Robert Frei
Professor
Geology
Øster Voldgade 10
1350 København K
- 2009
- Published
Provenance of ancient textiles - a pilot study evaluating the strontium isotope system in wool
Frei, Karin Margarita, Frei, Robert, Nosch, Marie Louise Bech, Mannering, U., Gleba, M. & Lyngstrøm, Henriette Syrach, 2009, In: Archaeometry. 51, 2, p. 252-276 25 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 250-253Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Lead-isotope and trace-element geochemistry of Paleoproterozoic metasedimentary rocks in the Lead and Rochford basins (Black Hills, South Dakota, USA): implications for genetic models, mineralization ages, and sources of ore leads for the Homestake gold deposit
Frei, Robert, Dahl, P. S., Frandsson, M. M., Jensen, L. A., Hansen, T. R., Terry, M. P. & Frei, Karin Margarita, 2009, In: Precambrian Research. 172, 1-2, p. 1-24Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the valency state of radiogenic lead in zircon and its consequences
Kramers, J., Frei, Robert, Newville, M., Kober, B. & Villa, I., 2009, In: Chemical Geology. 261, p. 4-11Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tectonomagmatic events during stretching and basin formation in the Labrador Sea and the Davis Strait: evidence from age and composition of Mesozoic to Palaeogene dyke swarms in West Greenland.
Larsen, L. M., Heaman, L. M., Creaser, R. A., Duncan, R. A., Frei, Robert & Hutchinson, M., 2009, In: Journal of the Geological Society - London. 166, p. 999-1012Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The origin of geochemical trends and Eoarchean (ca. 3700 Ma) zircons in Mesoarchean (ca. 3075 Ma) ocelli-hosting pillow basalts, Ivisaartoq greenstone belt, SW Greenland: evidence for crustal contamination versus crustal recycling.
Polat, A. B., Frei, Robert, Fryer, B. & Appel, P. W. U., 2009, In: Chemical Geology. 268, p. 248-271Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Trace element systematics of the Neoarchean Fiskenæsset anorthosites and associated rocks, SW Greenland: Evidence for a magmatic arc origin.
Polat, A. B., Appel, P. W. U., Fryer, B., Windley, B., Frei, Robert, Samson, I. M. & Huang, H., 2009, In: Precambrian Research. 175, p. 87-115Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cerium Isotope Fractionation during Oxidative Precipitation.
Weber, T., Frei, Robert, Rosing, Minik Thorleif, Canfield, D., Dideriksen, K., Nedel, S., Stipp, S. L. S., Telouk, P. & Albarede, F., 2009. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- 2008
- Published
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. Vol. 40(6). p. 145-15Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Mo isotope variations in meromictic Lake Cadagno
Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Frei, Robert & Canfield, D. E., 2008, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. p. A196Research output: Contribution to journal › Conference abstract in journal › Research
- Published
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,. Vol. 72/12S. p. A194Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Chromium isotopes in the marine environment through time: a suitable paleoredox tracer?
Frei, Robert, 2008, Geochim. Cosmochim.: Acta. Vol. 72/12S. p. A283Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 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. A296Research output: Contribution to journal › Conference abstract in journal › Research
- 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 proceeding › Book chapter › Research
- Published
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, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A296Research output: Contribution to journal › Conference abstract in journal › Research
- Published
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, In: Precambrian Research. 162, p. 441-474 33 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
U-Pb geochronologic study of magmatic zircon in Paleoproterozoic granitic pegmatite and associated metapelites, Black Hills, South Dakota: Implications for gold petrogenesis and sedimentary provenance
Ghosh, A., Frei, Robert, Whitehouse, M. J. & Dahl, P. S., 2008, Geological Society of America Abstracts with Programs,. Vol. 40(6). p. 145-160Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
New evidence for 2.01 Ga rifting of the easternmost Wyoming craton (Black Hills, SD): implications for break-up of a supercraton (Superia)
Hark, J. S., Frei, Robert, Whitehouse, M. J. & Dahl, P. S., 2008, Geological Society of America Abstracts with Programs. Vol. 40(6). p. 145-170Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
Granites and granites in the East Greenland Caledonides
Kalsbeek, F., Higgins, A. K., Jepsen, H. F., Frei, Robert & Nutman, A. P., 2008, The Greenland Caledonides - evolution of the northeast margin of Laurentia. Higgins, A. K., Gilotti, J. A. & Smith, M. P. (eds.). Boulder, Colo.: Geological Society, p. 227-249 (Memoir / Geological Society of America; No. 202).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Polyorogenic history of the East Greenland Caledonides
Kalsbeek, F., Thrane, K., Higgins, A. K., Jepsen, H. F. & Frei, Robert, 2008, The Greenland Caledonides - evolution of the northeast margin of Laurentia. Higgins, A. K., Smith, M. P. & Gilotti, J. A. (eds.). Boulder, Colo.: The Geological Society of America, p. 55-72 (Memoir / Geological Society of America; No. 202).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Petrologic, Geochemical and Isotopic Study of 3.1Ga Peridotite-Chromitite Suite from the Western Dharwar Craton, India: Evidence for Recycling of Oceanic Crust in the Mesoarchean
Mondal, S. K., Mukherjee, R., Rosing, Minik Thorleif, Frei, Robert & Waight, Tod, 2008, In: EOS : Transactions. 5, 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
An overview of the lithological and geochemical characteristics of the Mesoarchean (ca. 3075) Ivisaartoq greenstone belt, southern West Greenland
Polat, A., Frei, Robert, Appel, P. W. U., Fryer, B., Dilek, Y. & Ordonez-Calderon, J. C., 2008, In: Geological Society of America. Special Papers. 440, p. 51-76Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The origin and compositions of Mesoarchean oceanic crust: evidence from the 3075 Ma Ivisaartoq greenstone belt, southern West Greenland
Polat, A., Frei, Robert, Appel, P. W. U., Dilek, Y., Fryer, B., Ordonez-Calderon, J. C. & Yang, Z., 2008, In: Lithos. 100, p. 293-321Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Assessing Mass-dependent Isotope Fractionation of Cerium
Weber, T., Frei, Robert & Rosing, Minik Thorleif, 2008, In: EOS : Transactions. 53Research output: Contribution to journal › Conference abstract in journal › Research
- 2007
- Published
Tracing redox processes during paleoclimatic changes in the Neoproterozoic: stable chromium isotopic results from the Arroyo del Soldado Group (Ediacaran, Uruguay)
Frei, Robert & Gaucher, C., 2007.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
A shear zone related greenstone belt hosted gold mineralization in the Archean of West Greenland. a petrographic and combined Pb and Rb-Sr isotope geochemical characterization
Juul-Pedersen, A., Frei, Robert, Appel, P. W. U., Persson, M. & Konnerup-Madsen, J., 2007, In: Ore Geology Reviews. 32, p. 20-36Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Os isotope systematics of Mesoarchean chromitite - PGE deposits in the Singhbhum Craton (India): implications for the evolution of subcontinental lithospheric mantle
Mondal, S. K., Frei, Robert & Ripley, E. M., 2007, In: Chemical Geology. 244, p. 391-408Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Post-collisional transition from calc-alkaline to alkaline magmatism during transcurrent deformation in the southernmost Dom Feliciano Belt (Braziliano-Pan African, Uruguay)
Oyhantcabal, P., Siegesmund, S., Wemmer, K., Frei, Robert & Layer, P., 2007, In: Lithos. v, 98, p. 141-159Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Plagiogranitic ocelli in the pillowlavas of the Eoarchean (3.7-3.8 Ga) Isua greenstone belt, SW Greenland.
Polat, A., Appel, P. W. U. & Frei, Robert, 2007, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A800Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Petrogenesis of Delihalil Quaternary basaltic volcanism, South Anatolia, Turkey
Temel, A., Frei, Robert, Alpaslan, M. & Kurt, M. A., 2007, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A1012Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Geochemical characteristics of the Quaternary volcanic rocks from Hatay region, Southern Turkey: Evidence for lithospheric mantle source. Geochim
Varol, E., Frei, Robert, Alpaslan, M., Kurt, M. A. & Temmel, A., 2007, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. A1059Research output: Contribution to journal › Conference abstract in journal › Research
- 2006
- 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. 613-627Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1579-1600Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 466-476Research output: Contribution to journal › Journal article › Research
- 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
- 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. 266-281Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 89-110Research output: Contribution to journal › Journal article › Research
- 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. 182-206Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 45-66Research output: Contribution to journal › Journal article › Research
- 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
- 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. 561-570Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 69-91Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 965-982Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 101-114Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 53-60Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 443-458Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- 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. 1847-1859Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 2253-2263Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 619-638Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 28-40Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 589-607Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 151-175Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- 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. 1022-1041Research output: Contribution to journal › Journal article › Research › peer-review
- 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. A605Research output: Contribution to journal › Journal article › Research
- 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. 23-28Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 23-28Research output: Contribution to journal › Journal article › Research › peer-review
- 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. A480Research output: Contribution to journal › Conference abstract in journal › Research
- 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. A744Research output: Contribution to journal › Conference abstract in journal › Research
- 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. 1645-1660Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 271-302Research output: Contribution to journal › Journal article › Research › peer-review
- 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. Q11004Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 177-197Research output: Contribution to journal › Journal article › Research › peer-review
- 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. B02203Research output: Contribution to journal › Journal article › Research › peer-review
- 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, 2Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 453-478Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 313-327Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 437-447Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 385Research output: Chapter in Book/Report/Conference proceeding › Preface/postscript › Research
- 2003
- Published
On the formation of peridotite-derived Os-rich PGE alloys
Brenker, F. E., Meibom, A. & Frei, Robert, 2003, In: American Mineralogist. 88, p. 1731-1740Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Blyisotoper - Eksempler på deres anvendelse
Frei, Robert & Stendal, H., 2003, In: Varv. 1, p. 23-32Research output: Contribution to journal › Journal article › Research
- 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
- 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. 163-191Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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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
- 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. 95-112Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 59-66Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3-38Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3-38Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 197-204Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3991-4011Research output: Contribution to journal › Journal article › Research › peer-review
- 2002
- Published
The age of the earliest animal fossils
Barfod, G. H., Albarède, F., Knoll, A. A., Shuhai, X., Trelouk, P., Frei, Robert & Baker, J. A., 2002, In: Earth and Planetary Science Letters. 201, p. 203-212Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New Lu-Hf and Pb-Pb age constraints on the earliest animal fossils
Barfod, G. H., Albarède, F., Knoll, A. H., Xiao, S., Télouk, P., Frei, Robert & Baker, J., 13 Aug 2002, In: Earth and Planetary Science Letters. 201, 1, p. 203-212 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The origin of phonolites and trachytes from the Col de Guéry area, le Mont-Dore, Massif Central, France
Bernth, U., Brousse, R., Frei, Robert & Sørensen, H., 2002, In: Matematisk Fysiske Meddelelser - Kongelige Danske Videnskabernes Selskab. 50, p. 61Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A multi-isotopic and trace element investigation of the Cretaceous-Tertiary boundary layer at Stevns Klint, Denmark - inferences for the origin and nature of siderophile and lithophile element geochemical anomalies
Frei, Robert & Frei, K. M., 2002, In: Earth and Planetary Science Letters. 203, p. 691-708Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Blyisotoper og deres anvendelse
Frei, Robert, 2002, In: Varv. 4, p. 17-26Research output: Contribution to journal › Journal article › Research
- Published
Hydrothermal - metasomatic and tectono-metamorphic processes in the Isua Supracrustal Belt (West Greenland): a multi-isotopic investigation of their effects on the Earth's oldest oceanic crustal sequence
Frei, Robert, Rosing, Minik Thorleif, Waight, Tod & Ulfbeck, D. G., 2002, In: Geochimica et Cosmochimica Acta. 66, p. 467-486Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Alkaline lithosphere-derived lavas within the Paleocene tholeiitic flood lava succession in West Greenland
Larsen, L. M., Pedersen, Asger Ken, Sundvoll, B. & Frei, Robert, 2002, 25th Nordic Geological Winter Meeting. Reykjavik, Island, p. 122Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Erratum: (Science (April 19) (516))
Meibom, A. & Frei, Robert, 16 Aug 2002, In: Science. 297, 5584, 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Evidence for an ancient, highly radiogenic osmium isotopic reservoir in Earth
Meibom, A. & Frei, Robert, 2002, In: Kexue (Shanghai). 296, p. 516-518Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Re-Os isotopic evidence for long-lived heterogeneity and equilibration processes in the Earth's upper mantle
Meibom, A., Sleep, N. H., Chamberlain, C. P., Coleman, R. G., Frei, Robert, Hren, M. & Wooden, J. L., 2002, In: Nature. 419, p. 705-708Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New 207Pb-206Pb and 40Ar-39Ar ages from SW Montana, USA: constraints on the Proterozoic and Archean tectonic and depositional history of the Wyoming Province
Roberts, H., Dahl, P., Kelly, S. & Frei, Robert, 2002, In: Precambrian Research. 117, p. 119-143Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A metamorphosed, early Archean chromitite from West Greenland: implications for the genesis of Archean anothositic chromitites
Rollinson, H., Appel, P. & Frei, Robert, 2002, In: Journal of Petrology. 43, p. 2143-2170Research output: Contribution to journal › Journal article › Research › peer-review
- 2001
- Published
Response to "Comment on "The Nd and Hf isotopic evolution of the mantle through the Archean. Results from the Isua supracrustals, West Greenland, and from the Birimian terranes of West Africa" by Blichert-Toft et al. (1999)
Albarede, F., Blichert-Toft, J., Frei, Robert & Rosing, Minik Thorleif, 2001, In: Geochimica et Cosmochimica Acta. 65, p. 2023-2025Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Complex Sm-Nd and Lu-Hf isotope systematics of metamorphic garnets from the Isua Supracrustal Belt, West Greenland
Blichert-Toft, J. & Frei, Robert, 2001, In: Geochimica et Cosmochimica Acta. 65, p. 3177-3187Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The least radiogenic terrestrial leads: implications for the early Archean crustal evolution and hydrothermal-metasomatic processes in the Isua Supracrustal Belt (West Greenland)
Frei, Robert & Rosing, Minik Thorleif, 2001, In: Chemical Geology. 181, p. 47-66Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Osmium isotopes in the Wiedemann Fjord mantle xenoliths: A unique record of cratonic mantle formation by melt depletion in the Archaean
Hanghøj, K., Kelemen, P., Bernstein, S., Blusztajn, J. & Frei, Robert, 2001, In: Geochemistry, Geophysics and Geosystem. 2Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Geochronology of the Hout River Shear Zone and the metamorphism in the Southern Marginal Zone of the Limpopo Belt, Southern Africa
Kreissig, K., Holzer, L., Frei, Robert, Villa, I. M., Kramers, J. D., Kröner, A., Smit, C. A. & van Reenen, D. D., 2001, In: Precambrian Research. 109, p. 145-174Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Enriched alkaline lavas within a depleted picrite seccession: melting of old lithosphere induced by passing asthenosphenic melts.
Larsen, L. M., Pedersen, Asger Ken, Sundvoll, B. & Frei, Robert, 2001, In: Eleventh Annual V.M. goldschmidt Conference, Abstracts #3130. LPI Contribution. 1088, p. ?Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Elemental mapping using proton-induced X-rays
Przybylowicz, W. J., Mesjasz-Pryzybylowicz, J., Pineda, C. A., Churms, C. L., Ryan, C. G., Prozesky, V. M., Frei, Robert, Slabbert, J. P., Padayachee, J. & Reimold, W. U., 2001, In: X-Ray Spectrometry. 30, p. 156-163Research output: Contribution to journal › Journal article › Research › peer-review
ID: 11756
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Tracing the dynamic life story of a Bronze Age Female
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