Detrital chrome-spinel grains in heavy-mineral sand deposits from southeast Africa

Mineralogical Magazine

Volumn 70, Issue 1, 2006, Pages 51-64

  Pownceby, Mark ^a   Bourne, P ^a  

^a CSIRO   (Australia)

Author keywords

Chrome spinel; Ilmenite concentrates; Southeast Africa

Indexed keywords

ALUMINUM; CHROMIUM; ILMENITE; IRON; MAGNESIUM PRINTING PLATES; MAGNETIC SEPARATION; MAGNETITE;

CHROME-SPINEL; ILMENITE CONCENTRATES; MAGNETITE COMPONENT;

MINERALOGY;

ILMENITE; MINERAL DEPOSIT; PROVENANCE; SPINEL;

AFRICA;

EID: 33645518038     PISSN: 0026461X     EISSN: None     Source Type: Journal    
DOI: 10.1180/0026461067010312     Document Type: Article

References (20)

1. Bergeron, M. and Prest, S.F. (1976) Magnetic separation of ilmenite. US Patent 3,935,094.
2. Beukes, J.A. and Van Niekerk, C. (1999) Chromite removal from crude ilmenite. Proceedings of Heavy Minerals 1999 (R.G. Stimson, editor). Symposium series S23, South African Institute of Mining and Metallurgy, Johannesburg, pp. 97-100.
3. Dyar, M.D., McGuire, A.V. and Ziegler, R.D. (1989) Redox equilibria and crystal chemistry of coexisting minerals from spinel lherzolite mantle xenoliths. American Mineralogist, 74, 969-980.
4. Fockema, P.D. (1986) The heavy mineral deposits north of Richards Bay. Mineral Deposits of South Africa, 2301-2307.
5. Force, E.R. (1991) Geology of Titanium-Mineral Deposits. Geological Society of America Special Paper 259, 112 pp.
6. Grey, I., Pownceby, M. and Sparrow, G. (2003) Research on processing Murray Basin ilmenites. The AUSIMM Bulletin, 2 March/April, pp. 12-18.
7. Gouws, J.D. and Van Dyk, J.P. (2001) Ilmenite beneficiation by roasting and magnetic separation. Proceedings of Heavy Minerals 2001, Fremantle, June 2001, Australian Institute of Mining and Metallurgy, Victoria, pp. 209-214.
8. Hammerbeck, E.C.I. (1992) Titanium. Pp. 221-226 in: Mineral Resources of the Republic of South Africa, 5th edition (C.B. Coetzee, editor).
9. Hugo, V.E. and Cornell, D.H. (1991) Altered ilmenites in Holocene dunes from Zululand, South Africa: petrographic evidence for multistage alteration. South African Journal of Geology, 94, 365-378.
10. Hugo, V.E. (1993) A study of titanium-bearing oxides in heavy mineral deposits along the east coast of South Africa. PhD thesis University of Natal, Durban, South Africa, 357 pp.
11. Irvine, T.N. (1965) Chrome spinel as a petrogenetic indicator. Part I - Theory. Canadian Journal of Earth Sciences, 2, 648-674.
12. Lee, H.Y. and Poggi D. (1978) Mine, Mill and Smelting Complex at Richards Bay, South Africa. The Metallurgical Society of CIM, pp. 93-96.
13. Lumpkin, G.R. (2001) Crystal chemistry and durability of the spinel structure type in natural systems. Progress in Nuclear Energy, 38, 447-454.
14. 3 (ilmenite) solid solutions. Proceedings of Heavy Minerals 1997 (R.E. Robinson, editor). Symposium series S17, South African Institute of Mining and Metallurgy, Johannesburg, pp. 75-78.
15. Pownceby, M.I. (2005) Compositional and textural variation in detrital chrome spinels from the Murray Basin, southeastern Australia. Mineralogical Magazine, 69, 191-204.
16. Steenkamp, J.D. and Pistorius, P.C. (2003) Kinetics of chromite vs. ilmenite magnetization during oxidative roasting of ilmenite concentrates. Heavy Minerals Conference 2003, Symposium series S34, South African Institute of Mining and Metallurgy, Johannesburg, pp. 199-206.
17. Stevens, R.E. (1944) Compositions of some chromites of the western hemisphere. American Mineralogist, 29, 1-34.
18. Thayer, T.P. (1946) Preliminary chemical correlation of chromite with the containing rocks. Economic Geology, 41, 202-217.
19. Wipplinger, P.E., Branco, M.F., Margues, J.M., Lächelt, S., Sousa, E.D.B., Kaphwoyo, C.E., Schneider, G.I.C. and Mbawala, F.L.K. (1999) Heavy-mineral sand deposits in the Southern African Development Community - a review. African Geoscience Review, 6(3), 247-269.
20. 57Fe Mössbauer spectroscopy and resultant oxygen fugacities. Geochimica et Cosmochimica Acta, 53, 1277-1291.