Self-destructive sulfide segregation systems and the formation of high-grade magmatic ore deposits

Economic Geology

Volumn 100, Issue 2, 2005, Pages 311-332

  Kerr, Andrew ^a   Leitch, Alison M ^b  

^a GEOLOGICAL SURVEY OF CANADA   (Canada)

^b MEMORIAL UNIVERSITY OF NEWFOUNDLAND   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

MAGMA BATCHES; METAL CONCENTRATIONS; SILICATE MAGMA; SULFIDE SEGRAGATION SYSTEMS;

CONCENTRATION (PROCESS); DEPOSITS; LIQUID METALS; SULFIDE MINERALS; VOLCANOES;

SEGREGATION (METALLOGRAPHY);

MAGMATISM; MINERALIZATION; SULFIDE;

EID: 21244472659     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.100.2.311     Document Type: Article

References (38)

1. Arndt, N.T., Czamanske, G.K., Walker, R.J., Chauvel, C., and Fedorenko, V.A., 2003, Geochemistry and origin of the intrusive hosts of the Noril'sk-Talnakh Cu-Ni-PGE sulfide deposits: Economic Geology, v. 98, p. 495-515.
2. Baragar, W.R.A., Ernst, R.E., Hulbert, L., and Peterson, T., 1996, Longitudinal petrochemical variation in the MacKenzie dyke swarm, northwestern Canadian Shield: Journal of Petrology, v. 37, p. 317-359.
3. Barnes, S-J., and Maier, W.D., 1999, The fractionation of Ni, Cu and the noble metals in silicate and sulphide liquids: Geological Association of Canada Short Course Notes 13, p. 69-107.
4. Barnes, S-J., Maier, W.D., 2002, Platinum-group element distributions in the Rustenberg Layered Suite of the Bushveld Complex, South Africa: Canadian Institute of Mining, Mineralogy and Petroleum Special Volume 54, p. 431-459.
5. Barnes, S.J., Hill, R.E.T., Perring, C.S., and Dowling, S.E., 1999, Komatiite flow-fields and associated Ni-sulphide mineralization, with examples from the Yilgarn block: Geological Association of Canada Short Course Notes 13, p. 159-195.
6. Boudreau, A.E., and McCallum, I.S., 1992, Concentration of platinum-group elements by magmatic fluids in layered intrusions: Economic Geology, v. 87, p. 1830-1848.
7. Brenan, J. M., and Andrews, D., 2001, High-temperature stability of laurite and Ru-Os-Ir alloy and their role in PGE fractionation in mafic magmas: Canadian Mineralogist, v. 39, p. 341-360.
8. Brügmann, G.E., Naldrett, A.J., Asif, M., Lightfoot, P.C., Gorbachev, N.S., and Feforenko, V.A., 1993, Siderophile and chalcophile metals as tracers of the evolution of the Siberian Trap in the Noril'sk region, Russia: Geochimica et Cosmochimica Acta, v. 57, p. 2001-2018.
9. Campbell, I.H., and Naldrett, A.J., 1979, The influence of silicate: sulfide ratios on the geochemistry of magmatic sulfides: Economic Geology, v. 74, p. 1503-1506.
10. Campbell, I.H., Naldrett, A.J., and Barnes, S.J., 1983, A model for the origin of the platinum-rich horizons of the Bushveld and Stillwater complexes: Journal of Petrology, v. 24, p. 133-165.
11. Cawthorn, R.G., Merkle, R.K.W., and Viljoen, M.J., 2002, Platinum-group elements in the Bushveld Complex, South Africa: Canadian Institute of Mining, Mineralogy and Petroleum Special Volume 54, p. 389-431.
12. Cox, K.G., Bell, J.D., and Pankhurst, R.J., 1979, The interpretation of igneous rocks: London, Allen and Unwin, 450 p.
13. Crockett, J.H., 2002, Platinum-group element geochemistry of mafic and ultramafic rocks: Canadian Institute of Mining, Mineralogy and Petroleum Special Volume 54, p. 177-211.
14. Hamlyn, P.R., and Keays, R.R., 1986, Sulfur saturation and second-stage melts: Application to the Bushveld platinum metal deposits: Economic Geology, v. 81, p. 1431-1445.
15. Jeffrey, A., 1995, Handbook of mathematical formulae and integrals: San Diego, Academic Press, 410 p,
16. Keays, R.R., 1995, The role of komatiitic and picritic magmatism and S-saturation in the formation of ore deposits: Lithos, v. 34, p. 1-18.
17. Kerr, A., 2001, The calculation and use of sulfide metal contents in the study of magmatic ore deposits: A methodological analysis: Exploration and Mining Geology, v. 10, p. 289-301.
18. Kerr, A., 2002, The possible importance of sulfide liquid dissolution in the genesis of high-grade magmatic ore deposits [abs]: Geological Society of America Abstracts with Programs, v. 36, no. 5, Paper 52-6.
19. Kerr, A., and Leitch, A.M., 2005, Spreadsheet programs for modelling open-system sulfide liquid segregation processes: Newfoundland Department of Natural Resources, Geological Survey Open File NFLD 2901, in press.
20. Lesher, C.M., 1989, Komatiite-associated nickel sulfide deposits: Reviews in Economic Geology, v. 4, p. 45-101.
21. Lesher, C.M., and Burnham, O.M., 1999, Mass balance and mixing in magmatic sulfide systems: Geological Association of Canada Short Course Notes 13, p. 413-451.
22. Lesher, C.M., and Campbell, I.H., 1993, Geochemical and fluid-dynamic modeling of compositional variations in Archean komatiite-hosted nickel sulfide ores in Western Australia: Economic Geology, v. 88, p. 804-816.
23. Li, C., and Naldrett, A.J., 1999, Geology and petrology of the Voisey's Bay intrusion: Reaction of olivine with silicate and sulfide liquids: Lithos, v. 47, p. 1-31.
24. Li, C., Maier, W.D., and de Waal, S.A., 2001, Magmatic Ni-Cu versus PGE deposits: Contrasting genetic controls and exploration implications: South African Journal of Geology, v. 104, p. 309-318.
25. Li, C., Ripley, E.M., Maier, W.D., and Gomwe, T.E.S., 2002, Olivine and sulfur isotopic compositions of the Uitkomst Ni-Cu sulfide ore-bearing complex, South Africa: Evidence for sulfur contamination and multiple magma emplacements: Chemical Geology, v. 188, p. 149-159.
26. Lightfoot, P.C., and Hawkesworth, C.J., 1997, Flood basalts and magmatic Ni, Cu and PGE sulphide mineralization: Comparative geochemistry of the Noril'sk (Siberian traps) and West Greenland sequences: American Geophysical Union Monograph 100, p. 357-380.
27. Lightfoot, P.C., and Keays, R.R., 1994, New approaches in targeting giant magmatic Ni-Cu-PGE deposits in Ontario [abs.]: Canadian Institute of Mining Geological Society Field Conference, 4th, Sudbury, Ontario, Short Course Manual, p. 79.
28. Maier, W.D., Sliep, J., Barnes, S-J., and Li, C., 2001, PGE-bearing mafic and ultramafic sills in the floor of the eastern Bushveld Complex, on the farms Blaauwboschkraal, Zwartkopje and Waterval: South African Journal of Geology, v. 104, p. 343-354.
29. Makovicky, E., 2002, Ternary and quaternary phase systems with PGE: Canadian Institute of Mining, Mineralogy and Petroleum Special Volume 54, p. 131-177
30. Mathez, E.A., 1995, Magmatic metasomatism and the formation of the Merensky reef. Bushveld Complex: Contributions to Mineralogy and Petrology, v. 119, p. 277-286.
31. Mavrogenes, J.A., and O'Neill, H. St. C., 1999, The relative effects of pressure, temperature and oxygen fugacity on the solubility of sulfide in mafic magmas: Geochimica et Cosmochimica Acta, v. 63, p. 1173-1180.
32. Mungall, J.E., 2002, Kinetic controls on the partitioning of trace elements between silicate and sulfide liquids: Journal of Petrology, v. 43, p. 749-768.
33. Naldrett, A.J., 1999, World class Ni-Cu-Co deposits: Key factors in their genesis: Mineralium Deposita, v. 34, p. 227-240.
34. Naldrett, A.J., and Lightfoot, P.C., 1999, Ni-Cu-PGE deposits of the Noril'sk region, Siberia: Their formation in conduits for flood-basalt volcanism: Geological Association of Canada Short Course Notes 13, p. 195-249.
35. Naldrett, A.J., Federenko, V.A., Lightfoot, P.C., Kunilov, V.I., Gorbachev, N.S., Doherty, W., and Johan, Z., 1995, Ni-Cu-PGE deposits of Noril'sk region, Siberia: Their formation in conduits for flood-basalt volcanism: Transactions of the Institution of Mining and Metallurgy, see. B, v. 104, p. B19-B36.
36. Peck, D.C., Keays, R.R., James, R.S., Chubb, P.T., and Reeves, S.J., 2001, Controls on the formation of contact-type platinum-group element mineralization in the East Bull Lake intrusion: Economic Geology, v. 96, p. 559-581.
37. Tredoux, M., Lindsay, N.M., Davies, G., and McDonald, I., 1995, The fractionation of platinum-group elements in magmatic systems, with the suggestion of a novel causal mechanism: South African Journal of Geology, v. 98, p. 157-167.
38. Zientek, M.L., Cooper, R.W., Corson, S.R., and Geraghty, E.P., 2002, Platinum-group element mineralization in the Stillwater Complex, Montana: Canadian Institute of Mining, Mineralogy and Petroleum Special Volume 54, p. 459-483.