Robert Frei

Robert Frei

Professor


  1. 1996
  2. Published

    Archean and proterozoic mineralization and tectonics at the Renco mine (Northern Marginal Zone, Limpopo Belt, Zimbabwe)

    Blenkinsop, T. G. & Frei, Robert, 1 Dec 1996, In: Economic Geology . 91, 7, p. 1225-1238 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Isotope systematics in vein gold from Brusson, Val d'Ayas (NW Italy), 1. Pb/Pb evidence for a Piemonte metaophiolite Au source

    Pettke, T. & Frei, Robert, 10 Jan 1996, In: Chemical Geology. 127, 1-3, p. 111-124 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Efficient N-TIMS rhenium isotope measurements on outgassed tantalum filaments: Very low filament blanks determined by a "standard addition" approach

    Frei, Robert, Nägler, T. F. & Meisel, T., 1 Jan 1996, In: International Journal of Mass Spectrometry and Ion Processes. 153, 2-3, p. L7

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Mono-sample Pb-Pb dating of pyrrhotite and tourmaline: Proterozoic vs. Archean intracratonic gold mineralization in Zimbabwe

    Frei, Robert & Pettke, T., 1 Jan 1996, In: Geology. 24, 9, p. 823-826 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Age constraints of reduction spot formation from Permian red bed sediments, northern Switzerland, inferred from U-Th-Pb systematics

    Hofmann, B. A. & Frei, Robert, 1996, In: Schweizerische Mineralogische und Petrographische Mitteilungen. 76, p. 235-244

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Archean and Proterozoic mineralization and tectonics at Renco Mine (Northern Marginal Zone, Limpopo Belt, Zimbabwe)

    Blenkinsop, T. G. & Frei, Robert, 1996, In: Economic Geology. 91, p. 1225-1238

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Efficient N-TIMS Re-isotope measurements on outgassed Ta filaments: very low filament blanks determined by a "standard addition" approach

    Frei, Robert, Nägler, T. F. & Meisel, T., 1996, In: International Journal of Mass Spectrometry. 76, p. L7-L10

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Isotope systematics in vein gold from Brusson, Val d'Ayaz (NW Italy). I: Pb/Pb evidence for a Piemonte metaophiolite Au source

    Pettke, T. & Frei, Robert, 1996, In: Chemical Geology. 127, p. 11-124

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Mono-sample Pb-Pb dating of pyrrhotite and tourmaline: Archean vs. Proterozoic gold mineralization in Zimbabwe

    Frei, Robert & Pettke, T., 1996, In: Geology. 24, p. 823-826

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Sr, Pb and Nd isotope studies and their bearing on the petrogenesis of the Jalor and Siwana complexes, Rajasthan, India: A reply

    Dhar, S., Frei, Robert, Kramers, J. D., Nägler, T. F. & Kochhar, N., 1996, In: Journal of the Geological Society of India. 49, 4, p. 466-469

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Sr, Pb and Nd isotope studies and their bearing on the petrogenesis of the Jalor and Siwana complexes, Rajasthan, India

    Dhar, S., Frei, Robert, Kramers, J. D., Nägler, T. F. & Kochhar, N., 1996, In: Journal of the Geological Society of India. 48, 2, p. 151-160

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Sulfur in bulk rock and igneous apatite: tracing mineralized and barren trends in intrusions

    Frei, Robert, 1996, In: Schweizerische Mineralogische und Petrographische Mitteilungen. 127, p. 57-73

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The extent of inter-mineral isotope equilibrium: a systematic bulk U-Pb step leaching (PbSL) isotope study of individual minerals from the Tertiary granite of Jerissos (northern Greece)

    Frei, Robert, 1996, In: European Journal of Mineralogy. 8, p. 1175-1189

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Timing between granitoid emplacement and associated gold mineralization: examples from the ca. 2.7 Ga Harare-Shamva Greenstone Belt, Northern Zimbabwe

    Vinyu, M. L., Frei, Robert, Frei, Robert & Jelsma, H. A., 1996, In: Canadian Journal of Earth Sciences. 33, 7, p. 981-992

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 11756