Robert Frei
Professor
Geology
Øster Voldgade 10
1350 København K
- 2001
- Published
Priscoan (4.00-4.03 Ga) orthogneisses from northwestern Canada - by S.A. Bowring and I.S. Williams (2000): discussion
Whitehouse, M., Nägler, T. F., Moorbath, S., Kramers, J. D., Kamber, B. S. & Frei, Robert, 2001, In: Contributions to Mineralogy and Petrology. 141, p. 248-250Research output: Contribution to journal › Journal article › Research › peer-review
- 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
The Palaeoproterozoic Kangerluluk gold-copper mineralization (Southeast Greenland): Pb and Nd isotopic constraints on its timing and genesis
Stendal, H., Frei, Robert, Hamilton, M. A. & Mueller, W. U., 2001, In: Mineralium Deposita. 36, p. 177-188Research 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
- 2000
- Published
Getting out of the extreme: Possible indications of Pre-3700 Ma oxygenic photosynthesis from Isua, West Greenland. J. Conf. Abstr
Rosing, Minik Thorleif & Frei, Robert, 2000.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Gold occurrences and lead isotopes in Ketilidian Mobile Belt, South Greenland
Stendal, H. & Frei, Robert, 2000, In: Transactions Institution of Mining and Metallurgy (Sektion B). 109, p. B6-B13Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Lead isotopic evidence for a mixed provenance for Roman water pipes from Pompeii
Boni, M., Di Maio, G., Frei, Robert & Villa, I. M., 2000, In: Archaeometry. 42, p. 201-208Research output: Contribution to journal › Journal article › Research › peer-review
- 1999
- Published
Geochronology of the late Archaean Razi and Chilimanzi suites of granites in Zimbabwe: Implications for the late Archaean tectonics of the Limpopo Belt and Zimbabwe Craton
Frei, Robert, Blenkinsop, T. G. & Schönberg, R., 1 Mar 1999, In: South African Journal of Geology. 102, 1, p. 55-63 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Continued study of the origin of the cratonic upper mantle
Bernstein, S., Kelemen, P. B., Hanghøj, K., Kelley, R., Blusztajn, J. & Frei, Robert, 1999, Italien. 10 p.Research output: Book/Report › Report › Research
- Published
Controversial Pb-Pb and Sm-Nd isotope results in the early Archean Isua (West Greenland) oxide iron formation: Preservation of primary signatures versus secondary disturbances.
Frei, Robert, Bridgewater, D., Rosing, Minik Thorleif & Stecher, O., 1999, In: Geochimica et Cosmochimica Acta. 63, p. 473-488Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Geochronology of the late Archean Razi and Chilimanzi suites of granites in Zimbabwe: implications for the late Archean tectonics of the Limpopo Belt and Zimbabwe Craton
Frei, Robert, Blenkinsop, T. G. & Schönberg, R., 1999, In: South African Journal of Geology. 102, p. 55-63Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Late Archaean metasomatism and kyanite formation in the >3700 Ma Isua supracrustals, West Greenland
Rosing, Minik Thorleif & Frei, Robert, 1999, In: Journal of Conference Abstracts. 4(1), p. 144Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Osmium and lead isotopes of rare OsIrRu minerals: A core-mantle boundary derivation?
Bird, J. M., Meibom, A., Frei, Robert & Nägler, T. F., 1999, In: Earth and Planetary Science Letters. 170, p. 83-92Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Scrambling of isotopic messages from our earliest ancestors: 13C variations in biogenic reduced carbon from the >3700 Ma Isua supracrustals, West Greenland
Rosing, Minik Thorleif & Frei, Robert, 1999, In: Journal of Conference Abstracts. 4(1), p. 259Research output: Contribution to journal › Conference abstract in journal › Research
- Published
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
Blichert-Toft, J., Albarede, F., Rosing, Minik Thorleif, Frei, Robert & Bridgewater, D., 1999, In: Geochimica et Cosmochimica Acta. 63, p. 3901-3914Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Wiedemann Fjord Mantle Xenoliths, a Unique Record of Cratonic Mantle Formation by Melt Depletion in the Archean
Hanghøj, K., Keleman, P. B., Bernstein, S., Blusztajn, J. & Frei, Robert, 1999, In: EOS Trans. Am. Geophys. Union. Vol. 81, p. 1078Research output: Contribution to journal › Conference abstract in journal › Research
- Published
The timing of high-temperature retrogression in the Reynolds Range, central Australia: Constraints from single mineral Pb-Pb dating
Buick, I. S., Frei, Robert & Cartwright, I., 1999, In: Contributions to Mineralogy and Petrology. 135, p. 244-254Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Unraveling the tectono-metamorphic history in the Isua supracrustals (West Greenland): Mineral stepwise leaching evidence for early Archean metasomatic-metamorphic events.
Frei, Robert, Rosing, Minik Thorleif, Krogstad, E. J., Storey, M. & Albarede, F., 1999, publisher. p. 91Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- 1998
- Published
3.9 Ga pillow basalts from Isua, Greenland: Pb isotopic evidence.
Storey, Michael, Krogstad, E. J., Frei, Robert, Albarede, F. & Rosing, Minik Thorleif, 1998, publisher. American Geophysical Union, 932 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
- Published
A complete history of atmospheric lead deposition from 12,370 14C yr BP to the present recorded in a peat bog profile, Jura Mountains, Switzerland
Shotyk, W., Weiss, D., Appleby, P. G., Cheburkin, A. K., Frei, Robert, Gloor, M., Kramers, J. D., Reese, S. & von der Knaap, W. O., 1998, In: Science. 281/5389, p. 1635-1640Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A pre-3.74 Ga old tectono-metamorphic event in the outer Isua (Western Greenland) supracrustal belt: evidence from Pb stepwise leaching of sulfide-bearing quartz-tourmaline veins.
Frei, Robert, Rosing, Minik Thorleif, Krogstad, E. J., Storey, M., Ulfbeck, D. G. & Albarede, F., 1998, In: EOS : Transactions. 1998 Fall Meeting 79, 45 Suppl., p. 932Research output: Contribution to journal › Journal article › Research
- Published
Behaviour of Re-Os, Sm-Nd, and U-Pb systematics in hydrothermal ores. WRI-9
Frei, Robert, Nägler, T. F., Schönberg, R. & Kramers, J. D., 1998, Water-Rock Interaction, Balkema/Rotterdam/Brookfield. Arehart, G. B. & Hulston, J. R. (eds.). p. 541-544Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Granite-hosted gold mineralization in the Midlands greenstone belt: a new type of low-grade large scale gold deposit in Zimbabwe
Buchholz, P., Herzig, P., Friedrich, G. & Frei, Robert, 1998, In: Mineralium Deposita. 33, p. 437-460Research output: Contribution to journal › Journal article › Research › peer-review
- Published
History of Athmospheric Lead Deposition Since 12'370 14C yr BP from a Peat Bog, Jura Mountains, Switzerland
Shotyk, W., Weiss, D., Appleby, P. G., Cheburkin, A. K., Frei, Robert, Gloor, M., Kramers, J. D., Reese, S. & Van der Kaap, W. O., 1998, In: Kexue (Shanghai). 281, p. 1635-1640Research output: Contribution to journal › Journal article › Research
- Published
Initial Sr and Nd isotope ratios of Early Archean mafic rocks, SW Greenland
Krogstad, E. J., Frei, Robert, Rosing, Minik Thorleif, Storey, M. & Albarede, F., 1998, In: Abstract, EOS, Trans. American Geophysical Union, 1998. Fall Meeting 79, 45 Suppl., p. 932-933Research output: Contribution to journal › Journal article › Research
- Published
Osmium and lead isotopes of rare OsIrRu minerals: A core-mantle boundary derivation?
Bird, J. M., Meibom, A., Frei, Robert & Nägler, T. F., 1998, In: EOS : Transactions. v.79/45, p. F966Research output: Contribution to journal › Journal article › Research
- Published
Pitfalls and new approaches in granulite chronometry: an example from the Limpopo Belt, Zimbabwe
Kamber, B. S., Frei, Robert, Gibb, A. J. & O’Nions, R. K., 1998, In: Precambrian Research. 91, 3/4, p. 269-285Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Re-Os, Sm-Nd, U-Pb and stepwise Pb leaching isotope systematics in shear-zone hosted gold mineralization: genetic tracing and age constraints of crustal hydrothermal activity
Frei, Robert, Nägler, T. F., Schönberg, R. & Kramers, J. D., 1998, In: Geochimica et Cosmochimica Acta. 62, p. 1925-1936Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Step-leach Pb-Pb dating of inclusion-bearing garnet and staurolite: with implications for Early Proterozoic tectonism in the Black Hills collisional orogen, South Dakota, United States
Dahl, P. S. & Frei, Robert, 1998, In: Geology. 26, 2, p. 111-114Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tracing the Indian Ocean Mantle Domain Through Time: Isotopic Results from Old West Indian, East Tethyan, and South Pacific Seafloor
Mahoney, J. J., Frei, Robert, Tejada, M. L. G., Mo, X. X., Leat, P. T. & Nägler, T. F., 1998, In: Journal of Petrology. v.39/7, p. 1285-1306Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Unraveling the record of successive high grade events in the Central Zone of the Limpopo Belt using Pb single phase dating of metamorphic minerals
Holzer, L., Frei, Robert, Barton jr., J. M. & Kramers, J. D., 1998, In: Precambrian Research. 87, p. 87-115Research output: Contribution to journal › Journal article › Research › peer-review
- 1997
- Published
Archean and proterozoic mineralization and tectonics at the renco mine (northern marginal zone, limpopo belt, Zimbabwe)-a reply
Blenkinsop, T. G. & Frei, Robert, 1 Dec 1997, In: Economic Geology . 92, 6, p. 747-748 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- 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 journal › Letter › Research › peer-review
- Published
Growth of subcontinental lithospheric mantle beneath Zimbabwe started at or before 3.8 Ga: Re-Os study on chromites
Nägler, T. F., Kramers, J. D., Kamber, B. S., Frei, Robert & Prendergast, M. D. A., 1 Jan 1997, In: Geology. 25, 11, p. 983-986 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A new illite deposit near Le-Puy-en-Velay (France): Genesis and usage for waste encapsulation
Gilg, H. A., Haus, R. & Frei, Robert, 1997, Mineral Deposits: Research and exploration - where do they meet ? . Papunen, H. (ed.). CRC Press/Balkema, p. 717-720Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
An energy-dispersive Miniprobe Multielement analyzer (EMMA) for direct analysis of trace elements and chemical age dating of single mineral grains
Cheburkin, A. K., Frei, Robert & Shotyk, W., 1997, In: Chemical Geology. 135, p. 75-87Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Apparent controversies of Pb-Pb and Sm-Nd isotope systematics in the Archean Isua (West Greenland) BIF's: preservation of primary signatures vs. secondary disturbances
Frei, Robert, Bridgewater, D. & Rosing, Minik Thorleif, 1997, In: EOS : Transactions. 78, 46, p. F830Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Archean and Proterozoic mineralization and tectonics at Renco Mine (Northern Marginal Zone, Limpopo Belt, Zimbabwe): a reply
Blenkinsop, T. G. & Frei, Robert, 1997, In: Economic Geology. 92, p. 747-748Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Growth of subcontinental lithospheric mantle beneath Zimbabwe started at ~3.8 Ga: A Re-Os study on chromites
Nägler, T. F., Kramers, J. D., Kamber, B. S., Frei, Robert & Prendergast, M. D. A., 1997, In: Geology. 25, 11, p. 983-986Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Isotope dating of residual kaolin deposits in Europe (Tirschenreuth, Germany and St. Yrieix, France)
Gilg, H. A. & Frei, Robert, 1997, Energy and Mineral Resources for the 21st Century, Geology of Mineral Deposits, Mineral Economics: Proceedings of the 30th International Geological Congress. Rongfu, P. (ed.). Vol. 9. p. 123-133Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Isotope systematics in vein gold from Brusson, Val d'Ayas (NW Italy). 2: (U+Th)/He and K/Ar in native Au and its fluid inclusions
Pettke, T., Frei, Robert, Kramers, J. D. & Villa, I. M., 1997, In: Chemical Geology. 135, p. 173-187Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mantle-derived K-feldspar granites in oceanic crust (Masirah ophiolite, Sultanate of Oman)
Nägler, T. F. & Frei, Robert, 1997, In: Chemical Geology. 138, p. 119-126Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mono-sample Pb-Pb dating of pyrrhotite and tourmaline: Archean vs. Proterozoic gold mineralization in Zimbabwe. A Reply
Frei, Robert & Pettke, T., 1997, In: Geology. 27, p. 670-671Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pb stepwise leaching (PbSL) dating of garnet: addressing the inclusion problem
Schaller, M., Steiner, O., Studer, I., Frei, Robert & Kramers, J. D., 1997, In: Schweizerische Mineralogische und Petrographische Mitteilungen. 77, p. 113-121Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Single mineral dating by the Pb-Pb step-leaching method, assessing the mechanism
Frei, Robert, Villa, I. M., Nägler, T. F., Kramers, J. D., Przybylowicz, W. J., Prozesky, V. M., Hofmann, B. A. & Kamber, B. S., 1997, In: Geochimica et Cosmochimica Acta. 61, p. 393-414Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 676-681Research output: Contribution to journal › Journal article › Research › peer-review
- Published
U-Pb and Pb-Pb dating of diagenetic processes in black shales: True and false Pb-Pb isochrons
Liebetrau, V., Frei, Robert, Buchardt, B. & Israelson, C., 1997, In: EOS : Transactions. v.78/46, p. F381Research output: Contribution to journal › Journal article › Research
- Published
‘Plug in plug' Os distillation
Nägler, T. F. & Frei, Robert, 1997, In: Schweizerische Mineralogische und Petrographische Mitteilungen. 77, p. 123-127Research output: Contribution to journal › Journal article › Research › peer-review
- 1996
- Published
Archean and proterozoic mineralization and tectonics at the Renco mine (Northern Marginal Zone, Limpopo Belt, Zimbabwe)
Blenkinsop, T. G. & Frei, Robert, 1 Dec 1996, In: Economic Geology . 91, 7, p. 1225-1238 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Isotope systematics in vein gold from Brusson, Val d'Ayas (NW Italy), 1. Pb/Pb evidence for a Piemonte metaophiolite Au source
Pettke, T. & Frei, Robert, 10 Jan 1996, In: Chemical Geology. 127, 1-3, p. 111-124 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 11756
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Large Igneous Province volcanism, ocean anoxia and marine mass extinction
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Mapping human mobility during the third and second millennia BC in present-day Denmark
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Tracing the dynamic life story of a Bronze Age Female
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