Dr Dave Holwell

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• Holwell, DA, Selby, D, Boyce, AJ, Gilbertson, JA, Abraham-James T.  2012 AN Re-Os DATE FOR MOLYBDENITE-BEARING QUARTZ VEIN MINERALIZATION WITHIN THE KANGERLUSSUAQ ALKALINE COMPLEX, EAST GREENLAND: IMPLICATIONS FOR THE TIMING OF REGIONAL METALLOGENESIS Economic Geology, 107, 713-722,
• McDonald, I. and Holwell, D.A. 2011. Geology of the Northern Bushveld Complex and the Setting and Genesis of the Platreef Ni-Cu-PGE Deposit. Reviews in Economic Geology, 17, 297–327.
• Holwell, D.A., Abraham-James, T.H., Keays, R.R. and Boyce, A.J. 2011. The nature and genesis of marginal Cu- PGE-Au sulphide mineralisation in Palaeogene Macrodykes of the Kangerlussuaq region, east Greenland. Mineral Dep. DOI 10.1007/s00126-010-0325-4
• Holwell, D.A., Abraham-James, T.H., Keays, R.R. and Boyce, A.J. 2010. Marginal Cu-Au-PGE mineralisation in the newly discovered Togeda Macrodyke, Kangerlussuaq region, east Greenland. In Jugo, P. (ed) 11th International Platinum Symposium, Extended Abstracts, Sudbury, Canada. Ontario Geological, Miscellaneous Release, Data-269. 4pp
• Holwell, DA, McDonald, I and Butler, IB. 2010. Precious metal enrichment in the Platreef, Bushveld Complex, South Africa: evidence from homogenized magmatic sulfide melt inclusions. Contributions to Mineralogy and Petrology.
  DOI 10.1007/s00410-010-0577-0
• Holwell, D.A. and McDonald, I. 2010. A Review of the Behaviour of Platinum Group Elements within Natural Magmatic Sulfide Ore Systems. Platinum Metals Review, 54, 26-36. http://www.platinummetalsreview.com/dynamic/article/view/54-1-26-36
• McDonald, I., Holwell, D.A. and Wesley, B. 2009. Assessing the potential involvement of an early magma staging chamber in the generation of the Platreef Ni-Cu-PGE Deposit in the Northern Limb of the Bushveld Complex: a pilot study of the Lower Zone Complex at Zwartfontein. Applied Earth Science (Trans. IMM. B), 118, B5-20.
• Holwell, D.A. and McDonald, I. 2007. Distribution of platinum-group elements in the Platreef at Overysel, northern Bushveld Complex: a combined PGM and LA-ICP-MS study. Contributions to Mineralogy and Petrology, 154, 171-190.
• Holwell, D.A., Boyce, A.J and McDonald, I. 2007. Sulfur isotope variations within the Platreef: genetic implications for the origin of sulfide mineralization. Economic Geology, 102, 1091-1110.
• McDonald, I. and Holwell, D.A. 2007. Did lower zone magma conduits store PGE-rich sulphides that were later supplied to the Platreef? South African Journal of Geology, 110, 611-616.
• Holwell, D.A. and McDonald, I. 2006. Petrology, geochemistry and the mechanisms determining the distribution of platinum-group element and base metal sulfide mineralisation in the Platreef at Overysel, northern Bushveld Complex, South Africa. Mineralium Deposita, 41, 575-598.
• Holwell, D. A. and Jordaan, A. 2006. Three-dimensional mapping of the Platreef at the Zwartfontein South mine: implications for the timing of magmatic events in the northern limb of the Bushveld Complex, South Africa. Applied Earth Science (Trans. IMM. B), 115, 41-48.
• Holwell, D.A., McDonald, I. and Armitage, P. E. B. 2006. Platinum group mineral assemblages in the Platreef at the Sandsloot Mine, northern Bushveld Complex, South Africa. Mineralogical. Magazine, 70, 83-101.
• Holwell, D.A., Armitage, P. E. B. and McDonald, I. 2005. Observations on the relationship between the Platreef and its hangingwall. Applied Earth Science (Trans. IMM. B), 114, B199-207.
• McDonald, I., Holwell, D.A. and Armitage, P. E. B. 2005. Geochemistry and Mineralogy of the Platreef and “Critical Zone” of the Northern Lobe of the Bushveld Complex, South Africa: Implications for Bushveld Stratigraphy and the Development of PGE Mineralization. Mineralium Deposita, 40, 526-549.
• Holwell, D.A. and McDonald, I. 2005. Variations in platinum group element mineralization within the Platreef, northern Bushveld Complex, South Africa. In: Törmänen T.O. and Alapieti, T.T. (eds.) 10th International Platinum Symposium, Extended Abstracts, 110-113.
• Holwell, D.A. and McDonald, I. 2005. Platinum group mineral assemblages within the Platreef, northern Bushveld Complex, South Africa. In: Törmänen T.O. and Alapieti, T.T. (eds.) 10th International Platinum Symposium, Extended Abstracts, 373-376.
• Holwell, D.A., McDonald, I. and Armitage, P.E.B. 2004. Platinum group mineral assemblages in the Platreef at the Sandsloot Mine, Limpopo Province, South Africa. Geoscience Africa 2004, Abstract Volume, University of the Witwatersrand, Johannesburg, South Africa, 282-283.
• Holwell, D.A., Andersen, J.C.Ø. and Cawthorn, R.G. 2004. Base metal sulphide geochemistry of the Merensky Reef, Bushveld Complex, South Africa. Applied Earth Science (Trans. IMM. B), 113, 145-146.