Robert Frei
Professor
Geology
Øster Voldgade 10
1350 København K
- 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
Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran–Cambrian ecosystems and prompted an early Cambrian greenhouse world
Caxito, F., Lana, C., Frei, Robert, Uhlein, G. J., Sial, A. N., Dantas, E. L., Pinto, A. G., Campos, F. C., Galvão, P., Warren, L. V., Okubo, J. & Ganade, C. E., Dec 2021, In: Scientific Reports. 11, 1, 15 p., 20010.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
Chromium isotopes track redox fluctuations in Proterozoic successions of the Chapada Diamantina, São Francisco craton, Brazil
Caxito, F. A., Frei, Robert, Sial, A. N., Uhlein, G. J., de Moura, W. A. L., Pereira, E. & Rodrigues, R., 2023, In: Geology. 51, 1, p. 69-74Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Characterisation of the natural attenuation of chromium contamination in the presence of nitrate using isotopic methods: A case study from the Matanza-Riachuelo River basin, Argentina
Ceballos, E., Margalef-Marti, R., Carrey, R., Frei, Robert, Otero, N., Soler, A. & Ayora, C., 2020, In: Science of the Total Environment. 699, 11 p., 134331.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Release and mobility of hexavalent chromium in contaminated soil with chemical factory waste: Experiments, Cr isotope analysis and reactive transport modeling
Ceballos, E., Cama, J., Soler, J. M. & Frei, Robert, 2023, In: Journal of Hazardous Materials. 451, 15 p., 131193.Research output: Contribution to journal › Journal article › 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
Atmospheric oxygenation three billion years ago
Crowe, S., Døssing, L. N., Beukes, N. J., Bau, M., Kruger, S. J., Frei, Robert & Canfield, D. E., 2013, In: Nature. 501, 7468, p. 535-538 4 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Chromium isotope fractionation during oxidative weathering of a modern basaltic weathering profile.
D'Arcy, J. M., Døssing, L. N. & Frei, Robert, 8 Jun 2014. 1 p.Research output: Contribution to conference › Poster › Research
- 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
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Large Igneous Province volcanism, ocean anoxia and marine mass extinction
Research output: Contribution to journal › Conference abstract in journal › Research
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Mapping human mobility during the third and second millennia BC in present-day Denmark
Research output: Contribution to journal › Journal article › Research › peer-review
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312
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Tracing the dynamic life story of a Bronze Age Female
Research output: Contribution to journal › Journal article › Research › peer-review
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