytilus)

    Bruggmann, S., Klaebe, R. M., Paulukat, C. & Frei, Robert, 2019, In: Geobiology. 17, 4, p. 417-435 19 p.

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

  2. Published

    High Precision Ru, Pd, Ir, Pt, Re and REE Determinations in the Stevns Klint Cretaceous-Tertiary Boundary Reference Material (FC-1) by Isotope Dilution Multiple Collector Inductively Coupled Plasma-Mass Spectrometry

    Jensen, K. K., Baker, J. A., Waight, Tod, Frei, Robert & Peate, D. W., 2003, In: Geostandards and Geoanalytical Research. 27, p. 59-66

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

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

  4. Published

    High-resolution Hg Chemostratigraphy: A contribution to the distinction of chemical fingerprints of the Deccan volcan ism and Cretaceous−Paleogene Boundary impact event

    Sial, A. N., Chen, J., Lacerda, L. D., Peralta, S., Gaucher, C., Frei, Robert, Cirilli, S., Ferreira, V. P., Marquillas, R. A., Barbosa, J. A., Pereira, N. S. & Belmino, I. K. C., Nov 2014, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 414, p. 98-115 17 p.

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

  5. Published

    High-resolution stable isotope stratigraphy of the upper Cambrian and Ordovician in the Argentine Precordillera: carbon isotope excursions and correlations

    Sial, A. N., Peralta, S., Gaucher, C., Toselli, A. J., Ferreira, V. P., Frei, Robert, Parada, M. A., Pimentel, M. M. & Pereira, N. S., 2013, In: Gondwana Research. 24, 1, p. 330-348 19 p.

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

  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

    History of Athmospheric Lead Deposition Since 12'370 14C yr BP from a Peat Bog, Jura Mountains, Switzerland

    Shotyk, W., Weiss, D., Appleby, P. G., Cheburkin, A. K., Frei, Robert, Gloor, M., Kramers, J. D., Reese, S. & Van der Kaap, W. O., 1998, In: Kexue (Shanghai). 281, p. 1635-1640

    Research output: Contribution to journal › Journal article › Research

  8. Published

    Hydrothermal - metasomatic and tectono-metamorphic processes in the Isua Supracrustal Belt (West Greenland): a multi-isotopic investigation of their effects on the Earth's oldest oceanic crustal sequence

    Frei, Robert, Rosing, Minik Thorleif, Waight, Tod & Ulfbeck, D. G., 2002, In: Geochimica et Cosmochimica Acta. 66, p. 467-486

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

  9. Published

    Imperial Porphyry from Gebel Abu Dokhan, the Red Sea Mountains, Egypt: Part H. Geochemistry

    Makovicky, Emil, Frei, Robert, Bailey, John C & Karup-Moller, S., Jan 2016, In: Neues Jahrbuch für Mineralogie - Abhandlungen / Journal of Mineralogy and Geochemistry. 193, 1, p. 29-44

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

  10. Published

    Imperial porphyry from Gebel Abu Dokhan, the Red Sea Mountains, Egypt Part I. mineralogy, petrology and occurrence

    Makovicky, Emil, Frei, Robert, Karup-Moller, S. & Bailey, John C, 2016, In: Neues Jahrbuch fur Mineralogie, Abhandlungen. 193, 1, p. 1-27 27 p.

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

  11. Published

    Inherited crustal components in the porphyry copper style mineralization of Skouries, Northern Greece: implications from combined Pb-Sr isotopic results

    Frei, Robert, 1993, In: Schweizerische Mineralogische und Petrographische Mitteilungen.

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

  12. Published

    Initial Sr and Nd isotope ratios of Early Archean mafic rocks, SW Greenland

    Krogstad, E. J., Frei, Robert, Rosing, Minik Thorleif, Storey, M. & Albarede, F., 1998, In: Abstract, EOS, Trans. American Geophysical Union, 1998. Fall Meeting 79, 45 Suppl., p. 932-933

    Research output: Contribution to journal › Journal article › Research

  13. Published

    Integrating bed-by-bed palaeobiological and geochemical proxies through the onset of the Great Ordovician Biodiversification Event on Baltica

    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., 2014, p. 81.

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

  14. Published

    Investigating sheep mobility at Montale, Italy, through strontium isotope analyses

    Sabatini, S., Frei, K. M., De Grossi Mazzorin, J., Cardarelli, A., Pellacani, G. & Frei, Robert, Feb 2022, In: Journal of Archaeological Science: Reports. 41, 12 p., 103298.

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

  15. Published

    Isotope (Pb, Rb-Sr, S, O, C, U-Pb) geochemical investigations on Tertiary intrusives and related mineralizations in the Serbomacedonian Pb-Zn, Sb+Cu-Mo metallogenetic province in Northern Greece

    Frei, Robert, 1992, Swiss Federal Institute of Technology (ETH) Zürich, Switzerland. 231 p.

    Research output: Book/Report › Ph.D. thesis › Research

  16. Published

    Isotope dating of residual kaolin deposits in Europe (Tirschenreuth, Germany and St. Yrieix, France)

    Gilg, H. A. & Frei, Robert, 1997, Energy and Mineral Resources for the 21st Century, Geology of Mineral Deposits, Mineral Economics: Proceedings of the 30th International Geological Congress. Rongfu, P. (ed.). Vol. 9. p. 123-133

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  17. Published

    Isotope geochemistry and origin of illite-smectite and kaolinite from the Seilitz and Kemmlitz kaolin deposits, Germany

    Gilg, H. A., Weber, B., Kasbohm, J. & Frei, Robert, 2003, In: Clay Minerals. 38, p. 95-112

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

  18. Published

    Isotope geochemistry and origin of illite-smectite and kaolinite from the Seilitz and Kemmlitz kaolin deposits, Saxony, Germany

    Gilg, H. A., Weber, B., Kasbohm, J. & Frei, Robert, 1 Mar 2003, In: Clay Minerals. 38, 1, p. 95-112 18 p.

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

  19. Published

    Isotope systematics in vein gold from Brusson, Val d'Ayas (NW Italy), 1. Pb/Pb evidence for a Piemonte metaophiolite Au source

    Pettke, T. & Frei, Robert, 10 Jan 1996, In: Chemical Geology. 127, 1-3, p. 111-124 14 p.

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

  20. Published

    Isotope systematics in vein gold from Brusson, Val d'Ayas (NW Italy). 2: (U+Th)/He and K/Ar in native Au and its fluid inclusions

    Pettke, T., Frei, Robert, Kramers, J. D. & Villa, I. M., 1997, In: Chemical Geology. 135, p. 173-187

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

  21. Published

    Isotope systematics in vein gold from Brusson, Val d'Ayaz (NW Italy). I: Pb/Pb evidence for a Piemonte metaophiolite Au source

    Pettke, T. & Frei, Robert, 1996, In: Chemical Geology. 127, p. 11-124

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

  22. Published

    Isotope systematics of kaolinization: Implications for dating of continental weathering

    Gilg, H. A. & Frei, Robert, 1995, In: Berichte der Deutschen Mineralogischen Gesellschaft (Beihefte zum European Journal of Mineralogy). 7

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

  23. Published

    Isotopic range of bioavailable strontium on the Peloponnese peninsula, Greece: A multi-proxy approach

    Frank, A. B., Frei, Robert, Triantaphyllou, M., Vassilakis, E., Kristiansen, K. & Frei, K. M., 1 Jun 2021, In: Science of the Total Environment. 774, 15 p., 145181.

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

  24. Published

    Isotopic studies of human skeletal remains from a sixteenth to seventeenth century AD churchyard in Campeche, Mexico: diet, place of origin, and age

    Price, T. D., Burton, J. H., Cucina, A., Zabala, P., Frei, Robert, Tykot, R. H. & Tiesler, V., 2012, In: Current Anthropology. 53, 4, p. 396-433

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

  25. Published

    Large Igneous Province volcanism, ocean anoxia and marine mass extinction

    Ruhl, M., Bjerrum, Christian J., Canfield, D., Korte, Christoph, Stemmerik, L. & Frei, Robert, 2013, In: Mineralogical Magazine. 77, 5, p. 2097 1 p.

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

Previous 1...3 4 5 6 7 8 9 10 ...16 Next

ID: 11756