Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

    Low oxygen seawater and major shifts in the paleoenvironment towards the terminal Ediacaran: Insights from the Portfjeld Formation, North Greenland

    Rugen, E. J., Ineson, J. R. & Frei, Robert, 2022, In: Precambrian Research. 379, 19 p., 106781.

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

  2. Published

    "U-rich Archaean sea-floor sediments from Greenland-indications of >3700 Ma Oxygenic photosynthesis"

    Rosing, Minik Thorleif & Frei, Robert, 2004, In: Earth and Planetary Science Letters. 217, p. 237-244 8 p.

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

  3. Published

    Scrambling of isotopic messages from our earliest ancestors: 13C variations in biogenic reduced carbon from the >3700 Ma Isua supracrustals, West Greenland

    Rosing, Minik Thorleif & Frei, Robert, 1999, In: Journal of Conference Abstracts. 4(1), p. 259

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

  4. Published

    Late Archaean metasomatism and kyanite formation in the >3700 Ma Isua supracrustals, West Greenland

    Rosing, Minik Thorleif & Frei, Robert, 1999, In: Journal of Conference Abstracts. 4(1), p. 144

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

  5. Published

    Getting out of the extreme: Possible indications of Pre-3700 Ma oxygenic photosynthesis from Isua, West Greenland. J. Conf. Abstr

    Rosing, Minik Thorleif & Frei, Robert, 2000.

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

  6. Published

    Petrogenesis of the late Archean Pillow Basalts from the Chitradurga greenstone belt, Western Dharwar Craton (southern India)

    Rose, R., Mukherjee, R., Frei, Robert, Mondal, S. K. & Lingadevaru, M., 2022, In: Journal of Earth System Science. 131, 2, 26 p., 95.

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

  7. Published

    A metamorphosed, early Archean chromitite from West Greenland: implications for the genesis of Archean anothositic chromitites

    Rollinson, H., Appel, P. & Frei, Robert, 2002, In: Journal of Petrology. 43, p. 2143-2170

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

  8. Published

    Redox effect on the Cr isotope proxy: transitional signal of associated cap-carbonates, BIF and black shale, Chuos Formation (Namibia)

    Rodler, A., Frei, Robert & Gaucher, C., 2013.

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

  9. Published

    Chromium isotope record of the Otavi Group, Namibia

    Rodler, A., Frei, Robert, Gaucher, C., Vögelin, A. R., Ullmann, C. V. & Korte, Christoph, 2013, In: Mineralogical Magazine. 77, 5, p. 2075 1 p.

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

  10. 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

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ID: 11756