Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
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41 - 50 out of 381Page size: 10
  1. 2021
  2. Published

    Ediacaran banded iron formations and carbonates of the Cachoeirinha Group of NE Brazil: Paleoenvironment and paleoredox conditions

    Usma, C. D., Sial, A. N., Ferreira, V. P., Gaucher, C. & Frei, Robert, 1 Aug 2021, In: Journal of South American Earth Sciences. 109, 6 p., 103282.

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

  3. Published

    A transient swing to higher oxygen levels in the atmosphere and oceans at similar to 1.4 Ga

    Wei, W., Frei, Robert, Klaebe, R., Tang, D., Wei, G., Li, D., Tian, L., Huang, F. & Ling, H., 2021, In: Precambrian Research. 354, 10 p., 106058.

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

  4. 2020
  5. Published

    Provenance of the Late Ediacaran Rocha Formation, Cuchilla Dionisio Terrane, Uruguay: Tectonic implications on the assembly of Gondwana

    Abre, P., Blanco, G., Gaucher, C., Frei, D. & Frei, Robert, 2020, In: Precambrian Research. 342, 105704.

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

  6. Published

    Chromium Isotope Systematics in Modern and Ancient Microbialites

    Bruggmann, S., Rodler, A. S., Klaebe, R. M., Goderis, S. & Frei, Robert, 2020, In: Minerals. 10, 10, 24 p., 928.

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

  7. Published

    Characterisation of the natural attenuation of chromium contamination in the presence of nitrate using isotopic methods: A case study from the Matanza-Riachuelo River basin, Argentina

    Ceballos, E., Margalef-Marti, R., Carrey, R., Frei, Robert, Otero, N., Soler, A. & Ayora, C., 2020, In: Science of the Total Environment. 699, 11 p., 134331.

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

  8. Published

    Factors Controlling the Chromium Isotope Compositions in Podiform Chromitites

    Economou-Eliopoulos, M., Frei, Robert & Mitsis, I., 2020, In: Minerals. 10, 1, 10.

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

  9. Published

    Chromium isotope composition of organic-rich marine sediments and their mineral phases and implications for using black shales as a paleoredox archive

    Frank, A. B., Klaebe, R. M., Löhr, S., Xu, L. & Frei, Robert, 2020, In: Geochimica et Cosmochimica Acta. 270, p. 338-359 22 p.

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

  10. Published

    Shallow retardation of the strontium isotope signal of agricultural liming - implications for isoscapes used in provenance studies

    Frei, Robert, Frei, K. M. & Jessen, Søren, 2020, In: Science of the Total Environment. 706, 12 p., 135710.

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

  11. Published

    Surface water oxygenation and bioproductivity – A link provided by combined chromium and cadmium isotopes in Early Cambrian metalliferous black shales (Nanhua Basin, South China)

    Frei, Robert, Lehmann, B., Xu, L. & Frederiksen, J. A., 5 Oct 2020, In: Chemical Geology. 552, 16 p., 119785.

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

  12. Published

    The link between surface water and groundwater-based drinking water – strontium isotope spatial distribution patterns and their relationships to Danish sediments

    Frei, Robert, Frei, K. M., Kristiansen, S. M., Jessen, Søren, Schullehner, J. & Hansen, B., 1 Oct 2020, In: Applied Geochemistry. 121, 11 p., 104698.

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

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ID: 11756