Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

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  1. Published

    Fractionation behavior of chromium isotopes during coprecipitation with calcium carbonate: implications for their use as paleoclimatic proxy

    Rodler, A., Sánchez-Pastor, N., Fernández-Díaz, L. & Frei, Robert, 2015, In: Geochimica et Cosmochimica Acta. 164, p. 221-235 15 p.

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

  2. Published

    Algoma-type Neoproterozoic BIFs and related marbles in the Seridó Belt (NE Brazil): REE, C, O, Cr and Sr isotope evidence

    Sial, A. N., Campos, M. S., Gaucher, C., Frei, Robert, Ferreira, V. P., Nascimento, R. C., Nascimento, R. C., Pereira, N. S. & Rodler, A., 2015, In: Journal of South American Earth Sciences. 61, p. 33-52 20 p.

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

  3. Published

    Chemical and isotopic architecture of the belemnite rostrum

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Hesselbo, S. P., 5 Jun 2015, In: Geochimica et Cosmochimica Acta. 159, p. 231-243 13 p.

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

  4. Published

    Reading the record: Understanding heterogeneity in macrofossil geochemistry

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Hesselbo, S. P., 2015, p. p. 375 .

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

  5. Published

    Geochemistry of the belemnite rostrum: Genesis and diagenesis

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Hesselbo, S. P., 2015, p. 3203.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  6. Published

    Macrofossil calcite: challenges and benefits of heterogeneity

    Ullmann, C. V., Korte, Christoph, Frei, Robert & Hesselbo, S. P., 2015, p. p. 61.

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

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