Robert Frei
Professor
Geology
Øster Voldgade 10
1350 København K
- 2020
- Published
Enigmatic 1146 +/- 4 Ma old granite in the southeastern rim of the West African craton, now part of the Dahomeyan orogenic belt in Ghana
Kalsbeek, F., Frei, D., Schersten, A., Frei, Robert, Gerdes, A. & Kalvig, P., 2020, In: Journal of African Earth Sciences. 167, 14 p., 103814.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Evidence for Neoarchean hydrous arc magmatism, the anorthosite-bearing Mayville Intrusion, western Superior Province, Canada
Sotiriou, P., Polat, A., Frei, Robert, Yang, X. & van Vessem, J., 2020, In: Lithos. 362-363, 105482.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Factors Controlling the Chromium Isotope Compositions in Podiform Chromitites
Economou-Eliopoulos, M., Frei, Robert & Mitsis, I., 2020, In: Minerals. 10, 1, 10.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Provenance of the Late Ediacaran Rocha Formation, Cuchilla Dionisio Terrane, Uruguay: Tectonic implications on the assembly of Gondwana
Abre, P., Blanco, G., Gaucher, C., Frei, D. & Frei, Robert, 2020, In: Precambrian Research. 342, 105704.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Shallow retardation of the strontium isotope signal of agricultural liming - implications for isoscapes used in provenance studies
Frei, Robert, Frei, K. M. & Jessen, Søren, 2020, In: Science of the Total Environment. 706, 12 p., 135710.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Variations of redox conditions in the atmosphere and Yangtze Platform during the Ediacaran-Cambrian transition: Constraints from Cr isotopes and Ce anomalies
Wei, W., Frei, Robert, Gilleaudeau, G. J., Li, D., Wei, G., Huang, F. & Ling, H., 2020, In: Palaeogeography, Palaeoclimatology, Palaeocology. 543, 11 p., 109598.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat.
Simonsen, M. F., Baccolo, G., Blunier, Thomas, Borunda, A., Delmonte, B., Frei, Robert, Goldstein, S., Grinsted, Aslak, Kjær, Helle Astrid, Sowers, T., Svensson, Anders, Vinther, Bo Møllesøe, Vladimirova, D., Winckler, G., Winstrup, M. & Vallelonga, P., 3 Oct 2019, In: Nature Communications. 10, 8 p., 4494.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A back-arc origin for the Neoarchean megacrystic anorthosite-bearing Bird River Sill and the associated greenstone belt, Bird River subprovince, Western Superior Province, Manitoba, Canada
Sotiriou, P., Polat, A., Frei, Robert, Yang, X. M. & van Vessem, J., 2019, In: International Journal of Earth Sciences. 108, 7, p. 2177-2207 31 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bioavailable 87Sr/86Sr in European soils: A baseline for provenancing studies
Hoogewerff, J. A., Reimann, C., Ueckermann, E., Frei, R., Frei, K. M., van Aswegen, T., Stirling, C., Reid, M., Clayton, A., Ladenberger, A., Albanese, S., Andersson, M., Baritz, R., Batista, M. J., Bel-Ian, A., Birke, M., Cicchella, D., Demetriades, A., De Vivo, B., De Vos, W. & 74 others, , 2019, In: Science of the Total Environment. 672, p. 1033-1044 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chemostratigraphy Across the Cretaceous-Paleogene (K-Pg) Boundary: Testing the Impact and Volcanism Hypotheses
Sial, A. N., Chen, J., Lacerda, L. D., Frei, Robert, Higgins, J. A., Tewari, V. C., Gaucher, C., Ferreira, V. P., Cirilli, S., Korte, Christoph, Barbosa, J. A., Pereira, N. S. & Ramos, D. S., 2019, Chemostratigraphy Across Major Chronological Boundaries. Wiley, Vol. 240. p. 223-257 35 p. (Geophysical Monograph Series, Vol. 240).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Chromium isotope cycling in the water column and sediments of the Peruvian continental margin
Bruggmann, S., Scholz, F., Klaebe, R. M., Canfield, D. E. & Frei, Robert, 2019, In: Geochimica et Cosmochimica Acta. 257, p. 224-242 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fractionation Behavior of Chromium Isotopes during the Sorption of Cr (VI) on Kaolin and its Implications for Using Black Shales as a Paleoredox Archive
Frank, A. B., Klaebe, R. M. & Frei, Robert, 2019, In: Geochemistry Geophysics Geosystems. 20, 5, p. 2290-2302 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Heterogeneity and incorporation of chromium isotopes in recent marine molluscs (Mytilus)
Bruggmann, S., Klaebe, R. M., Paulukat, C. & Frei, Robert, 2019, In: Geobiology. 17, 4, p. 417-435 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Late Paleoproterozoic and Mesoproterozoic magmatism of the Nico Perez Terrane (Uruguay): Tightening up correlations in southwestern Gondwana
Oriolo, S., Oyhantçabal, P., Konopásek, J., Basei, M. A. S., Frei, Robert, Sláma, J., Wemmer, K. & Siegesmund, S., 2019, In: Precambrian Research. 327, p. 296-313 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mapping human mobility during the third and second millennia BC in present-day Denmark
Frei, K. M., Bergerbrant, S., Sjögren, K., Jørkov, M L S, Lynnerup, Niels, Harvig, L., Allentoft, Morten Erik, Sikora, Martin, Price, T. D., Frei, Robert & Kristiansen, K., 2019, In: PLoS ONE. 14, 8, e0219850.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mobilization and isotope fractionation of chromium during water-rock interaction in presence of siderophores
Kraemer, D., Frei, Robert, Viehmann, S. & Bau, M., 2019, In: Applied Geochemistry. 102, p. 44-54 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Multi-isotope proveniencing of human remains from a Bronze Age battlefield in the Tollense Valley in northeast Germany
Price, T. D., Frei, Robert, Brinker, U., Lidke, G., Terberger, T., Frei, K. M. & Jantzen, D., 2019, In: Archaeological and Anthropological Sciences. 11, 1, p. 33-49 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Petrogenesis and geodynamic setting of the Neoarchaean Haines Gabbroic Complex and Shebandowan greenstone belt, southwestern Superior Province, Ontario, Canada
Sotiriou, P., Polat, A. & Frei, Robert, 2019, In: Lithos. 324-325, p. 1-19 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Redox fluctuations during the Ediacaran-Cambrian transition, Nanhua Basin, South China: Insights from Cr isotope and REE+Y data
Frank, A. B., Klaebe, R. M., Xu, L. & Frei, Robert, 2019, In: Chemical Geology. 525, p. 321-333 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Subtle Cr isotope signals track the variably anoxic Cryogenian interglacial period with voluminous manganese accumulation and decrease in biodiversity
Xu, L., Frank, A. B., Lehmann, B., Zhu, J., Mao, J., Ju, Y. & Frei, Robert, 2019, In: Scientific Reports. 9Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Archean-Proterozoic Boundary and the Great Oxidation Event
Gaucher, C. & Frei, Robert, 2019, Chemostratigraphy Across Major Chronological Boundaries. Sial, A. N., Gaucher, C., Ramkumar, M. & Ferreira, V. P. (eds.). Wiley, p. 35-45 11 p. (Geophysical Monograph Series, Vol. 240).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
The role of pH on Cr(VI) partitioning and isotopic fractionation during its incorporation in calcite
Füger, A., Bruggmann, S., Frei, Robert, Leis, A., Dietzel, M. & Mavromatis, V., 2019, In: Geochimica et Cosmochimica Acta. 265, p. 520-532 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
An overview of anorthosite-bearing layered intrusions in the Archaean craton of southern West Greenland and the Superior Province of Canada: implications for Archaean tectonics and the origin of megacrystic plagioclase
Polat, A., Longstaffe, F. J. & Frei, Robert, 1 Jan 2018, In: Geodinamica Acta. 30, 1, p. 84-99 16 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
A systematic look at chromium isotopes in modern shells - implications for paleo-environmental reconstructions
Frei, Robert, Paulukat, C., Bruggmann, S. & Klaebe, R. M., 2018, In: Biogeosciences. 15, 16, p. 4905-4922 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Carbon stable isotope record in the coral species Siderastrea stellata: A link to the Suess Effect in the tropical South Atlantic Ocean
Pereira, N. S., Sial, A. N., Kilbourne, K. H., Liu, S., Shen, C. -., Ullmann, C. V., Frei, Robert, Korte, Christoph, Kikuchi, R. K. P., Ferreira, V. P. & Braga, B. L. S. S., 2018, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 497, p. 82-90 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chromium isotope fractionation between modern seawater and biogenic carbonates from the Great Barrier Reef, Australia: Implications for the paleo-seawater delta δ53 reconstruction
Farkas, J., Fryda, J., Paulukat, C., Hathorne, E. C., Matouskova, S., Rohovec, J., Frydova, B., Francova, M. & Frei, Robert, 2018, In: Earth and Planetary Science Letters. 498, p. 140-151 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diet and mobility among Mesolithic hunter-gatherers in Motala (Sweden) - The isotope perspective
Eriksson, G., Frei, K. M., Howcroft, R., Gummesson, S., Molin, F., Liden, K., Frei, Robert & Hallgren, F., 2018, In: Journal of Archaeological Science: Reports. 17, p. 904-918 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Environmentally available hexavalent chromium in soils and sediments impacted by dispersed fly ash in Sarigkiol basin (Northern Greece)
Kazakis, N., Kantiranis, N., Kalaitzidou, K., Kaprara, E., Mitrakas, M., Frei, Robert, Vargemezis, G., Vogiatzis, D., Zouboulis, A. & Filippidis, A., 2018, In: Environmental Pollution. 235, p. 632-641 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fedtsten - Godthåbsfjordens skjulte ressource
Poulsen, Majken Djurhuus, Knudsen, R. J., Keulen, N., Thorsøe, K. & Frei, Robert, 2018, In: Tidsskriftet Grønland. 4, 16 p.Research output: Contribution to journal › Journal article › Communication
- Published
Highly fractionated chromium isotopes in Mesoproterozoic-aged shales and atmospheric oxygen
Canfield, D. E., Zhang, S., Frank, A. B., Wang, X., Wang, H., Su, J., Ye, Y. & Frei, Robert, 2018, In: Nature Communications. 9, 11 p., 2871.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Marine ferromanganese oxide: A potentially important sink of light chromium isotopes?
Wei, W., Frei, Robert, Chen, T., Klaebe, R., Liu, H., Li, D., Wei, G. & Ling, H., 2018, In: Chemical Geology. 495, p. 90-103 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Multiproxy geochemical and isotope stratigraphy records of a Neoproterozoic Oxygenation Event in the Ediacaran Sete Lagoas cap carbonate, Bambui Group, Brazil
Caxito, F. A., Frei, Robert, Uhlein, G. J., Dias, T. G., Árting, T. B. & Uhlein, A., 2018, In: Chemical Geology. 481, p. 119-132 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Oxygenation variations in the atmosphere and shallow seawaters of the Yangtze Platform during the Ediacaran Period: Clues from Cr-isotope and Ce-anomaly in carbonates
Wei, W., Frei, Robert, Gilleaudeau, G. J., Li, D., Wei, G., Chen, X. & Ling, H., 2018, In: Precambrian Research. 313, p. 78-90 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pervasive early diagenetic dolomitization, subsequent hydrothermal alteration, and late stage hydrocarbon accumulation in a Middle Triassic carbonate sequence (Szeged Basin, SE Hungary)
Garaguly, I., Varga, A., Raucsik, B., Schubert, F., Czuppon, G. & Frei, Robert, 2018, In: Marine and Petroleum Geology. 98, p. 270-290 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Petrogenetic and geodynamic origin of the Neoarchean Doré Lake Complex, Abitibi subprovince, Superior Province, Canada
Polat, A., Frei, Robert, Longstaffe, F. J. & Woods, R., 2018, In: International Journal of Earth Sciences. 107, 3, p. 811-843 33 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Petrology and geochemistry of the Tasse mantle xenoliths of the Canadian Cordillera: A record of Archean to Quaternary mantle growth, metasomatism, removal, and melting
Polat, A., Frei, Robert, Longstaffe, F. J., Thorkelson, D. J. & Friedman, E., 2018, In: Tectonophysics. 737, p. 1-26 26 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Redox condition in the Nanhua Basin during the waning of the Sturtian glaciation: A chromium-isotope perspective
Wei, W., Frei, Robert, Klaebe, R., Li, D., Wei, G. & Ling, H., 2018, In: Precambrian Research. 319, p. 198-210 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Seawater temperature change across the Pliensbachian–Toarcian transition – new isotope data from the Aubach section in SW Germany
Korte, Christoph, Ullmann, C. V., Frederiksen, J. A., Frei, Robert, Hougård, Iben Winther & Rizzi, Malgorzata, 2018.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Stable isotope records across the Cretaceous-Paleogene transition, Stevns Klint, Denmark: New insights from the chromium isotope system
Gilleaudeau, G. J., Vögelin, A. R., Thibault, Nicolas Rudolph, Moreau, J., Ullmann, C. V., Klaebe, R. M., Korte, Christoph & Frei, Robert, 2018, In: Geochimica et Cosmochimica Acta. 235, p. 305-332 28 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The geochemistry of modern calcareous barnacle shells and applications for palaeoenvironmental studies
Ullmann, C. V., Gale, A. S., Haggett, J., Wray, D., Frei, Robert, Korte, Christoph, Broom-Fendley, S., Littler, K. & Hesselbo, S. P., 2018, In: Geochimica et Cosmochimica Acta. 243, p. 149-168 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2017
- Published
A matter of months: high precision migration chronology of a Bronze Age female
Frei, K. M., Villa, Chiara, Jørkov, M L S, Allentoft, Morten Erik, Kaul, F., Ethelberg, P., Reiter, S. S., Wilson, A. S., Taube, M., Olsen, J., Lynnerup, Niels, Willerslev, Eske, Kristiansen, K. & Frei, Robert, 5 Jun 2017, In: PLoS ONE. 12, 6, 20 p., e0178834.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Barnacles – recorders of environmental conditions with unique geochemical signatures
Ullmann, C. V., Gale, A., Korte, Christoph, Frei, Robert, Huggett, J. & Wray, D., 2017, In: Geophysical Research Abstracts. 19, 6134.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Element/Ca, C and O isotope ratios in modern brachiopods: Species-specific signals of biomineralization
Ullmann, C. V., Frei, Robert, Korte, Christoph & Lüter, C., 2017, In: Chemical Geology. 460, p. 15-24 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Extensive oxidative weathering in the aftermath of a late Neoproterozoic glaciation - Evidence from trace element and chromium isotope records in the Urucum district (Jacadigo Group) and Puga iron formations (Mato Grosso do Sul, Brazil)
Frei, Robert, Døssing, L. N., Gaucher, C., Boggiani, P. C., Frei, K. M., Árting, T. B., Crowe, S. A. & Freitas, B. T., 2017, In: Gondwana Research. 49, p. 1-20 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Geochemical constraints on the sources of Cr(VI) contamination in waters of Messapia (Central Evia) Basin
Economou-Eliopoulos, M., Megremi, I., Vasilatos, C., Frei, Robert & Mpourodimos, I., 2017, In: Applied Geochemistry. 84, p. 13-25 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long- and short-term seawater temperature evolution of across the Toarcian Oceanic Anoxic Event in the Aubach section, Wutach area, SW Germany
Korte, Christoph, Ullmann, C. V., Frederiksen, J. A., Frei, Robert, Hougård, Iben Winther & Rizzi, Malgorzata, 2017, p. 77–78 .Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Multiproxy isotope constraints on ocean compositional changes across the late Neoproterozoic Ghaub glaciation, Otavi Group, Namibia
Rodler, A., Frei, Robert, Gaucher, C., Korte, Christoph, Rosing, Salik Anders & Germs, G. J. B., 2017, In: Precambrian Research. 298, p. 306-324 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Origin of hexavalent chromium in groundwater: the example of Sarigkiol Basin, Northern Greece
Kazakis, N., Kantiranis, N., Kalaitzidou, K., Kaprara, M., Mitrakas, M., Frei, Robert, Vargemezis, G., Tsourlos, P., Zouboulis, A. & Filippidis, A., 2017, In: Science of the Total Environment. 593-594, p. 552-566 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Origins of inhabitants from the 16th century Sala (Sweden) silver mine cemetery – a lead isotope perspective
Price, T. D., Frei, Robert, Bäckström, Y., Frei, K. M. & Ingvarsson-Sundstrom, A., 2017, In: Journal of Archaeological Science. 80, p. 1-13 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Redox fluctuations in the Early Ordovician oceans: an insight from chromium stable isotopes
D'Arcy, J. M., Gilleaudeau, G. J., Peralta, S., Gaucher, C. & Frei, Robert, 2017, In: Chemical Geology. 448, p. 1-12 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 11756
Most downloads
-
2724
downloads
Large Igneous Province volcanism, ocean anoxia and marine mass extinction
Research output: Contribution to journal › Conference abstract in journal › Research
Published -
400
downloads
Mapping human mobility during the third and second millennia BC in present-day Denmark
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
312
downloads
Tracing the dynamic life story of a Bronze Age Female
Research output: Contribution to journal › Journal article › Research › peer-review
Published