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Bateman, A. M. (1951): The formation of late magmatic oxide ores. Economic Geology 46: 404-426.

Cameron, E.N., Desborough, G.A. (1969): Occurrence and characteristics of chromitite deposits- eastern Bushveld Complex. Economic Geology 4: 23–40.

Cameron E.N., Emerson M.E. (1959): The origin of certain chromite deposits of the eastern part of the Bushveld Complex. Economic Geology 54: 1151–1213.

Cawthorn, R.G., Ashwal, L.D. (2009): Origin of Anorthosite and Magnetitite Layers in the Bushveld Complex, Constrained by Major Element Compositions of Plagioclase. Journal of Petrology 50(9): 1607-1637.

Cawthorn, R. G., McCarthy, T. S. (1980): Variations in Cr content of magnetite from the Upper Zone of the Bushveld Complex – evidence for heterogeneity and convection currents in magma chambers. Earth and Planetary Science Letters 46: 335-343.

Clarke, B., Uken, R., Reinhardt, J. (2008): Structural and compositional constraints on the emplacement of the Bushveld Complex, South Africa. Lithos 111: 21-36.

Harney, D. M.W., Merkle, R.K.W., von Gruenewaldt, G. (1990): Platinum-group element behaviour in the lower part of the Upper Zone, Eastern Bushveld Complex: implications for the formation of the main magnetite layer. Economic Geology 85: 1777-1789.

Irvine, T.N. (1977): Origin of chromitite layers in the Muskox Intrusion and other stratiform intrusions: a new interpretation. Geology 5: 273-277.

Klemm, D. D., Henckel, J., Dehm, R., von Gruenewaldt, G. (1985): The geochemistry of titanomagnetite in magnetite layers and their host rocks of the Eastern Bushveld Complex. Economic Geology 80: 1075-1088.

Reynolds, I. M. (1985a): The nature and origin of titaniferous magnetite-rich layers in the Upper Zone of the Bushveld Complex: a review and synthesis. Economic Geology 80: 1089-1108.

Reynolds, I. M. (1985b): Contrasted mineralogy and textural relationships in the uppermost titaniferous magnetite layers of the Bushveld Complex in the Bierkraal area north of Rustenburg. Economic Geology 80: 1027-1048.

Sampson, E. (1929): May chromite crystallize late? Economic Geology 24: 632–641.

Schiffries, C.M. (1982): The petrogenesis of a platineferous dunite pipe in the Bushveld Complex: infiltration metasomatism by a chloride solution. Economic Geology 77: 1439-1453.

Tegner, C., Wilson, J.R., Cawthorn, R.G. (1994): The dunite-clinopyroxenite pegmatoidal pipe, Tweefontein, eastern Bushveld Complex, South Africa. South African Journal of Geology 97 (4): 415-430.

Viljoen, M.J., Scoon, R.N. (1985): The distribution and main geological features of discordant pegmatoid in the Bushveld Complex. Economic Geology 80: 1109-1128.

von Gruenewaldt (1979): A review of some recent concepts of the Bushveld Complex with particular reference to the sulfide mineralization. Canadian Mineralogist 17, 233-256.

Voordouw, R., Gutzmer, J., Beukes, N.J. (2009): Intrusive origin for Upper Group (UG1, UG2) stratiform chromitite seams in the Dwars River area, Bushveld Complex, South Africa. Mineralogy and Petrology 97: 75-94.

Wager, L. R., Brown, G. M. (1968):  Layered Igneous Rocks. Oliver & Boyd London, 572 pp.