Rb-Sr and Nd-Sm isotopes in fluorite related to the granites of the Bushveld Complex

South African Journal of Geology

Volumn 107, Issue 3, 2004, Pages 413-430

  Kinnaird, Judith A ^a   Kruger, F J ^a   Cawthorn, R G ^a  

^a UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33846177707     PISSN: 10120750     EISSN: None     Source Type: Journal    
DOI: 10.2113/107.3.413     Document Type: Article

References (63)

1. Absolom, S. S. (1986). The Buffalo fluorspar deposit, Naboomspruit District. In: C. R. Anhaeusser and S. Maske (Editors), Mineral Deposits of southern Africa, Geological Society of South Africa, 1337-1341.
2. Bai, T. B. and Koster van Groos, (1999). The distribution of Na, K, Rb, Sr, Al, Ge, Cu, W, Mo, La and Ge between granitic melts and co-existing aqueous fluids. Geochimica et Cosmocbimtca Acta, 63 7/8, 1117-1131.
3. Borrok, D. M., Kesler, S. E., Boer, R. H. and Essene, E. J. (1998). The Vergenoeg magnetite-fluorite deposit, South Africa. Support for a hydrothermal model for massive iron oxide deposits. Economic Geology, 93, 564-586.
4. Brantley, S. L., Chesley, J. T. and Stillings, L. L. (In press). Isotopic ratios and release rates of Sr measured from weathering feldspars. Geochimica et Cosmochimica Acta, Volume 62, Issue 9, 1 May, 1493-1500.
5. Buick, I. S., Maas, R. and Gibson, R. (2001). Precise U-Pb titanite age constraints on the emplacement of the Bushveld Complex, South Africa. Journal of the Geological Society of London, 158, 3-6.
6. Burger, A. J., Oosthuizen, E. J. and van Niekerk, C. B. (1967). New Pb isotopic ages from minerals from granitic rocks in the northern and central Transvaal. Annals of the Geological Survey of South Africa, 6, 85-89.
7. Cathles, L. M., Erendi, A. H. J., and Barrie, T. (1997). How long can a hydrothermal system be sustained by a single intrusive event? Economic Geology 92 7/8: 766-771.
8. 8786Sr in residual liquids of high Rb/Sr magmas that evolve by fractional crystallisation. Chemical Geology, 118, 321-326.
9. Cawthorn, R. G. and Walraven, F. (1998). Emplacement and crystallization time for the Bushveld Complex. Journal of Petrology, 39, 9 1669-1687.
10. Clemens, J. D., Holloway, J. R. and White, A. J. R. (1986). Origin of A-type granites: experimental constraints. American Mineralogist, 71, 317-324.
11. Coetzee, H. 1995. The tectono-chronological evolution of the Bushveld Complex. Unpublished MSc thesis, University of the Witwatersrand, Johannesburg, South Africa. 138pp
12. Collins, W. J., Beams, S. D., White, A. J. R. and Chappell, B. W. (1982). Nature and origin of A-type granites with particular reference to south-eastern Australia. Contributions to Mineralogy and Petrology, 80, 189-200.
13. Cousins, B. L., Spera, F. and Dobson P. (1993). Post-eruptive alteration of silicic ignimbrites and lavas. Gran Canaria, Canary Islands. Strontium, neodymium, lead and oxygen isotope evidence. Geochimica et Cosmochimica Acta, 57, 631-640.
14. Crocker, I. T. (1985). Volcanogenic fluorite-hematite deposits and associated pyroclastic rock suite at Vergenoeg, Bushveld Complex. Economic Geology, 80, 1181-1200.
15. Crocker, IT., Martini, J. E. J. and Songhe, A. P. G. (1988). The fluorspar deposits of the Republics of South Africa and Bophuthatswana. Handbook 11, Geological Survey of South Africa, 172pp.
16. Crocker, I. T., Eales, H. V. and Ehlers, D. L. (2001). Fluorite, cassiterite and sulphide deposits associated with the acid rocks of the Bushveld Complex. Memoir of the Council for Geosciences, South Africa, 90, 151pp.
17. Davies, R. D., Allsopp, H. L., Erlank, A. J. and Manton W. I. (1970). Sr-isotope studies on various layered mafic intrusions in southern Africa. In: D. J. L. Visser and G. von Gruenewaldt (Editors), Symposium on the Bushveld igneous complex and other layered intrusions, Special Publication of the Geological Society of South Africa, 1, 576-593.
18. De Beer, J. H., Meyer, R. and Hattingh, P. J. (1987). Geoelectrical and palaeomagnetic studies of the Bushveld Complex. In: A. Kroner (Editor), Proterozoic Lithospheric Evolution, American Geophysical Union Geodynamics Series, Volume 17, 191-205.
19. Eby, G. N. (1990). The A-type granitoids: A review of their occurrence and chemical characteristics and speculations on their petrogenesis. Lithos 26, 115-134.
20. Eby, G. N. (1992). Chemical subdivision of A-type granitoids: Petrogenetic and tectonic implications. Geology, 20, 641-644.
21. Freeman, L. A. (1998). The nature of hydrothermal fluids associated with granite-hosted, polymetallic mineralisation in the eastern lobe of the Bushveld Complex. Unpublished PhD thesis. University of the Witwatersrand, Johannesburg, South Africa, 335pp.
22. Hamilton, P. J. (1977). Sr isotopes and trace element studies of the Great Dyke and Bushveld mafic phase and their relationship to Proterozoic magma genesis in southern Africa. Journal of Petrology, 18, 24-52.
23. Hammerbeck, E. C. I. (1970). The Steelpoort Granite, eastern part of the Bushveld Complex and the magnetitites in the gabbroic country rock. Geological Society of South Africa. Special Publication, 299-311.
24. st November 2000. University of the Witwatersrand, Johannesburg, South Africa.
25. Hatton, C. J. and Schweitzer, J. K. (1995). Evidence for synchronous extrusive and intrusive Bushveld magmatism. Journal of African Earth Sciences, 21, 579-594.
26. Hill, M., Barker F, Hunter, D. and Knight R. (1996). Geochemical characteristics and origin of the Lebowa Granite Suite, Bushveld Complex. International Geology Reviews. 38, 195-227.
27. Holzer, L., Frei, R., Barton, J. M. and Kramers, J. D. (1998). Unravelling the record of successive high grade events in the Central Zone of the Limpopo belt using single phase dating of a metamorphic mineral. Precambrian Research, 87, 87-115.
28. Hunter, D. R. and Hamilton, P. J. (1978). The Bushveld Complex. In: D. H. Tarling (Editor), Evolution of the Earth's crust. Academic Press, London 107-173.
29. 86Sr) of Hercynian peraluminous granites with application to age determination. Goldscbmidt Conference Abstract, Heidelberg, 31st March-4th April, 281p.
30. Kamber, B. S., Kramers, J. D., Napier, R., Cliff, R. A. and Rollinson, H. R., (1995). The Triangle Shearzone, Zimbabwe, revisited: new data document an important event at 2.0 Ga in the Limpopo Belt. Precambrian Research, 70, 191-213.
31. Kleeman, G. J. and Twist D. (1989). The compositionally-zoned sheet-like granite pluton of the Bushveld Complex: Evidence bearing on the nature of A-type magmatism. Journal of Petrology, 30, 1383-1414.
32. Kruger, F. J. (1990). The stratigraphy of the Bushveld Complex: a reappraisal and relocation of the Main Zone boundaries. South African Journal of Geology, 93, 376-381
33. Kruger, F. J., Cawthom, R. G. and Walsh, K. L. (1987). Strontium isotope evidence against magma addition in the Upper Zone of the Bushveld Complex. Earth and Planetary Science Letters, 84, 51-58
34. Lenthall, D. H. and Hunter D. R. (1977). The geochemistry of the Bushveld granites in the Potgietersrus tin-field. Precambrian Research, 5, 359-400.
35. Loiselle, M. C. and Wones, D. R. (1979). Characteristics and origin of anorogenic granites. Geological Society of America. Abstracts With Programme. 11, 468.
36. 86'Sr ratio during protracted fractionation in igneous complexes. Journal of Petrology, 21, 254-264.
37. MacCaskie, D. R. (1983). Differentiation of the Nebo granite (Main Bushveld Granite), South Africa. Unpublished PhD thesis, University of Oregon, U. SA.
38. Martini, J. E. E. and Hammerbeck, E. C. I. (1998). Fluorspar. In: Wilson, M. G. C. and Anhaeusser, C. R. (Editors). The mineral resources of South Africa. Handbook 16. Council for Geosciences, South Africa, 269-279.
39. McNaughton, N. J., Pollard, P. J., Groves, D. I. and Taylor, R. G. (1993). A longlived hydrothermal system in the Bushveld Granites at the Zaaiplaats tin mine: lead isotope evidence. Economic Geology, 88, 27-43.
40. Molyneux, T. G. and Klinkert, P. S. (1978). A structural interpretation of part of the eastern mafic lobe in the Bushveld Complex and its surrounds. Transactions of the Geological Society of South Africa, 81, 359-368.
41. Nicolaysen, L. O., de Villier, J. W. L., Burger AJ. and Strelow, F. W. E. (1958). New measurements relating to the absolute age of the Transvaal System and the Bushveld Igneous Complex. Transactions of the Geological Society of South Africa, 61, 137-163.
42. Pollard, P. J., Taylor, R. G. and Tate, N. M. (1989). Textural evidence for quartz and feldspar dissolution as a mechanism of formation for Magg's pipe, Zaaiplaats tin mine, South Africa. Mineralium Deposita, 24, 210-218.
43. Pollard, P. J., Andrews, AS. and Taylor, R. G. (1991). Fluid inclusion and stable isotope evidence for interaction between granites and magmatic hydrothermal fluids during formation of disseminated and pipe-style mineralisation at the Zaaiplaats tin mine. Economic Geology, 86, 121-141.
44. Pringle, I. C. (1986). The Zwartkloof fluorite deposits, Warmbad District. In: C. R. Anhaeusser and S. Maske (Editors). Mineral Deposits of southern Africa, Geological Society of South Africa. 1343-1349.
45. Richardson, J. M., Blenkinsop, J. and Bell, K. (1990). Extreme variations in strontium initial ratios in ore-related fluids. Contributions to Mineralogy and Petrology, 104, 516-529.
46. Robb, L. J., Robb, V. M. and Walraven, F. (1994). The Albert Mine Revisited: towards a model for polymetallic mineralisation in granites of the Bushveld Complex, South Africa. Exploration and Mining Geology, 3, 247-262.
47. Robb, L. J., Freeman, L. A. and Armstrong, R. A. (2000). The nature and longevity of hydrothermal fluid flow and mineralisation in granites of the Bushveld Complex. Transactions of the Royal Society of Edinburgh: Earth Sciences, 91, 269-281.
48. SACS (1980). Stratigraphy of South Africa. Part 1 In: L. E. Kent (Compiler), Lithostratigraphy of the Republic of South Africa, Handbook of the Geological Survey of South Africa, 8. 690pp.
49. 86Sr and REE constraints on fluid-melt relations, crystallisation time span and bulk Sr of evolved high-silica granites. Tabuleiro granites, Santa Catarina, Brazil. Chemical Geology, 164, 81-92.
50. 87 Sr loss. Annals of the Geological Survey of South Africa, 15, 49-53.
51. Walraven, F. (1987). Geochronological and isotopic studies of Bushveld Complex rocks from the Fairfield borehole in Moloto, northeast of Pretoria. South African Journal of Geology, 90, 352-360.
52. Walraven, F. (1988). Notes on the age and genetic relationships of the Makhutso granite, Bushveld Complex, South Africa. Chemical Geology (isotope Geoscience Section), 72, 17-28.
53. Walraven, F. (1997). Geochronology of the Rooiberg Group, Transvaal Supergroup, South Africa. Information Circular, Economic Geology Research Unit, University of the Witwatersrand, Johannesburg 316, 21pp.
54. Walraven, F. and Hattingh E. (1993). Geochronology of the Nebo granite, Bushveld Complex. South African Journal of Geology, 96, 1/2, 31-41.
55. Walraven, F., Kleeman, G. J. and Allsopp, ILL. (1985). Disturbance of trace element and isotope systems and its bearing on mineralisation in acid rocks of the Bushveld Complex. In: High Heat Production (HHP) granites, hydrothermal circulation and ore genesis. Institution of Mining and Metallurgy, London, U. K., 393-408.
56. Walraven, F, Armstrong, R. A. and Kruger, F. J. (1990a). A chronostratigraphic framework for the north central Kaapvaal craton, the Bushveld Complex and the Vredefort structure. Tectonophysics 171, 23-48.
57. Walraven, F, Strydom, J. H. and Strydom, N. (1990b). Rb-Sr open system behaviour and its application as a pathfinder for Sn mineralisation in granites of the Bushveld Complex, South Africa. Journal of Geochemical exploration, 37, 333-350.
58. Watson, M. D. and Snyman, C. P. (1975). The geology and mineralogy of the fluorite deposits at the Buffalo Fluorspar Mine on Buffelsfomein 347 KR, Naboomspruit District. Transactions of the Geological Society of South Africa, 78, 137-151.
59. Webster, J. D., Holloway, J. R. and Hervig, R. L. (1987). Phase equilibria of Be, U and F-enriched vitrophyre from Spor Mountian, Utah. Geocbimica et Cosmochimica Acta, 51, 389-402.
60. Whalen, J. B., Currie, K. L. and Chappell, B. W. (1987). A-type granites: geochemical characteristics, discrimination and petrogenesis. Contributions to Mineralogy and Petrology, 95, 407-419.
61. Whalen, J. B., Jenner, G. A., Longstaffe, F. J., Robert, F. and Gariepy, C. (1996). Geochemical and isotopic (O, Nd, Pb and Sr) constraints on A-type granite petrogenesis based on the Topsails igneous suite, Newfoundland, Appalachians. Journal of Petology, 37, 1463-1489.
62. Wilson, J., Ferré, E. C. and Lespinasse, P. (2000). Repeated tabular injection of high-level alkaline granites in the eastern Bushveld, South Africa. Journal of the Geological Society of London, 157, 1077-1088.
63. Xenophontos, L., Stevens, G. and Poujol, M. (2001). The origin of aluminous alteration assemblages in the gold reefs of the Witwatersrand Basin by sulphidation of lithic clasts. EGRI HAL Laboratory Newsletter, Internal EGRI publication, 4:1.