Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
All
101 - 150 out of 381Page size: 50
  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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-review

  5. Published

    Blyisotoper - Eksempler på deres anvendelse

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

    Research output: Contribution to journal › Journal article › Research

  6. Published

    Chromium isotopes in 3.8 Ga metamorphosed sediments: no indications for cosmic components associated with an early meteorite bombardment of the Earth

    Frei, Robert & Rosing, Minik Thorleif, 2003.

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

  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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Conference abstract in journal › Research

  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 journal › Journal article › Research › peer-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 journal › Journal article › Research

  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 journal › Journal article › Research › peer-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 proceeding › Preface/postscript › Research

  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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Conference abstract in journal › Research

  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 journal › Journal article › Research › peer-review

  28. Published

    The Nevoria gold skarn deposit, Southern Cross greenstone belt, Western Australia: II. Pressure-temperature-time path and relationship to postorogenic granites

    Mueller, A. G., Nemchin, A. A. & Frei, Robert, 2004, In: Economic Geology. Vol. 99, p. 453-478

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

  29. Published

    The occurrence of porphyritic syenite at Lake Mykle, the Oslo rift: a possible derivate of larvikite

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

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

  30. Published

    Topography-driven hydrothermal breccia mineralization of Pliocene age at Grimsel Pass, Aar massif, Central Swiss Alps

    Hofmann, B. A., Helfer, M., Diamond, L. W., Villa, I. M., Frei, Robert & Eikenberg, J., 2004, In: Schweizerische Mineralogische und Petrographische Mitteilungen. 84, 3, p. 271-302

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

  31. Published

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

    Meibom, A., Frei, Robert & Sleep, N. H., 10 Feb 2004, In: Journal of Geophysical Research: Solid Earth. 109, 2

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

  32. 2005
  33. Published

    Comparative isotopic and chemical geochronometry of monazite, with implications for U-Th-Pb dating by electron microprobe: An example from metamorphic rocks of the eastern Wyoming Craton (U.S.A.)

    Dahl, P. S., Hamilton, M. A., Jercinovic, M. L., Terry, M. P., Williams, M. L. & Frei, Robert, 2005, In: American Mineralogist. Vol. 90, p. 619-638

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

  34. Published

    Distribution of platinum-group elements and Os isotopes in chromite ores from Mayari-Baracoa Ophiolitic Belt (eastern Cuba)

    Gervilla, F., Proenza, J. A., Frei, Robert, Gonzales-Jimenes, J. M., Garrido, C. J., Melgarejo, J. C., Meibom, A., Diaz-Martinez, R. & Lavaut, W., 2005, In: Contributions to Mineralogy and Petrology. 150, p. 589-607

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

  35. Published

    Lu-Hf and PbSL geochronology of apatites from Proterozoic terranes: a first look at Lu-Hf isotopic closure in metamorphic apatite

    Barfod, G. H., Krogstad, E. J., Frei, Robert & Albarède, F., 2005, In: Geochimica et Cosmochimica Acta. Vol. 69, p. 1847-1859

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

  36. Published

    Nd isotope signature of Holocene Baltic Mn/Fe precipitates as monitor of climate change during the Little Ice Age

    Bock, B., Liebetrau, V., Eisenhauer, A., Frei, Robert & Leipe, T., 2005, In: Geochimica et Cosmochimica Acta. Vol. 69, p. 2253-2263

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

  37. Published

    Search for traces of the late heavy bombardment on Earth - Results from high precision chromium isotopes.

    Frei, Robert & Rosing, Minik Thorleif, 2005, In: Earth and Planetary Science Letters. 236, p. 28-40

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

  38. Published

    The origin of early Archean banded iron formations and of continental crust, Isua, southern West Greenland

    Polat, A. & Frei, Robert, 2005, In: Precambrian Research. Vol. 138, p. 151-175

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

  39. 2006
  40. Published

    207Pb-206Pb dating of magnetite, monazite and allanite in the central and northern Nagssugtoqidian orogen, West Greenland

    Stendal, H., Secher, K. & Frei, Robert, 2006, In: GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN. 11, p. 101-114

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

  41. Published

    2480 Ma mafic magmatism in the northern Black Hills, South Dakota: a new link connecting the Wyoming and Superior cratons

    Dahl, P. S., Hamilton, M. A., Wooden, J. L., Foland, K. A. & Frei, Robert, 2006, In: Candian Journal of Earth Sciences. 43, p. 1579-1600

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

  42. Published

    A lead isotope study of an Archaean gold prospect in the Attu region, Nagssugtoqidian orogen, West Greenland

    Stendal, H., Frei, Robert & Stensgaard, B. M., 2006, In: GEOLOGICAL SURVEY OF DENMARK AND GREENLAND BULLETIN. 11, p. 53-60

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

  43. Published

    Field and geochemical characterisitics of the Mesoarchean (~3075 ma) Ivisaartoq greenstone belt, southern West Greenland: Evidence for seafloor hydrothermal alteration in a supra-subduction oceanic crust.

    Polat, A., Appel, P. W. U., Frei, Robert, Pan, Y., Dilek, Y., Ordonez-Calderon, J. C., Fryer, B., Hollis, J. A. & Raith, J. G., 2006, In: Gondwana Research. 11, p. 69-91

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

  44. Published

    Geochemical and Pb-Sr-Nd isotopic composition of ultrapotassic volcanic rocks from the extension-related Camardi-Ulukisla basin, Nigde Province, Central Anatolia, Turkey

    Alpaslan, M., Boztug, D., Frei, Robert, Temel, A. & Kurt, M. A., 2006, In: Journal of Asian Earth Sciences. 27, p. 613-627

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

  45. Published

    Lithostratigraphy and geochronology of the Neoproterozoic crystalline basement of Salalah, Dhofar, Sultanate of Oman

    Mercolli, I., Briner, A. P., Frei, Robert, Schoenberg, R., Naegler, T. F., Kramers, J. D. & Peters, T., 2006, In: Precambrian Research. 145, p. 182-206

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

  46. Published

    Nd-Sr-Pb isotopic geochemistry of scheelite from the Woxi W-Sb-Au deposit, Eastern Hunan: implicarions for sources and evolution of ore-forming fluids

    Peng, B., Frei, Robert & Xianglin, T. T., 2006, In: Acta Geologica Sinica - English Edition. 80, p. 561-570

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

  47. Published

    Neoproterozoic to Early Palaeozoic events in the Sierra de San Luis: implications for the Famatinian geodynamics in the Eastern Sierras Pampeanas (Argentina)

    Steenken, A., Siegesmund, S., Lopez de Luchi, M., Frei, Robert & Wemmer, K., 2006, In: Geological Society of London Special Publications. 163, p. 965-982

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

  48. Published

    Os isotope heterogeneity of the convecting upper mantle: The Mayari- Btacoa Ophiolitic Belt (eastern cuba)

    Frei, Robert, Gervilla, F., Meibom, A. & Proenza, J. A., 2006, In: Earth and Planetary Science Letters. 241, p. 466-476

    Research output: Contribution to journal › Journal article › Research

  49. Published

    Provenance of rutile from the Yaounde region, Neoproterozoic Pan-African belt in southern Cameroon (Central Africa)

    Stendal, H., Toteu, S. F., Frei, Robert, Penaye, J., Njel, U. O., Bassahak, J., Nni, J., Kankeu, B., Ngako, V. & Hell, J. V., 2006, In: Journal of African Earth Sciences. 44, p. 443-458

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

  50. Published

    Source heterogeneity for the major components of ~3.7 Ga banded iron formations (Isua Greenstone Belt, Western Greenland): tracing the nature of interacting water masses in BIF formation

    Frei, Robert & Polat, A., 2006, In: Earth and Planetary Science Letters. 253, p. 266-281

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

  51. Published

    The Mesoproterozoic Midsommersø dolerites and associated intrusions, North Greenland: crustal melting, contamination and hydrothermal alteration

    Kalsbeek, F. & Frei, Robert, 2006, In: Contributions to Mineralogy and Petrology. 152, p. 89-110

    Research output: Contribution to journal › Journal article › Research

  52. Published

    The genesis of Archean chromitites from the Nuasahi and Sukinda massifs in the Singhbhum Cration, India

    Mondal, S. K., Ripley, E. M., Li, C. & Frei, Robert, 2006, In: Precambrian Research. 148, p. 45-66

    Research output: Contribution to journal › Journal article › Research

  53. Published

    Os isotope heterogeneity of the upper mantle: Evidence from the Mayarí-Baracoa ophiolite belt in eastern Cuba

    Frei, Robert, Gervilla, F., Meibom, A., Proenza, J. A. & Garrido, C. J., 31 Jan 2006, In: Earth and Planetary Science Letters. 241, 3-4, p. 466-476 11 p.

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

  54. Published

    The genesis of Archaean chromitites from the Nuasahi and Sukinda massifs in the Singhbhum Craton, India

    Mondal, S. K., Ripley, E. M., Li, C. & Frei, Robert, 20 Jul 2006, In: Precambrian Research. 148, 1-2, p. 45-66 22 p.

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

Previous 1 2 3 4 5 6 7 8 Next

ID: 11756