Robert Frei

Robert Frei

Professor


  1. Published

    Mono-sample pb-pb dating of pyrrhotite and tourmaline: Proterozoic vs. Archean intracratonic gold mineralization: reply

    Frei, Robert & Pettke, T., 1 Dec 1997, In: Geology. 25, 7, p. 670-671 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  2. Published

    Chromium isotopes in carbonates — A tracer for climate change and for reconstructing the redox state of ancient seawater

    Frei, Robert, Gaucher, C., Døssing, L. N. & Sial, A. N., 30 Oct 2011, In: Earth and Planetary Science Letters. 312, p. 114–125 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    The Hadean upper mantle conundrum: Evidence for source depletion and enrichment from Nd and Os isotopic compositions in 3.71 Gy boninite-like metabasalts from the Isua Supracrustal Belt

    Frei, Robert, Polat, A. & Meibom, A., 2004, In: Geochimica et Cosmochimica Acta. 11S, p. A744

    Research output: Contribution to journalConference abstract in journalResearch

  4. Published

    The evolution of the mineralizing fluid in the porphyry copper system of Skouries, NE Chalkidiki, (Greece): evidence from combined Pb-Sr and stable isotope data

    Frei, Robert, 1995, In: Economic Geology . 90, p. 746-762

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Earth´s oldest BIFs (Isua, W Greenland): constraints from Ge/Si ratios, REE systematics and Sm-Nd and Pb isotopes for differentinteracting water masses during their formation

    Frei, Robert & Polat, A., 2008, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A296

    Research output: Contribution to journalConference abstract in journalResearch

  6. Published

    Mineral occurrences in central East Greenland (70 N-75 N) and their relation to the Caledonian orogeny: a Sr-Nd-Pb isotopic study of scheelite

    Frei, Robert & Stendal, H., 2008, The Greenland Caledonides - evolution of the northeast margin of Laurentia. Smith, M. P., Higgins, A. K. & Gilotti, J. A. (eds.). Boulder, Colo.: The Geological Society of America, p. 293-306 (Memoir / Geological Society of America; No. 202).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  7. Published

    Oxidative elemental cycling under the low O2 Eoarchean atmosphere

    Frei, Robert, Crowe, S. A., Bau, M., Polat, A., Fowle, D. A. & Døssing, L. N., 11 Feb 2016, In: Scientific Reports. 6, 21058.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes

    Frei, Robert, Gaucher, C., Canfield, D. E. & Poulton, S. W., 2009, In: Nature. 461, p. 250-253

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Isotope (Pb, Rb-Sr, S, O, C, U-Pb) geochemical investigations on Tertiary intrusives and related mineralizations in the Serbomacedonian Pb-Zn, Sb+Cu-Mo metallogenetic province in Northern Greece

    Frei, Robert, 1992, Swiss Federal Institute of Technology (ETH) Zürich, Switzerland. 231 p.

    Research output: Book/ReportPh.D. thesisResearch

  10. Published

    Studies of progressive leaching in single mineral Pb/Pb dating: Nuclear Microprobe Technology and Applications

    Frei, Robert, Prozesky, V. M. & Przybylowicz, W., 1997, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. B 130, p. 676-681

    Research output: Contribution to journalJournal articleResearchpeer-review

Previous 1...7 8 9 10 11 12 13 14 ...39 Next

ID: 11756