Eclogite xenoliths from the Premier kimberlite, South Africa: Geochemical evidence for a subduction origin

South African Journal of Geology

Volumn 109, Issue 3, 2006, Pages 353-368

  Dludla, Siyanda ^a   le Roex, Anton P ^a   Gurney, John J ^a  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL COMPOSITION; CLINOPYROXENE; ECLOGITE; GEOCHEMISTRY; PYROXENITE; RARE EARTH ELEMENT; SUBDUCTION; TECTONIC SETTING; XENOLITH;

AFRICA; KAAPVAAL CRATON; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 33846125918     PISSN: 10120750     EISSN: None     Source Type: Journal    
DOI: 10.2113/gssajg.109.3.353     Document Type: Article

References (58)

1. Allsopp, H.L., Burger, A.J. and van Zyl, C. (1967). A minimum age for the Premier kimberlite pipe yielded by biotite Rb-Sr measurements, with related galena isotope data. Earth and Panetary Science Letters, 3, 16l-166.
2. Appleyard, C.M., Bell, D.R. and le Roex, A.P. (in press). Petrology and geochemistry of eclogite xenoliths from the Rietfontein kimberlite, Northern Cape, South Africa. Contributions to Mineralogy and Petrology.
3. Barth, M.G., Rudnick, R.L., Horn, I., McDonough, W.F., Spicuzza, M.J. and Valley, J.W. (2001). Geochemistry of xenolithic eclogites from West Africa; Part I, A link between low MgO eclogites and Archean crust formation. Geochimica et Cosmochimica Acta, 65, 1499-1527.
4. Barth, M.G., Rudnick, R.L., Horn, I., McDonough, W.F., Spicuzza, M.J., Valley, J.W. and Haggerty, S.E. (2002). Geochemistry of xenoliths from West Africa, part 2: Origins of the high MgO eclogites. Geochimica et Cosmochimica Acta, 66, 4325-4345.
5. Bartlett, P.D. (1990). Premier mine geology. DeBeers Internal Report, 53pp.
6. Brey, G.P. and Köhler, T. (1990). Geothermobarometry in four-phase Lherzolites II. New thermobarometers, and practical assessment of existing thermobarometers. Journal of Petrology, 31, 1353-1378.
7. 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.
8. Caporuscio, F.A. and Smyth, J.R. (1990). Trace element crystal chemistry of mantle eclogites. Contributions to Mineralogy and Petrology, 105, 550-561.
9. Danchin, R.V. (Editor) (1979). Mineral and bulk chemistry of garnet Iberzolite and garnet barzburgite xenoliths from the Premier mine, South Aftica. The Mantle Sample: inclusions in Kimberlites and other Volcanics: Proceedings of the Second International Kimberlite Conference. The American Geophysical Union: Washington, DC.
10. Danchin, R.V. and Boyd, F.R. (1976). Ultramafic nodules from the Premier kimberlite pipe, South Africa. Carnegie Institution of Washington Yearbook, 75, 531-538.
11. de Bruin, D. (1989). Mantle eclogites from the Schuller kimberlite, Transvaal, South Africa. South African Journal of Geology, 92, 134-145.
12. 13C content of Finsch and Premier diamonds and their implications. Geochimica et Cosmochimica Acta, 63, 1367-1378.
13. 3+ concentrations in ferromagnesian silicates and oxides from microprobe analyses, using stoichiometric criteria. Mineralogical Magazine, 51, 431-435.
14. Ellis, D.J. and Green, D.H. (1979). An experimental study of the effect of Ca upon garnet-clinopyroxene Fe-Mg exchange equilibria. Contributions to Mineralogy and Petrology, 71, 13-22.
15. Falloon, T.J. and Green, D.H. (1988). Anhydrous partial melting of peridotite from 8 to 35kb and the petrogenesis of MORB. Journal of Petrology, 379-414.
16. Fung, A.T. and Haggerty, S.E. (1995). Petrography and mineral compositions of eclogites from the Koidu Kimberlite complex, Sierra Leone. Journal of Geophysical Research, 100, 20,451-420,473.
17. Grégoire, M., Tinguely, C., Bell, D.R. and le Roex, A.P. (2005a). Spinel Iherzolite xenoliths from the Premier kimberlite (Kaapvaal craton, South Africa): nature and evolution of the shallow upper mantle beneath the Bushveld complex. Lithos, 84, 185-205.
18. Grégoire, M., Tinguely, C., Bell, D.R. and le Roex, A.P. (2005b). Spinel Iherzolite xenoliths from the Premier kimberlite (Kaapvaal craton, South Africa): Nature and evolution of the shallow upper mantle beneath the Bushveld complex. Lithos, 84, 185-205.
19. Gurney, J.J., Harris, J.W., Rickard, R.S. and Moore, R.O. (1985). Inclusions in Premier Mine Diamonds. Transactions of Geological Society South Africa, 88, 301-310. Transactions of Geological Society South Africa, 88, 301-310.
20. Gurney, J.J., Helmstaedt, H.H., le Roex, A.P., Richardson, S.H. and Westerlund, K.J. (2005). Diamonds: crustal distribution and formation processes in time and space integrated into an advanced deposit model. Economic Geology, One Hundredth Anniversary Volume, 143-178.
21. Gurney, J.J., Mathias, M., Siebert, C. and Moseley, G. (1971). Kyanite eclogites form the Rietfontein kimberlite pipe, Mier Coloured reserve, Gordonia, Cape Province, South Africa. Contributions to Mineralogy and Petrology, 30, 46-52.
22. Harley, S.L. (1984). An experimental study of the partitioning of Fe and Mg between garnet and orthopyroxene. Contributions to Mineralogy and Petrology, 86, 359-373.
23. Hatton, C.J. and Gurney, J.J. (1987). Roberts Victor eclogites and their relation to the mantle. In: P.H. Nixon (ediutor), Mantle xenoliths, John Wiley and Sons Limited, Chichester, Sussex, United Kingdom, 453-463.
24. Helmstaedt, H. and Doig, R. (1975). Eclogite nodules from kimberlite pipes of the Colorado Plateau - samples of subducted Franciscan-type oceanic lithosphere. In: L.H. Ahrens, J.B. Dawson, A.R. Duncanand A.J. Erlank (Editors.), Physics and Chemistry of the Earth. 9, 95-111.
25. Hoal, K.O. (2003). Samples of Proterozoic iron-enriched mantle from the Premier kimberlite. Lithos, 71, 259-272.
26. Jacob, D., Jagoutz, E., Lowry, D., Mattey, D. and Kudrjavtseva, G. (1994). Diamondiferous eclogites from Siberia: remnants of Archean oceanic crust. Geochimica et Cosmoschimica Acta, 58, 5191-5207.
27. Jacob, D.E. (2004). Nature and origin of eclogite xenoliths from kimberlites. Lithos, 77, 295-316.
28. James, D.E., Fouch, M.J., VanDecar, J.C., van der Lee, S. and Group, K.S. (2001). Tectospheric structure beneath southern Africa. Geophysical Research Letters, 28, 2485-2488.
29. Jones, R.A. (1987). Strontium and neodymium and rare earth element evidence for the genesis of megacrysts in kimberlites of southern Africa. In: P.H. Nixon (Editor), Mantle Xenoliths, John Wiley and Sons, New York, United States of America, 711-724.
30. Krogh, E.J. (1988). The garnet-clinopyroxene Fe-Mg geothermometer: a reinterpretation of experimental data. Contributions to Mineralogy and Petrology, 99, 44-48.
31. le Roex, A.P., Dick, H.J.B., Erlank, A.J., Reid, A.M., Frey, F.A. and Hart, S.R. (1983). Geochemistry, mineralogy and petrogenesis of lavas erupted along the Southwest Indian Ridge between the Bouvet Triple Junction and 11 degrees east. Journal of Petrology, 24, 267-318.
32. le Roex, A.P., Dick, H.J.B., Reid, A.M., Frey, F.A., Erlank, A.J. and Hart, S.R. (1985). Petrology and geochemistry of basalts from the American-Antarctic Ridge, Southern Ocean: implications for the westward influence of the Bouvet mantle plume. Contributions to Mineralogy and Petrology, 90, 367-380.
33. le Roux, P.J., le Roex, A.P. and Schilling, J.-G. (2002). Crystallisation beneath the southern Mid-Atlantic Ridge (40°-55°S), evidence for high pressure of initiation of crystallisation. Contributions to Mineralogy and Petrology, 142, 582-602.
34. 3 in enstatite for spinel and garnet peridotite compositions. American Mineralogist, 59, 110-119.
35. MacGregor, I.D. and Carter, J.L. (1970). The chemistry of clinopyroxenes and garnets of eclogite and peridotite xenoliths from the Roberts Victor Mine, South Africa. Physics of Earth and Planetary Interiors, 3, 391-397.
36. MacGregor, I.D. and Manton, W.I. (1986). Roberts Victor eclogites: ancient oceanic crust. Journal of Geophysical Research, 91, 14063-14079.
37. Maier, W.D., Arndt, N.T. and Curl, E.A. (2000). Progressive crustal contamination of the Bushveld Complex; evidence from Nd isotopic analyses of the cumulate rocks. Contributions Mineralogy and Petrology, 140, 316-327.
38. McCandless, T.E. and Gurney, J.J. (1989). Sodium in garnet and potassium in Clinopyroxene: criteria for classifying mantle eclogites. In: Kimberlites and related rocks. Their mantle-crust setting, diamonds and diamond exploration. Special Publication of the Geological Society of Australia, 14, 827-832.
39. Navon, O. (1999). Diamond formation in the Earth's mantle. Proceedings of the VIIth International Kimberlite Conference. Red Roof Design, Cape Town, South Africa, 616-624.
40. Nickel, K.G. and Green, D.H. (1985). Empirical geothermobarometry for garnet peridotites and implications for the nature of the lithosphere, kimberlites and diamonds. Earth and Planetary Science Letters, 73, 158-170.
41. Olson, K.E. and Erlank, A.J. (1993). Magmas and metasomites from the Proterozic Premier kimberlite, South Africa. In: K.P.E. Dunne and B. Grant (Editors), GAC-MAC Symposium on mid-continental diamonds, Geological Association of Canada, Abstract, 133.
42. Pollack, H.N. and Chapman, D.S. (1977). On the regional variation of heat flow, geotherms and lithospheric thickness. Tectonophysics, 38, 279-296.
43. Pouchou, J.L. and Pichoir, F. (1984). A new model for quantitative X-ray microanalysis. Part I: application to the analysis of homogeneous samples. Research Aerospace, 3. 167-192.
44. Powell, R. (1985). Geothermometry and geobarometry: a discussion. Journal of Geological Society of London, 142, 29-38.
45. Rapp, R.P. and Watson, E.B. (1995). Dehydration melting of metabasalt at 8-32 kbar: implications for continental growth and crust-mantle recycling. Journal of Petrology, 36, 891-931.
46. Richardson, S.H. (1986). Latter-day origin of diamonds of eclogitic paragenesis. Nature, 322, 623-626.
47. Robey, J. (1981). Kimberlites in the Central Cape Province, Republic of South Africa. Unpublished PhD thesis, University of Cape Town, South Africa, 261pp. plus appendices.
48. Schulze, D.J. (1989). Constraints on the abundances of eclogite in the upper mantle. Journal of Geophysical Research, 94, 4205-4212.
49. Shee, S. and Gurney, J.J. (1979). The mineralogy of xenoliths from Orapa, Botswana. In: F.R. Boyd and H.O.A. Meyer (Editors), The mantle sample: inclusions in kimberlites and related rocks. American Geophysical Union, 37-49.
50. Shirey, S.B., Carlson, R.W., Richardson, S.H., Menzies, A.H., Gurney, J.J., Pearson, D.G., Harris, J.W. and Wiechert, U. (2001). Archean emplacement of eclogitic components into the lithospheric mantle during formation of the Kaapvaal craton. Geophysical Research Letters, 28, 2509-2512.
51. Smyth, J.R., Caporuscio, F.A. and McCormick, T.C. (1989). Mantle eclogites: evidence of igneous fractionation in the mantle. Earth and Planetary Science Letters, 93, 133-141.
52. Sun, S.-s. and McDonough, W.F. (1989). Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: A.D. Saunders and M.J. Norry (editors), Magmatism in the Ocean Basins. Geological Society, London, Special publication, 42, 313-345.
53. Taylor, L.A. and Neal, C.R. (1989). Eclogites with oceanic crustal and mantle signatures from the Bellsbank kimberlite, South Africa, Part 1: mineralogy, petrography, and whole-rock chemistry. Journal of Geology, 97, 551-567.
54. Taylor, L.A., Snyder, G.A., Keller, R., Remley, D.A., Anand, M., Wiesli, R., Valley, J. and Sobolev, N.V. (2003). Petrogenesis of group A eclogites and websterites: evidence from the Obnazhennaya kimberlite, Yakutia. Contributions to Mineralogy and Petrology, 145, 424-443.
55. Viljoen, K.S. (1995). Graphite- and diamond-bearing eclogite xenoliths from the Bellsbank kimberlites, northern Cape, South Africa. Contributions to Mineralogy and Petrology, 121, 414-423.
56. Viljoen, K.S., Schulze, D.J. and Quadling, A.G. (2005). Contrasting group I and group II eclogite xenolith petrogenesis: petrological, trace element and isotopic evidence from eclogite, garnet-websterite and alkremite xenoliths in the Kaalvallei kimberlite, South Africa. Journal of Petrology, 46, 2059-2090.
57. Viljoen, K.S., Smith, C.B. and Sharp, Z.D. (1996) Stable and radiogenic isotope study of eclogite xenoliths from the Orapa kimberlite, Botswana. Chemical Geology, 131, 235-255.
58. Walter, M.J. (1998). Melting of Garnet Peridotite and the Origin of Komatiite and Depleted Lithosphere. Journal of Petrology, 39, 29-60.