Robert Frei

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Claudio GaucherInstituto de Ciencias Geológicas-Universidad de la República, UruguayEmail confirmado em fcien.edu.uy
Karin Margarita FreiProfessor at The National Museum of DenmarkEmail confirmado em natmus.dk
Ali PolatProfessor of Earth and Environmental Sciences, University of WindsorEmail confirmado em uwindsor.ca
Jan KramersProfessor of Geology, University of JohannesburgEmail confirmado em uj.ac.za
Alcides SialFederal University of PernambucoEmail confirmado em ufpe.br
Christoph KorteUniversity of CopenhagenEmail confirmado em ign.ku.dk
Donald E. CanfieldUniversity of Southern DenmarkEmail confirmado em biology.sdu.dk
Peter DahlEmeritus Professor of Geology, Kent State UniversityEmail confirmado em kent.edu
Valderez FerreiraProfessora de petrologia ígnea, Universidade Federal de PernambucoEmail confirmado em ufpe.br
Clemens Vinzenz UllmannUniversity of Exeter CSMEmail confirmado em exeter.ac.uk
William ShotykBocock Chair for Agriculture and the Environment, University of AlbertaEmail confirmado em ualberta.ca
Dr Sisir Kanti Mondal, Professor of Ore...Jadavpur University & Research Associate of American Museum of Natural HistoryEmail confirmado em jadavpuruniversity.in
Klaus WemmerHead of Noble Gas Spectrometry - Senior ResearcherEmail confirmado em gwdg.de
Siegfried SiegesmundProfessor for Structural Geology & Geodynamics, University GöttingenEmail confirmado em gwdg.de
Kristian KristiansenProfessor of archaeology, university of gothenborg/göteborg, Sweden/sverigeEmail confirmado em archaeology.gu.se
Geoffrey J. GilleaudeauAssociate Professor, George Mason UniversityEmail confirmado em gmu.edu
Sean CroweProfessor Microbiology & Immunology and EOASEmail confirmado em ubc.ca
Brian FryerUniversity of WindsorEmail confirmado em uwindsor.ca
Bau MichaelProfessor of Geosciences, Constructor University (renamed from Jacobs University Bremen)Email confirmado em constructor.university
Francis AlbaredeEcole Normale Supérieure de Lyon, FranceEmail confirmado em ens-lyon.fr

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Robert Frei

Professor of Geochemistry and Isotope Geology

Email confirmado em ign.ku.dk - Página inicial

geochemistry climate research non traditional stable isotopes


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History of Atmospheric Lead Deposition Since 12,370 ¹⁴C yr BP from a Peat Bog, Jura Mountains, Switzerland W Shotyk, D Weiss, PG Appleby, AK Cheburkin, R Frei, M Gloor, ... Science 281 (5383), 1635-1640, 1998	915	1998
Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes R Frei, C Gaucher, SW Poulton, DE Canfield Nature 461 (7261), 250-253, 2009	676	2009
Atmospheric oxygenation three billion years ago SA Crowe, LN Døssing, NJ Beukes, M Bau, SJ Kruger, R Frei, ... Nature 501 (7468), 535-538, 2013	671	2013
Tracing the Indian Ocean mantle domain through time: isotopic results from old West Indian, East Tethyan, and South Pacific seafloor JJ Mahoney, R Frei, MLG Tejada, XX Mo, PT Leat, TF Nägler Journal of Petrology 39 (7), 1285-1306, 1998	385	1998
Geochemistry of the peat bog at Etang de la Gruère, Jura Mountains, Switzerland, and its record of atmospheric Pb and lithogenic trace metals (Sc, Ti, Y, Zr, and REE) since 12 … W Shotyk, D Weiss, JD Kramers, R Frei, AK Cheburkin, M Gloor, S Reese Geochimica et Cosmochimica Acta 65 (14), 2337-2360, 2001	356	2001
U-rich Archaean sea-floor sediments from Greenland–indications of> 3700 Ma oxygenic photosynthesis MT Rosing, R Frei Earth and Planetary Science Letters 217 (3-4), 237-244, 2004	318	2004
New Lu–Hf and Pb–Pb age constraints on the earliest animal fossils GH Barfod, F Albarède, AH Knoll, S Xiao, P Télouk, R Frei, J Baker Earth and Planetary Science Letters 201 (1), 203-212, 2002	291	2002
Anthropogenic contributions to atmospheric Hg, Pb and As accumulation recorded by peat cores from southern Greenland and Denmark dated using the 14C “bomb pulse curve” W Shotyk, ME Goodsite, F Roos-Barraclough, R Frei, J Heinemeier, ... Geochimica et Cosmochimica Acta 67 (21), 3991-4011, 2003	247	2003
The geographic distribution of strontium isotopes in Danish surface waters–A base for provenance studies in archaeology, hydrology and agriculture KM Frei, R Frei Applied geochemistry 26 (3), 326-340, 2011	245	2011
Tracing the dynamic life story of a Bronze Age Female KM Frei, U Mannering, K Kristiansen, ME Allentoft, AS Wilson, I Skals, ... Scientific reports 5 (1), 10431, 2015	229	2015
Unraveling the record of successive high grade events in the Central Zone of the Limpopo Belt using Pb single phase dating of metamorphic minerals L Holzer, R Frei, JM Barton Jr, JD Kramers Precambrian Research 87 (1-2), 87-115, 1998	224	1998
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 … R Frei, A Polat Earth and Planetary Science Letters 253 (1-2), 266-281, 2007	218	2007
Oxygenation of the mid-Proterozoic atmosphere: clues from chromium isotopes in carbonates GJ Gilleaudeau, R Frei, AJ Kaufman, LC Kah, K Azmy, JK Bartley, ... Geochemical Perspectives Letters 2 (2), 178-187, 2016	207	2016
The genesis of Archaean chromitites from the Nuasahi and Sukinda massifs in the Singhbhum Craton, India SK Mondal, EM Ripley, C Li, R Frei Precambrian Research 148 (1-2), 45-66, 2006	198	2006
Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse CMØ Rasmussen, CV Ullmann, KG Jakobsen, A Lindskog, J Hansen, ... Scientific Reports 6 (1), 18884, 2016	188	2016
Rare earth element mineralogy and geochemistry in a laterite profile from Madagascar A Berger, E Janots, E Gnos, R Frei, F Bernier Applied geochemistry 41, 218-228, 2014	182	2014
Distribution of platinum-group elements and Os isotopes in chromite ores from Mayarí-Baracoa Ophiolitic Belt (eastern Cuba) F Gervilla, JA Proenza, R Frei, JM González-Jiménez, CJ Garrido, ... Contributions to Mineralogy and Petrology 150, 589-607, 2005	181	2005
Single mineral PbPb dating R Frei, BS Kamber Earth and Planetary Science Letters 129 (1-4), 261-268, 1995	176	1995
Reduction of hexavalent chromium by ferrous iron: A process of chromium isotope fractionation and its relevance to natural environments LN Døssing, K Dideriksen, SLS Stipp, R Frei Chemical geology 285 (1-4), 157-166, 2011	174	2011
The behavior of molybdenum and its isotopes across the chemocline and in the sediments of sulfidic Lake Cadagno, Switzerland TW Dahl, AD Anbar, GW Gordon, MT Rosing, R Frei, DE Canfield Geochimica et Cosmochimica Acta 74 (1), 144-163, 2010	173	2010

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