Robert Frei

Robert Frei

Professor


  1. 2003
  2. Published

    Alkali picrites formed by melting of old Metasomatized Lithospheric Mantle: Manîtdlat Member, Vaigat Formation, Paleocene of West Greenland

    Larsen, L. M., Pedersen, Asger Ken, Sundvoll, B. & Frei, Robert, 2003, In: Journal of Petrology. 44, p. 3-38

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Alkali picrites formed by melting of old metasomatised lithospheric mantle: Manîtdlat Member, Vaigat Formation, Palaeocene of West Greenland

    Larsen, L. M., Sundvoll, B. & Frei, Robert, 2003, In: Journal of Petrology. 44, p. 3-38

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Anthropogenic contributions to atmospheric Hg, Pb and As deposition recorded by peat cores from southern Greenland and Denmark dated using the 14C "bomb pulse curve"

    Shotyk, W., Goodsite, M. E., Roos-Barraclough, F., Frei, Robert, Heinemeier, J., Asmund, G., Lohse, C. & Hansen, T. S., 2003, In: Geochimica et Cosmochimica Acta. 67, p. 3991-4011

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Blyisotoper - Eksempler på deres anvendelse

    Frei, Robert & Stendal, H., 2003, In: Varv. 1, p. 23-32

    Research output: Contribution to journalJournal articleResearch

  6. Published
  7. Published

    High Precision Ru, Pd, Ir, Pt, Re and REE Determinations in the Stevns Klint Cretaceous-Tertiary Boundary Reference Material (FC-1) by Isotope Dilution Multiple Collector Inductively Coupled Plasma-Mass Spectrometry

    Jensen, K. K., Baker, J. A., Waight, Tod, Frei, Robert & Peate, D. W., 2003, In: Geostandards and Geoanalytical Research. 27, p. 59-66

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Isotope geochemistry and origin of illite-smectite and kaolinite from the Seilitz and Kemmlitz kaolin deposits, Germany

    Gilg, H. A., Weber, B., Kasbohm, J. & Frei, Robert, 2003, In: Clay Minerals. 38, p. 95-112

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    On the formation of peridotite-derived Os-rich PGE alloys

    Brenker, F. E., Meibom, A. & Frei, Robert, 2003, In: American Mineralogist. 88, p. 1731-1740

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Osmium and helium isotopic evidence against the standard stratification model of Earth's mantle

    Meibom, A., Anderson, D. L., Sleep, N. H., Frei, Robert, Chamberlain, C. P., Hren, M. T. & Wooden, J. L., 2003, In: Earth and Planetary Science Letters. 208, p. 197-204

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Re-Os, Sm-Nd isotope- and REE systematics on komatiites and pilow basalts from the Earth's oldest oceanic crustal fragments (Isua Supracrustal Belt, W Greenland)

    Frei, Robert & Kastbjerg Jensen, B., 2003, In: Chemical Geology. 196, p. 163-191

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Isotope geochemistry and origin of illite-smectite and kaolinite from the Seilitz and Kemmlitz kaolin deposits, Saxony, Germany

    Gilg, H. A., Weber, B., Kasbohm, J. & Frei, Robert, 1 Mar 2003, In: Clay Minerals. 38, 1, p. 95-112 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Re-Os, Sm-Nd isotope- and REE systematics on ultramafic rocks and pillow basalts from the Earth's oldest oceanic crustal fragments (Isua Supracrustal Belt and Ujaragssuit nunât area, W Greenland)

    Frei, Robert & Jensen, B. K., 15 May 2003, In: Chemical Geology. 196, 1-4, p. 163-191 29 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. 2004
  15. Published

    "U-rich Archaean sea-floor sediments from Greenland-indications of >3700 Ma Oxygenic photosynthesis"

    Rosing, Minik Thorleif & Frei, Robert, 2004, In: Earth and Planetary Science Letters. 217, p. 237-244 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Geochemical and Pb-Sr-Nd isotopic constraints indicating an enriched mantle source for late Cretaceous to early Tertiary volcanism, Central Anatolia, Turkey

    Alpaslan, M., Frei, Robert, Boztug, D., Kurt, M. A. & Temel, A., 2004, In: International Geology Review. Vol. 46/11, p. 1022-1041

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Lead isotopic results of the Mpanda Mineral Field mineralizations (SW Tanzania)

    Stendal, H., Frei, Robert, Muhongo, S., Rasmussen, T. M., Mnali, S., Petro, F. & Temu, E. B., 2004, In: Journal of African Earth Sciences. Vol. 38, p. 437-447

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Mantle heterogeneity during the formation of the North Atlantic Igneous Province: Constraints from trace element and Sr-Nd-Os-O isotope systematics of Baffin Island picrites

    Kent, A. J. R., Stolper, E. M., Francis, D., Woodland, J., Frei, Robert & Eiler, J., 2004, In: Geochemistry Geophysics Geosystems. Vol. 5/11, p. Q11004

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Nd and Pb isotopes of Mn/Fe precipitates of the Baltic Sea: climate change versus pollution

    Bock, B., Liebetrau, V., Eisenhauer, A., Frei, Robert, Kronz, A. & Leipe, T., 2004, In: Geochimica et Cosmochimica Acta. 11S, p. A480

    Research output: Contribution to journalConference abstract in journalResearch

  20. Published

    Nd-Sr-Pb isotopic constraints on metal and fluid sources in W-Sb-Au mineralization at Woxi and Liaojiaping (Western Hunan, China)

    Peng, B. & Frei, Robert, 2004, In: Mineralium Deposita. Vol. 39, p. 313-327

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Origin of the ultrapotassic volcanics within the Late Cretaceous to early Tertiary Ulukisla Basin, Central Anatolia, Turkey. 14th Annual V.M. Goldschmidt Conference, Copenhagen, Denmark, June 7-12

    Alpaslan, M., Frei, Robert, Kurt, M. A., Temel, A. & Boztug, D., 2004, In: Geochimica et Cosmochimica Acta. Vol. 68/11S, p. A605

    Research output: Contribution to journalJournal articleResearch

  22. Published

    Osmium isotopic compositions of Os-rich platinum group element alloys from the Klamath and Siskiyou Mountains, USA

    Meibom, A., Frei, Robert & Sleep, N. H., 2004, In: Journal of Geophysical Research - Oceans. Vol. 109, p. B02203

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Pan-African(?) rutile in the Yaoundé region, Cameroon

    Stendal, H., Toteu, S. F., Frei, Robert, Njel, U. O., Konnerup-Madsen, J., Bassahak, J., Penaye, J. & Nni, J., 2004, 20th Colloquium of African geology, Orleans, France, 2-7 June 2004. Abstract volume. Orleans, p. 385

    Research output: Chapter in Book/Report/Conference proceedingPreface/postscriptResearch

  24. Published

    Porphyritic syenite at Lake Mykle, the Oslo rift: a possible derivative of larvikite

    Andersen, T., Frei, Robert, Sørensen, H. & Westphal, N. L., 2004, In: Norges Geologiske Undersøkelse, Bulletin. 442, p. 23-28

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Radiometric growth rate and Pb isotope evolution of Mn/Fe precipitates from the SW-Baltic Sea

    Liebetrau, V., Eisenhauer, T., Frei, Robert, Kronz, A., Bock, B., Hansen, B. T. & Leipe, T., 2004, In: Zeitschrift für Angewandte Geologie. special issue (Sonderheft 2), p. 177-197

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 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

  27. Published

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

    Frei, Robert, Polat, A. & Meibom, A., 2004, In: Geochimica et Cosmochimica Acta. Vol. 68, p. 1645-1660

    Research output: Contribution to journalJournal articleResearchpeer-review

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