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James Roberts Senior Lecturer Igneous Petrology and Geochemistry Office: 4-41 E-mail: [email protected] Phone: +27 (0)12 420 3765 |
RESEARCH INTERESTS
EDUCATION
2003-2007 PhD Geology, University of Witwatersrand, RSA
2001-2003 MSc Geology, University of the Witwatersrand, RSA
2000-2005 BA, UNISA, RSA
1996-1999 BSc (Honours), Rhodes University, RSA
EMPLOYMENT
2007-present Senior Lecturer in Igneous Petrology
University of Pretoria, South Africa
2006-2007 Researcher, SAPS Forensic Science Laboratory
2001-2006 Research assistant and demonstrator for various courses at University of the Witwatersrand
2000-2001 Employed by Anglogold
TEACHING & PROJECT SUPERVISION
Lecturing:
2009 GLY711 – Igneous Petrology (Hons)
GLY713- Mineralogy (Hons)
GLY251- Mineralogy (2nd yr)
GLY261- Igneous Petrology
CONFERENCES AND PRESENTATIONS
Norwegian Geological Meeting, Oslo, Norway, 2003: “The Carboniferous Magerøy Dykes”
Natural History Museum, Oslo, Norway, 2003: “The Seiland Igneous Province”
Geoforum 2003, Johannesburg, South Africa: “Sulphide Saturation in the Upper Zone of the Bushveld Complex”
Scandinavian Winter Meeting, Uppsala, Sweden, 2004: “New Ages from the Seiland Igneous Province, Northern Norway”
Goldschmidt Conference, Copenhagen, Denmark, 2004: “A Re-evaluation of the Seiland Igneous Province, northern Norway (poster)
IMSG Summer meeting 2009, UP, South Africa: “Liquids and Layers: modelling the Upper Zone of the Bushveld Complex
PUBLICATIONS
Roberts, R.J., Torsvik, T.H., Andersen, T.B., and Rehnstrohm E.F., 2003, The Early Carboniferous Magerøy dykes, northern Norway: paleomagnetism and paleogeography, Geol. Mag., 140, p. 443- 451
Roberts, R.J., Corfu, F., Torsvik, T.H., Ashwal, L.D., & Ramsay, D.M., 2006, Short-lived mafic magmatism at 560- 570 Ma in the northern Norwegian Caledonides: U-Pb zircon ages from the Seiland Igneous Province, Geological Magazine 143, 887- 903
F. Corfu, T.H. Torsvik, T.B. Andersen, L.D. Ashwal, D.M. Ramsay, and R.J. Roberts, Early Silurian mafic–ultramafic and granitic plutonism in contemporaneous flysch, Magerøy, northern Norway: U–Pb ages and regional significance, Journal of the Geological Society, Mar 2006; 163: 291 – 301
Corfu, F., Roberts, R.J., Torsvik, T.H., Ashwal, L.D., & Ramsay, D.M., Peri-Gondwanan elements in the Caledonian nappes of Finnmark, Northern Norway: implications for the paleogeographic framework of the Scandinavian Caledonides, American Journal of Science, Vol. 307, 434-458
Ashwal L.D., Roberts R.J., Schmitz M.D., Hetherington C.J., Corfu F., Burke K., & Gerber M., Geochronology of large zircons from nepheline syenite gneisses as constraints on tectonic setting: an example from Southern Malawi, Contrib. Min. Pet, 153, 389- 403
Papers in preparation
Roberts R.J., Corfu, F., Torsvik, T.H., Hetherington C.J., and Ashwal, L.D., Rifting in the Late Precambrian craton of Baltica: evidence from alkaline intrusions in the Seiland Igneous Province, submitted to Geol.Soc. London
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