Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
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1 - 10 out of 16Page size: 10
  1. 2015
  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

    Chemostratigraphy of Neoproterozoic Banded Iron Formation (BIF): Types, Age and Origin

    Gaucher, C., Sial, A. N. & Frei, Robert, 2015, Chemostratigraphy: Concepts, Techniques, and Applications. Ramkumar, M. (ed.). Elsevier, p. 433–449

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

  4. Published

    Chromium isotope fractionation during coprecipitation with calcium carbonate

    Rodler, A., Sánchez-Pastor, N., Fernández-Díaz, L. & Frei, Robert, 2015. 1 p.

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

  5. Published

    Coral-based climate records from tropical South Atlantic: 2009/2010 ENSO event in C and O isotopes from Porites corals (Rocas Atoll, Brazil)

    Pereira, N. S., Sial, A. N., Kikuchi, R. K. P., Ferreira, V. P., Ullmann, C. V., Frei, Robert & Cunha, A. M. C., 2015, In: Anais da Academia Brasileira de Ciencias.. 87, 4, p. 1939-1957 19 p.

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

  6. 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

  7. 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

  8. Published

    Global Cr-isotope distributions in surface seawater and incorporation of Cr isotopes into carbonate shells

    Paulukat, C. S., Frei, Robert, Vögelin, A. R. & Samankassou, E., 2015.

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

  9. 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

  10. Published

    Oxidative release of chromium from Archean ultramafic rocks, its transport and environmental impact – A Cr isotope perspective on the Sukinda valley ore district (Orissa, India)

    Paulukat, C. S., Døssing, L. N., Mondal, S. K., Vögelin, A. R. & Frei, Robert, 2015, In: Applied Geochemistry. 59, p. 125-138

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

  11. 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

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