Robert Frei

Robert Frei

Professor

ORCID: 0000-0001-7708-9881

Publication year:
All
126 - 150 out of 381Page size: 25
Sort by: Title
  1. 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. 1022-1041

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. 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. A1059

    Research output: Contribution to journal › Conference abstract in journal › Research

  3. 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

  4. Published

    Geochemical signatures in Late Triassic brachiopods from New Caledonia

    Ullmann, C. V., Campbell, H. J., Frei, Robert & Korte, Christoph, Oct 2014, In: New Zealand Journal of Geology and Geophysics. 57, 4, p. 420-431 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Geochemical signatures of soapstones from the Nuuk area, southern West Greenland – their use for fingerprinting of archaeological artefacts

    Keulen, N., Poulsen, M. D. & Frei, Robert, Apr 2022, In: Journal of Archaeological Science. 140, 15 p., 105552.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Geochemistry of Archean anorthosite-bearing layered intrusions

    Sotiriou, P., Polat, A., Kusky, T., Windley, B. F., Frei, Robert & Yang, X., 2024, In: Earth-Science Reviews. 249, 25 p., 104654.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Geochemistry of Precambrian sedimentary rocks used to solve stratigraphical problems: An example from the Neoproterozoic Volta basin, Ghana

    Kalsbeek, F. & Frei, Robert, 2010, In: Precambrian Research. 176, 1-4, p. 65-76 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Geochemistry of the belemnite rostrum: Genesis and diagenesis

    Ullmann, C. V., Frei, Robert, Korte, Christoph & Hesselbo, S. P., 2015, p. 3203.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  9. Published

    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 12,370 14C yr bp

    Shotyk, W., Weiss, D., Kramers, J. D., Frei, Robert, Cheburkin, A. K., Gloor, M. & Reese, S., 14 Aug 2001, In: Geochimica et Cosmochimica Acta. 65, 14, p. 2337-2360 24 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Geochemistry of the peat bog at Étang de la Gruyère, Jura Mountains, Switzerland, and its record of atmospheric Pb and lithogenic trace metals (Sc, Ti, Y, and REE) since 1237014C yr BP

    Shotyk, W., Weiss, D., Kramers, J. D., Frei, Robert, Cheburkin, A. K., Gloor, M. & Reese, S., 2001, In: Geochimica et Cosmochimica Acta. 65, p. 2337-2360

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Geochemistry of ultramafic rocks and hornblendite veins in the Fiskenæsset layered anorthosite complex, SW Greenland: evidence for hydrous upper mantle in the Archean

    Polat, A., Fryer, B. J., Samson, I. M., Weisener, C., Appel, P. W. U., Frei, Robert & Windley, B. F., 2012, In: Precambrian Research. 214-215, p. 124-153 30 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Geochemistry, Nd, Pb and Sr isotope systematics, and U-Pb zircon ages of the Neoarchean Bad Vermilion Lake greenstone belt and spatially associated granitic rocks, western Superior Province, Canada

    Wu, T., Polat, A., Frei, Robert, Fryer, B. J., Yang, K. & Kusky, T., Sep 2016, In: Precambrian Research. 282, p. 21-51

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Geochronology of granitoid and metasedimentary rocks from Togo and Benin, West Africa: comparisons with NE Brazil

    Kalsbeek, F., Affaton, P., Ekwueme, B., Frei, Robert & Thrane, K., 2012, In: Precambrian Research. 196-197, p. 218-233 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. 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. 145-174

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 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

  16. 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. 55-63

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Geological processes defining the formation of plumasite-type corundum in the Paleoproterozoic Isertoq Terrane, South-East Greenland

    Poulsen, Majken Djurhuus, Keulen, N., van Hinsberg, V. J., Kolb, J., Frei, Robert & Thomsen, T. B., 2023, In: Precambrian Research. 385, 23 p., 106940.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. 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

  19. Published

    Global Cr-isotope distributions in surface seawater and incorporation of Cr isotopes into carbonate shells

    Paulukat, C. S., Frei, Robert, Vögelin, A. R. & Samankassou, E., 2015.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  20. 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-B13

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. 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

  22. 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. 437-460

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. 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

  24. 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

  25. 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. 983-986

    Research output: Contribution to journal › Journal article › Research › peer-review

Previous 12 3 4 5 6 7 8 9 ...16 Next

ID: 11756