Laser 40Ar/39Ar dating of phlogopites from southern African and Siberian kimberlites and their xenoliths: Constraints on eruption ages, melt degassing and mantle volatile compositions

Geologiya i Geofizika

Volumn , Issue 1, 1997, Pages 100-111

  Pearson, D G ^a   Kelley, S P ^a   Pokhilenko, N P ^a   Boyd, F R ^a  

^a NONE

Author keywords

Argon; Geochnonology; Isotopes; Kimberlites; Xenoliths

Indexed keywords

EID: 21744434699     PISSN: 00167886     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (40)

1. Skinner E. M. W., Smith C. B., Viljoen K. S., Clark T. C. The petrography, tectonic setting and emplacement ages of kimberlites in the southwestern border region of the Kaapvaal craton, Prieska area, South Africa // Proc. the 5th International Kimberlite Conference, Araxa, Brazil, 1994, p. 80-96.
2. Haggerty S. E. Superkimberlites: A geodynamic window to the Earth's core // Earth Planet. Sci. Lett., 1994, v. 122, p. 57-69.
3. Allsopp H. L., Bristow J. W., Smith C. B. et al. A summary of radiometric dating methods applicable to kimberlites and related rocks // Kimberlites and related rocks, v. 1 / Ross, N.L. (ed). Geol. Soc. Australia. Spec. Pub. 14, 1989, p. 343-357.
4. Allsopp H. L., Barret D. R. Rb-Sr determinations on South African kimberlite pipes // Phys. Chem. Earth, 1975, v. 9, p. 615-617.
5. Davis G. The ages and uranium contents of zircons from kimberlites and associated rocks // Extended abstracts 2nd International Kimberlite Conference, Carnegie Institution of Washington, 1977, p. 275-276.
6. Davis G. L., Sobolev N. V., Khar'kiv A. D. New data on the age of Yakutian kimberlites by the uranium-lead method on zircons // Doklady Akad Nauk SSSR, 1980, v. 254, p. 175-179.
7. Kinny P. D., Compston W., Bristow J. W., Williams I. S. Archaean mantle xenocrysts in a Permian kimberlite: Two generations of kimberlitic zircon in Jwaneng DK2, southern Botswana // Kimberlites and related rocks, v. 1 / Ross, N.L. (ed). Geol. Soc. Australia. Spec. Pub. 14, 1989, p. 833-844.
8. Giletti B. J. Studies in diffusion I, Argon in phlogopite mica // Geochemical transport and kinetics / eds. A.W. Hoffman et al., Carnegie Inst. of Wash. Publ., 634., 1974, p. 107-115.
9. 39Ar analyses of phlogopite nodules and phlogopite-bearing peridotites in South African kimberlites // Earth Planet. Sci. Lett., 1978, v. 40, p. 119-129.
10. Fitch F. J., Miller J. A. K-Ar age of the East Peripheral kimberlite at De Beers mine, R.S.A. // Geol. Mag., 1983, v. 120, p. 505-512.
11. 39Ar age determinations on phlogopite micas from the pre-Lebombo Group Dokolwayo kimberlite pipe // Geol. Soc.S. Africa Special Publication, 1985, v. 13, p. 267-271.
12. 39Ar spectra of phlogopites from southern African kimberlites // Geophys. Res. Lett., 1986, v. 13, p. 689-692.
13. Phillips D., Onstott T. C. Argon isotopic zoning in mantle phlogopite // Geology, 1988, v. 16, p. 542-546.
14. 39Ar laser probe dating of individual clinopyroxene inclusions in Premier eclogilic diamonds // Earth Planet. Sci. Lett., 1989, v. 94, p. 22-28.
15. 39Ar laser-probe dating of diamond inclusions from the Premier kimberlite // Nature, 1989, v. 340, p. 460-462.
16. Phillips D. Argon isotope and halogen chemistry of phlogopite from South African kimberlites: a combined step-heating, laser probe, electron microprobe and TEM study // Chem. Geol., 1991, v. 87, p. 71-98.
17. 39Ar vacuum heating // Geochim. Cosmochim. Acta, 1988, v. 52, p. 2457-2465.
18. Brakjfogel F. F., Koval'skiy V. V. Age of the kimberlite bodies of the Siberian Platform // International Geology Review, 1979, v. 21, p. 307-313.
19. Bristow J. W., Brakjfogel F., Smith C. B. et al. A review of the geochronology of Siberian kimberlites and related rocks // Unpublished abstract, 5th Int. Kimberlite Conf. Araxa, Brazil, 1991.
20. Kinny P. D., Griffin B. J., Brakhfogel F. F. SHRIMP U/Pb ages of perovskite and zircon from Yakutian kimberlites // Extended Abstracts, 6th Intentional kimberlite Conference, Novosibirsk, 1995, p. 275-276.
21. Mitchell R. H. Kimberlites: Mineralogy, geochemistry and petrology. New York, Plenum, 1986, 442 p.
22. Delaney J. S., Smith J. V., Carswell A., Dawson J. B. Chemistry of micas from kimberlites and xenoliths. II Primary and secondary textured micas from peridotite xenoliths // Geochim. Cosmochim. Acta, 1980, v. 44, p. 857-872.
23. Sobolev N. V. Deep-seated inclusions in kimberlites and the problem of the composition of the upper mantle. Washington, American geophysical Union, 1977, 279 p.
24. Earlank A. J., Waters F. G., Hawkesworth C. J. et al. Evidence for mantle metasomatism in peridotite nodules from the Kimberley pipes, South Africa // Mantle Metasomatism (eds. Menzies M. A., Hawkesworth C. J.) Academic Press, 1987, p. 221-311.
25. Hawkesworth C. J., Gallagher K., Kelley S. et al. Parana magmatism and the opening of the South Atlantic // Magmatism and the causes of continental breakup (eds. B. C. Storey et al.). Geol. Soc. Lond. Spec. Publ., 1992, v. 68, p. 221-240.
26. 39Ar age for the initiation of Palaeogene volcanism in the Inner Hebrides and its regional significance // J. Geol. Soc. Lond., in press.
27. Paul D. K., Rex D. C., Harris P. G. Chemical characteristics and K-Ar ages of Indian kimberlites // Geol. Soc. Amer. Bull., v. 86, p. 364-366.
28. Macintyre R. M., Dawson J. B. Age and significance of some South African kimberlites (abs.) // 4th Eur. Colloq. Geochron. Cosmochron. Isot. Geol., Amsterdam, 1976, p. 66.
29. Smith C. B., Allsopp H. L., Kramers J. D. et al. Emplacement ages of Jurassic-Cretaceous South African kimberlites by the Rb-Sr method on phlogopites and whole-rock samples // Trans. Geol. Soc. S. Afr., 1985, v. 88, p. 249-266.
30. Kramers J. D., Smith C. B. A feasibility study of U-Pb and Pb-Pb dating of kimberlites using groundmass mineral fractions and whole rock samples // Isotope Geosci., 1983, v. 1, p. 23-28.
31. Heaman L. M. The nature of the subcontinental mantle from Sr-Nd-Pb isotopic studies on kimberlitic perovskites // Earth Planet. Sci. Lett., 1989, v. 92, p. 323-334.
32. 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., 1994, v. 113, p. 149-169.
33. Boyd F. R., Pokhilenko N. P., Pearson D. G. et al. Composition of the Siberian cratonic mantle: evidence from Udachnaya xenoliths // Contr. Miner. Petrol., submitted.
34. Spera F. J. Carbon dioxide in petrogenesis III: role of volatiles in the ascent of alkaline magma with special reference to xenolith-bearing mafic lavas // Contr. Miner. Petrol., 1984, v. 88, p. 217-232.
35. Pearson D. G., Snyder G. A., Shirey S. B. et al. Archaean Re-Os age for Siberian eclogites and constraints on Archaean tectonics // Nature, 1995, v. 374, p. 711-713.
36. Pearson D. G., Shirey S. B., Carlson R. W. et al. Re-Os, Sm-Nd and Rb-Sr isotope evidence for thick Archaean lithospheric mantle beneath the Siberia craton modified by multi-stage metasomatism // Geochim. Cosmochim. Acta, 1995, v. 59, p. 959-977.
37. Foland K. Limited mobility of Ar in a metamorphic terrain // Geochim. Cosmochim. Acta, 1979, v. 43, p. 793-801.
38. 40Ar in pristine mantle fluids // Nature, 1989, v. 337, p. 226-229.
39. Turner G., Burgess R., Bannon M. Volatile-rich mantle fluids inferred from inclusions in diamond and mantle xenoliths // Nature, 1990, v. 344, p. 653-655.
40. 39Ar laser probe studies of clinopyroxene inclusions in eclogitic diamonds // Geochim. Cosmochim. Acta, 1992, v. 56, p. 389-402.