The timing of MARID metasomatism in the Kaapvaal mantle: an ion probe study of zircons from MARID xenoliths

Earth and Planetary Science Letters

Volumn 160, Issue 1-2, 1998, Pages 133-145

  Konzett, Jürgen ^a   Armstrong, Richard A ^b   Sweeney, Russell J ^c   Compston, William ^b  

^a ETH ZURICH   (Switzerland)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^c Anglo American Research Laboratories   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

CRETACEOUS; GEOCHRONOLOGY; METASOMATISM; XENOLITH; ZIRCON;

SOUTH AFRICA, KAAPVALL CRATON;

EID: 0031726273     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(98)00073-9     Document Type: Article

References (41)

1. Tainton K.M., McKenzie D. The generation of kimberlites, lamproites, and their source rocks. J. Petrol. 35:1994;787-817.
2. Fraser K.J., Hawkesworth C.J., Erlank A.J., Mitchell R.H., Scott-Smith B.H. Sr, Nd and Pb isotope and minor element geochemistry of lamproites and kimberlites. Earth Planet. Sci. Lett. 76:1985;57-70.
3. J.B. Dawson, Contrasting types of upper mantle metasomatism? in: Kimberlites II: The Mantle and Crust-Mantle Relationship, 3rd Int. Kimberlite Conf. Proc., 1984, pp. 289-295.
4. B. Harte, Metasomatic events recorded in mantle xenoliths: an overview, in: P.H. Nixon (Ed.), Mantle Xenoliths, Wiley, New York, 1987, pp. 625-640.
5. E.M.W. Skinner, C.R. Clement, Mineralogical classification of southern African kimberlites, in: 2nd Int. Kimberlite Conf. Proc., 1979, pp. 129-139.
6. Smith C.B. Pb, Sr, and Nd isotopic evidence for sources of African Cretaceous kimberlites. Nature. 304:1983;51-54.
7. E.M.W. Skinner, Contrasting group I and II kimberlite petrology: Towards a genetic model for kimberlites, in: 4th Int. Kimberlite Conf. Proc., 1989, pp. 528-544.
8. R.H. Mitchell, Kimberlites, Orangeites and Related Rocks, Plenum Press, New York, 1995, 410 pp.
9. Allsopp H.L., Barrett D.R. Rb-Sr age determinations of South African kimberlites. Phys. Chem. Earth. 9:1975;605-617.
10. Smith C.B., Clark T.C., Barton E.S., Bristow J.W. Emplacement ages of kimberlite occurrences in the Prieska Region, southwest border of the Kaapvaal Craton, South Africa. Chem. Geol. 113:1994;149-169.
11. A.J. Erlank, F.G. Waters, C.J. Hawkesworth, S.E. Haggerty, R.S. Rickard, M. Menzies, Evidence for mantle metasomatism in peridotite nodules from the Kimberley pipes, South Africa, in: M. Menzies, C.J. Hawkesworth (Eds.), Mantle Metasomatism, Academic Press, London, 1987, pp. 221-312.
12. Dawson J.B., Smith J.W. The MARID (mica-amphibole-rutile-ilmenite-diopside) suite of xenoliths in kimberlite. Geochim. Cosmochim. Acta. 41:1977;309-323.
13. 39Ar dating of phlogopites from southern African and Siberian kimberlites and their xenoliths: Constraints on eruption ages, melt degassing and mantle volatile compositions, in: 6th Int. Kimberlite Conf. Proc., 1997, pp. 106-117.
14. P.D. Kinny, W. Compston, J.W. Bristow, I.S. Williams, Archaean mantle xenocrysts in a Permian kimberlite: Two generations of kimberlitic zircon in Jwaneng DK2, southern Botswana, in: 4th Int. Kimberlite Conf. Proc., 1989, pp. 833-842.
15. 39Ar analysis, geochronology time scales and global stratigraphic correlation, Soc. Sediment. Geol. Spec. Publ. 54 (1995), 21 pp.
16. P. Kresten, Kimberlitic zircons, 1st Int. Kimberlite Conf., Ext. Abstr., 1973, pp. 191-194.
17. 2 ratio in zircons from kimberlites and alluvial sediments. Geochem. Int. 7:1982;536-542.
18. Krasnobayev A.A. Mineralogical-chemical features of zircons from kimberlites and problems of their origin. Int. Geol. Rev. 22:1980;1199-1209.
19. Ahrens L.H., Cherry R.D., Erlank A.J. Observations on the Th-U relationship in zircons from granitic rocks and from kimberlites. Geochim. Cosmochim. Acta. 31:1967;2379-2387.
20. Kinny P.D., Dawson J.B. A mantle metasomatic injection event linked to late Cretaceous kimberlite magmatism. Nature. 360:1992;726-728.
21. Tera F., Wasserburg G.J. U-Th-Pb systematics in three Apollo 14 basalts and the problem of initial Pb in lunar rocks. Earth Planet. Sci. Lett. 14:1972;281-304.
22. Cumming G.L., Richards J.R. Ore lead ratios in a continuously changing earth. Earth Planet. Sci. Lett. 28:1975;155-171.
23. Kresten P., Fels P., Berggren G. Kimberlitic zircons - a possible aid in prospecting for kimberlites. Miner. Deposita. 10:1975;47-56.
24. Davis G.L. The ages and uranium contents of zircons from kimberlites and associated rocks. Carnegie Inst. Washington, Yearb. 76:1977;631-635.
25. Davis G.L., Krogh T.E., Erlank A.J. The ages of zircons from kimberlites from South Africa. Carnegie Inst. Washington, Yearb. 75:1976;821-824.
26. Wayne D.M., Sinha A.K. Physical and chemical response of zircons to deformation. Contrib. Mineral. Petrol. 98:1988;109-121.
27. Lee J.K., Williams I.S. Microstructural controls on U-Pb mobility in zircons. Eos. 74:1993;650-651.
28. B.O. Mysen, Structure and Properties of Silicate Melts, Elsevier, Amsterdam, 1988, 354 pp.
29. Watson E.B., Harrison T.M. Zircon saturation revisited: temperature and composition effects in a variety of crustal magma types. Earth Planet. Sci. Lett. 64:1983;295-304.
30. Sweeney R.J., Thompson A.B., Ulmer P. Phase relations of a natural MARID composition and implications for MARID genesis, lithospheric melting and mantle metasomatism. Contrib. Mineral. Petrol. 115:1993;225-241.
31. Van der Laan S.R., Foley S.F. MARIDs and mantle metasomatism. Mineral. Mag. 58A:1994;505-506.
32. Konzett J., Sweeney R.J., Thompson A.B., Ulmer P. Potassium amphibole stability in the upper mantle: an experimental study in a peralkaline KNCMASH system to 8.5 GPa. J. Petrol. 38:1997;537-568.
33. Linthout K. Alkali-zirconosilicates in peralkaline rocks. Contrib. Mineral. Petrol. 86:1984;155-158.
34. Cherniak D.J., Hanchar J.M., Watson E.B. Diffusion of tetravalent cations in zircon. Contrib. Mineral. Petrol. 127:1997;383-390.
35. Hawkesworth C.J., Erlank A.J., Kempton P.D., Waters F.G. Mantle metasomatism: isotope and trace element trends in xenoliths from Kimberley, South Africa. Chem. Geol. 85:1990;19-34.
36. Kramers J.D., Roddick J.C.M., Dawson J.B. Trace element and isotope studies on veined, metasomatic and 'MARID' xenoliths from Bultfontein, South Africa. Earth Planet. Sci. Lett. 65:1983;90-106.
37. D.G. Pearson, N.W. Rogers, A.J. Irving, C.B. Smith, C.J. Hawkesworth, Source regions of kimberlites and lamproites: constraints from Re-Os isotopes, in: 6th Int. Kimberlite Conf., Ext. Abstr., 1995, pp. 430-432.
38. Waters F.G., Erlank A.J., Daniels L.R.M. Contact relationship between MARID rock and metasomatised peridotite in a kimberlite xenolith. Geochem. J. 23:1989;11-17.
39. A.J. Erlank (Ed.), Petrogenesis of the Volcanic Rocks of the Karoo Province, Geol. Soc. S. Afr., Spec. Publ. 13 (1984) 395 pp.
40. Sweeney R.J., Falloon T.J., Green D.H., Tatsumi Y. The mantle origins of Karoo picrites. Earth Planet. Sci. Lett. 107:1991;256-271.
41. Kinny P.D., Meyer H.O.A. Zircon from the mantle: A new way to date old diamonds. J. Geol. 102:1994;475-481.