Böhme reef: Platinum-group element mineralization associated with C1d chromitite of the Great Dyke, Zimbabwe

Transactions of the Institutions of Mining and Metallurgy, Section B: Applied Earth Science

Volumn 105, Issue JAN-APR, 1996, Pages

  Evans, D M ^a   Buchanan, D L ^b   Parry, S J ^b  

^a Brook House   (United Kingdom)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

CHROMITITE; MINERALIZAITON; PGE; SULPHIDE LIQUATION;

ZIMBABWE, GREAT DYKE;

EID: 0029750428     PISSN: 03717453     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

1. Asif M. A. and Parry S. J. Elimination of reagent blank problems in the fire-assay pre-concentration of the platinum group elements and gold with a nickel sulphide bead of less than one gram mass. The Analyst, 114, 1989, 1057-9.
2. Asif M. A. and Parry S. J. Study of the digestion of chromite during nickel sulphide fire assay for the platinum group elements and gold. The Analyst, 116, 1991, 1071-3.
3. Bichan H. R. The evolution of the igneous rocks, chromite and platinum deposits in part of the Hartley Complex of the Great Dyke. Ph.D. thesis, Leeds University, 1969.
4. Bichan H. R. Chromite seams in the Hartley Complex of the Great Dyke of Rhodesia. In Magmatic ore deposits Wilson H. D. B. ed. Econ. Geol. Monograph 4, 1969, 95-113.
5. Böhmke F. C. Personal communication, 1991.
6. Evans D. M. and Buchanan D. L. Application of petrographic studies to MSZ platinum-group element and base-metal mineralization at Zinca prospect, Great Dyke, Zimbabwe. Trans. Instn Min. Metall. (Sect. B: Appl. earth sci.), 100, 1991, B216-26.
7. Evans D. M. Buchanan D. L. and Hall G. E. M. Dispersion of platinum, palladium and gold from the Main Sulphide Zone, Great Dyke, Zimbabwe. Trans. Instn Min. Metall. (Sect. B: Appl. earth sci.), 103, 1994, B57-67.
8. Hiemstra S. A. The distribution of chalcophile and platinum-group elements in the UG-2 chromitite layer of the Bushveld Complex. Econ. Geol., 81, 1986, 1080-6.
9. Hoffman E. L. et al. The determination of all the platinum-group elements and gold in rocks and ores by neutron activation analysis after preconcentration by a nickel sulphide fire-assay technique on large sample sizes. Analyt. Chim. Acta, 102, 1978, 157-66.
10. Lee C. A. and Fesq H. W. Au, Ir, Ni and Co in some chromitites of the Eastern Bushveld Complex, South Africa. Chem. Geol., 62, 1986, 227-37.
11. Lee C. A. and Parry S. J. Platinum-group element geochemistry of the Lower and Middle Group chromitites of the Eastern Bushveld Complex. Econ. Geol., 83, 1988, 1127-39.
12. Legendre O. and Augé T. Mineralogy of platinum-group mineral inclusions in chromitites from different ophiolitic complexes. In Metallogeny of basic and ultrabasic rocks Gallagher M. J. et al. eds (London: IMM, 1986), 361-72.
13. Lenahan W. C. and Murray-Smith R. de L. Assay and analytical practice in the S. A. mining industry (Chamber of Mines of South Africa, 1986), 512 p. (S. Afr. Inst. Min. Metall., Monograph Series M6)
14. McLaren C. H. and de Villiers J. P. R. The platinum-group chemistry and mineralogy of the UG-2 chromitite layer of the Bushveld Complex. Econ. Geol., 77, 1982, 1348-66.
15. Naldrett A. J. Stratiform PGE deposits in layered intrusions. In Ore deposition associated with magmas Whitney J. A. and Naldrett A. J. eds (El Paso, Texas: Society of Economic Geologists, 1989), 135-65. (Reviews in Economic Geology no. 4)
16. Naldrett A. J. and von Gruenewaldt G. Association of platinum-group elements with chromitite in layered intrusions and ophiolite complexes. Econ. Geol., 84, 1989, 180-7.
17. Nixon G. T. Cabri L. J. and Laflamme J. H. G. Platinum-group element mineralization in lode and placer deposits associated with the Tulameen Alaskan-type complex, British Columbia. Can. Mineral., 28, 1990, 503-35.
18. Page N. J. et al. Platinum-group element resources in podiform chromitites from California and Oregon. Econ. Geol., 81, 1986, 1261-71.
19. Prendergast M. D. The chromite ore field of the Great Dyke, Zimbabwe. In Evolution of chromium ore fields Stowe C. W. ed. (New York: Van Nostrand Reinhold, 1987), 89-108.
20. Prendergast M. D. Platinum-group minerals and hydrosilicate 'alteration' in Wedza-Mimosa platinum deposit, Great Dyke, Zimbabwe - genetic and metallurgical implications. Trans. Instn Min. Metall. (Sect. B: Appl. earth sci.), 99, 1990, B91-105.
21. Prendergast M. D. The Wedza-Mimosa platinum deposit, Great Dyke, Zimbabwe: layering and stratiform PGE mineralization in a narrow mafic magma chamber. Geol. Mag., 128, 1991, 235-49.
22. Prendergast M. D. and Wilson A. H. The Great Dyke of Zimbabwe - II: mineralization and mineral deposits. In Magmatic sulphides - the Zimbabwe volume Prendergast M. D. and Jones M. J. eds (London: IMM, 1989), 21-42.
23. Talkington R. W. and Lipin B. R. Platinum-group minerals in chromite seams of the Stillwater Complex, Montana. Econ. Geol., 81, 1986, 1179-86.
24. Tarkian M. and Prichard H. M. Irarsite-hollingworthite solid-solution series and other associated Ru-, Os-, Ir-, and Rh-bearing PGM's from the Shetland ophiolite complex. Mineral. Deposita, 22, 1987, 178-84.
25. von Gruenewaldt G. Hulbert L. J. and Naidrett A. J. Contrasting platinum-group element concentration patterns in cumulates of the Bushveld Complex. Mineral. Deposita, 24, 1989, 219-29.
26. Wilson A. H. The geology of the Great 'Dyke', Zimbabwe: the ultramafic rocks. J. Petrol., 23, 1982, 240-92.
27. Wilson A. H. The geology of the Great Dyke, Zimbabwe: crystallization, layering and cumulate formation in the P1 pyroxenite of cyclic unit 1 of the Darwendale subchamber. J. Petrol., 33, 1992, 611-63.
28. Wilson A. H. and Prendergast M. D. The Great Dyke of Zimbabwe - I: tectonic setting, stratigraphy, petrology, structure, emplacement and crystallization. Reference 22, 1-20.
29. Worst B. G. The Great Dyke of Southern Rhodesia. Bull. Geol. Surv. Sth Rhod., no. 47, 1960, 234 p.