Robert Frei

Robert Frei

Professor


  1. Udgivet

    Trace element and isotopic characterization of Neoarchean and Paleoproterozoic iron formations in the Black Hills (South Dakota, USA): assessment of chemical change during 2.9-1.9 Ga deposition bracketing the 2.4-2.2 Ga first rise of atmospheric oxygen

    Frei, Robert, Frei, K. M., Rintza Hansen, T., Munck Frandsson, M. & Apel Jensen, L., 2008, I: Precambrian Research. 162, s. 441-474 33 s.

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

  2. Udgivet

    Trace element and isotopic characterization of Neoarchean - Paleoproterozoic BIFs (Black Hills, South Dakota, USA) straddling thefirst rise of atmospheric oxygen between 2.4 and 2.0 Ga

    Frei, Robert & Dahl, P. S., 2008, I: Geochim. Cosmochim.. Acta 71, Supplement 1, s. A296

    Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskning

  3. Udgivet

    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, I: Geochim. Cosmochim.. Acta 71, Supplement 1, s. A296

    Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskning

  4. Udgivet

    Molybdenum isotope variations in a redox-stratified lake: Removal mechanism and preservation in euxinic sediments

    Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Rosing, Minik Thorleif, Frei, Robert & Canfield, D. E., 2008, Geochim. Cosmochim. Acta,. Bind 72/12S. s. A194

    Publikation: Bidrag til bog/antologi/rapportKonferenceabstrakt i proceedingsForskning

  5. Udgivet

    Mo isotope variations in meromictic Lake Cadagno

    Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Frei, Robert & Canfield, D. E., 2008, I: Geochim. Cosmochim.. Acta 71, Supplement 1, s. p. A196

    Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskning

  6. Udgivet

    Was the Black Hills domain (South Dakota) always part of the Archean Wyoming Craton? new evidence from ~3.4-2.7 Ga detrital-zircon populations found in both ~1.9 and ~2.5 Ga strata

    Dahl, P. S., Frei, Robert & Whitehouse, W. M. J., 2008, Geological Society of America Abstracts with Programs. Bind 40(6). s. 145-15

    Publikation: Bidrag til bog/antologi/rapportKonferenceabstrakt i proceedingsForskning

Forrige 1 2 Næste

ID: 11756