Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

    Mo isotope variations in meromictic Lake Cadagno

    Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Frei, Robert & Canfield, D. E., 2008, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. p. A196

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

  2. Published

    Molybdenum evidence for expansive sulfidic water masses in ~ 750 Ma oceans

    Dahl, T. W., Canfield, D. E., Rosing, Minik Thorleif, Frei, Robert, Gordon, G. W., Knoll, A. H. & Anbar, A. D., 2011, In: Earth and Planetary Science Letters. 311, 3-4, p. 264-274 11 p.

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

  3. Published

    The behavior of molybdenum and its isotopes across the chemocline and in the sediments of sulfidic Lake Cadagno, Switzerland

    Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Rosing, Minik Thorleif, Frei, Robert & Canfield, D. E., Jan 2010, In: Geochimica et Cosmochimica Acta. 74, 1, p. 144-163 20 p.

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

  4. Published

    Molybdenum evidence for expansive sulfidic water masses in similar ∼ 750 Ma oceans

    Dahl, Tais Wittchen, Canfield, D. E., Rosing, Minik Thorleif, Frei, Robert, Gordon, G. W., Knoll, A. H. & Anbar, A. D., 2011, In: Earth and Planetary Science Letters. 311, 3-4, p. 264-274

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

  5. Published

    Step-leach Pb-Pb dating of inclusion-bearing garnet and staurolite: with implications for Early Proterozoic tectonism in the Black Hills collisional orogen, South Dakota, United States

    Dahl, P. S. & Frei, Robert, 1998, In: Geology. 26, 2, p. 111-114

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

  6. 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

  7. Published

    2480 Ma mafic magmatism in the northern Black Hills, South Dakota: a new link connecting the Wyoming and Superior cratons

    Dahl, P. S., Hamilton, M. A., Wooden, J. L., Foland, K. A. & Frei, Robert, 2006, In: Candian Journal of Earth Sciences. 43, p. 1579-1600

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

  8. Published

    Was the Black Hills domain (South Dakota) always part of the Archean Wyoming Craton? new evidence from ~3.4-2.7 Ga detrital-zircon populations found in both ~1.9 and ~2.5 Ga strata

    Dahl, P. S., Frei, Robert & Whitehouse, W. M. J., 2008, Geological Society of America Abstracts with Programs. Vol. 40(6). p. 145-15

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  9. Published

    Chromium isotope fractionation during oxidative weathering of a modern basaltic weathering profile.

    D'Arcy, J. M., Døssing, L. N. & Frei, Robert, 8 Jun 2014. 1 p.

    Research output: Contribution to conference › Poster › Research

  10. 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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