40Ar/39Ar-ages of phlogopite in mantle xenoliths from South African kimberlites: Evidence for metasomatic mantle impregnation during the Kibaran orogenic cycle

Lithos

Volumn 106, Issue 3-4, 2008, Pages 351-364

  Hopp, Jens ^a   Trieloff, M ^a   Brey, G P ^b   Woodland, A B ^b   Simon, N S C ^c,d   Wijbrans, J R ^d   Siebel, W ^e   Reitter, E ^e  

^a UNIVERSITY OF HEIDELBERG   (Germany)

^b GOETHE UNIVERSITY   (Germany)

^c UNIVERSITY OF OSLO   (Norway)

^d VU UNIVERSITY AMSTERDAM   (Netherlands)

^e UNIVERSITY OF TÜBINGEN   (Germany)

Author keywords

Ar Ar dating; Cratonic lithosphere; Metasomatism; Southern Africa

Indexed keywords

ARGON-ARGON DATING; CONTINENTAL MARGIN; EMPLACEMENT; HEATING; KIMBERLITE; LASER METHOD; METASOMATISM; OCEANIC CRUST; OROGENY; PHLOGOPITE; SUBDUCTION; XENOLITH;

AFRICA; LESOTHO; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 55749088205     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2008.09.001     Document Type: Article

References (67)

1. Allsopp H.L., and Barrett D.R. Rb-Sr age determinations on South African kimberlite pipes. Physics and Chemistry of the Earth 9 (1975) 605-617
2. 4He. Earth and Planetary Science Letters 216 (2003) 619-634
3. Becker M., and LeRoex A.P. Geochemistry of South African on- and off-craton, group I and group II kimberlites: petrogenesis and source region evolution. Journal of Petrology 47 (2006) 673-703
4. Brey G.P., and Köhler T. Geothermobarometry in four-phase lherzolites II. New thermobarometers, and practical assessment of existing thermobarometers. Journal of Petrology 31 (1990) 1353-1378
5. Carlson R.W., and Moore R.O. Age of the Eastern Kaapvaal mantle: Re-Os isotope data for peridotite xenoliths from the Monastery kimberlite. South African Journal of Geology 107 (2004) 81-90
6. Carroll-Webb S.A., and Wood B.J. Spinel-pyroxene-garnet relationships and their dependence on Cr/Al ratio. Contributions to Mineralogy and Petrology 92 (1986) 471-480
7. Dunai T., and Baur H. Helium, neon, and argon systematics of the European subcontinental mantle: implications for its geochemical evolution. Geochimica et Cosmochimica Acta 59 (1995) 2767-2783
8. 39Ar in irradiated orthoclase. Geochimica et Cosmochimica Acta 54 (1990) 3147-3158
9. Fraser K.J., Hawkesworth C.J., Erlank A.J., Mitchell R.H., and Scott-Smith B.H. Sr, Nd, and Pb isotope and minor element geochemistry of lamproites and kimberlites. Earth and Planetary Science Letters 76 (1985/86) 57-70
10. Frimmel H.E. Formation of a late Mesoproterozoic supercontinent: The South Africa East Antarctica connection. In: Eriksson P.G., Altermann W., Nelson D.R., Mueller W.U., and Catuneanu O. (Eds). The Precambrian Earth: Tempos and Events; Chapter 3 10 (2004), Elsevier, Amsterdam
11. 39Ar vacuum heating. Geochimica et Cosmochimica Acta 52 (1988) 2457-2465
12. Giletti B.J. Diffusion related to geochronology. In: Hofmann A.W., Giletti B.J., Yoder Jr. H.S., and Yund R.A. (Eds). Geochemical transport and kinetics, Publication 634 (1974), Carnegie Institution Washington 61-76
13. Gunther M., and Jagoutz E. The meaning of Sm/Nd apparent ages from kimberlite-derived coarse grained low temperature peridotites from Yakutia. Russian Journal of Geology and Geophysics 38 (1997) 229-239
14. Harley S.L. An experimental study of the partitioning of iron and magnesium between garnet and orthopyroxene. Contributions to Mineralogy and Petrology 86 (1984) 359-373
15. Heaman L.M. The nature of the subcontinental mantle from Sr-Nd-Pb isotopic studies on kimberlitic perovskite. Earth and Planetary Science Letters 92 (1989) 323-334
16. Hopp J., and Trieloff M. Refining the noble gas record of the Réunion mantle plume source: implications on mantle geochemistry. Earth and Planetary Science Letters 240 (2005) 573-588
17. Hopp J., and Trieloff M. Noble gases in kimberlitic mantle xenoliths from southern Africa. Geochimica et Cosmochimica Acta 72 12 (2008) A389 Supplement 1
18. Hopp J., Trieloff M., Buiklin A.I., Korochantseva E.V., Schwarz W.H., Althaus T., and Altherr R. Heterogeneous mantle argon isotope composition in the subcontinental lithospheric mantle beneath the Red Sea region. Chemical Geology 240 (2007) 36-53
19. Irvine G.J., Pearson D.G., and Carlson R.W. Lithospheric mantle evolution of the Kaapvaal Craton: a Re-Os isotope study of peridotite xenoliths from Lesotho kimberlites. Geophysical Research Letters 28 (2001) 2505-2508
20. 39Ar dating of mantle metasomatism: A noble approach or all hot air?. 8th International Kimberlite Conference Long Abstract (2003)
21. 39Ar analyses of phlogopite nodules and phlogopite-bearing peridotites in South African kimberlites. Earth and Planetary Science Letters 40 (1978) 119-129
22. Kelley S.P. Excess argon in K-Ar and Ar-Ar geochronology. Chemical Geology 188 (2002) 1-22
23. Kelley S.P., and Wartho J.-A. Rapid kimberlite ascent and the significance of Ar-Ar ages in xenolith phlogopites. Science 289 (2000) 609-611
24. Kempton P.D., Downes H., Neymark L.A., Wartho J.-A., Zartman R.E., and Sharkov E.V. Garnet granulite xenoliths from the northern Baltic Shield-the underplated lower crust of a Palaeoproterozoic Large Igneous Province?. Journal of Petrology 42 (2001) 731-763
25. Konzett J., Armstrong R.A., Sweeney R.J., and Compston W. The timing of MARID metasomatism in the Kaapvaal mantle: an ion probe study of zircons from MARID xenoliths. Earth and Planetary Science Letters 160 (1998) 133-145
26. Kramers J.D., Roddick J.C.M., and Dawson J.B. Trace element and isotope studies on veined, metasomatic and "MARID" xenoliths from Bultfontein, South Africa. Earth and Planetary Science Letters 65 (1983) 90-106
27. Li J., Kornprobst J., Vielzeuf D., and Fabriès J. An improved experimental calibration of the olivine-spinel geothermometer. Chinese Journal of Geochemistry 14 (1995) 68-77
28. Lo C.-H., Lee J.K.W., and Onstott T.C. Argon release mechanism of biotite in vacuo and the role of short-circuit diffusion and recoil. Chemical Geology 165 (2000) 135-166
29. Marsh J.S., Hooper P.R., Rehacek J., Duncan R.A., and Duncan A.R. Stratigraphy and age of Karroo basalts of Lesotho and implications for correlations within the Karroo Igneous Province. In: Mahoney J.J., and Coffin M.F. (Eds). Large Igneous Provinces: Continental, Oceanic, and Planetary Flood Volcanism. Geophysical Monograph vol. 100 (1997) 247-272
30. Pearson D.G. The age of continental roots. Lithos 48 (1999) 171-194
31. Pearson D.G., Carlson R.W., Shirey S.B., Boyd F.R., and Nixon P.H. Stabilisation of Archean lithospheric mantle: a Re-Os isotope study of peridotite xenoliths from the Kaapvaal craton. Earth and Planetary Science Letters 134 (1995) 341-357
32. 39Ar dating of phlogopites from southern African and Siberian kimberlites and their xenoliths: constraints on eruption ages, melt degassing and mantle volatile compositions. Russian Journal of Geology and Geophysics 38 1 (1997) 106-117
33. Pearson D.G., Canil D., and Shirey S.B. Mantle samples included in volcanic rocks: xenoliths and diamonds. In: Carlson R.W. (Ed). The mantle and core. Treatise on geochemistry (2003), Elsevier, Amsterdam 171-275
34. 39Ar spectra of phlogopites from southern African kimberlites. Geophysical Research Letters 13 (1986) 689-692
35. Phillips D., and Onstott T.C. Argon isotopic zoning in mantle phlogopites. Geology 16 (1988) 542-546
36. Reiners P.W., and Brandon M.T. Using thermochronology to understand orogenic erosion. Annual Reviews of Earth and Planetary Science 34 (2006) 219-266
37. Richardson S.H., Guerney J.J., Erlank A.J., and Harris J.W. The origin of diamonds in old enriched mantle. Nature 310 (1984) 198-202
38. Richardson S.H., Erlank A.J., and Hart S.R. Kimberlite-borne garnet peridotite xenoliths from old enriched subcontinental lithosphere. Earth and Planetary Science Letters 75 (1985) 116-128
39. Richardson S.H., Shirey S.B., Harris J.W., and Carlson R.W. Archaen subduction recorded by Re-Os isotopes in eclogitic sulfide inclusions in Kimberley diamonds. Earth and Planetary Science Letters 191 (2001) 257-266
40. 39Ar analysis. Earth and Planetary Science Letters 48 (1980) 185-208
41. Schmitz M.D., and Bowring S.A. The significance of U-Pb zircon dates in lower crustal xenoliths from the southwestern margin of the Kaapvaal craton, southern Africa. Chemical Geology 172 (2001) 59-76
42. Schmitz M.D., and Bowring S.A. Constraints on the thermal evolution of continental lithosphere from U-Pb accessory mineral thermochronometry of lower crustal xenoliths, southern Africa. Contributions to Mineralogy and Petrology 144 (2003) 592-618
43. Schmitz M.D., and Bowring S.A. Lower crustal granulite formation during Mesoproterozoic Namaqua-Natal collisional orogenesis, southern Africa. South African Journal of Geology 107 (2004) 261-284
44. 39Ar age standards NL-25, HB3gr hornblende, GA1550, SB-3, HD-B1 biotite and BMus/2 muscovite. Chemical Geology 242 (2007) 218-231
45. 39Ar geochronology in a high-pressure terrain. Geochimica et Cosmochimica Acta 63 (1999) 2835-2838
46. Sherlock S.C., and Kelley S.P. Excess argon evolution in HP-LT rocks: a UVLAMP study of phengite and K-free minerals, NW Turkey. Chemical Geology 182 (2002) 619-636
47. Shirey S.B., Carlson R.W., Richardson S.H., Menzies A., Gurney J.J., Pearson D.G., Harris J.W., and Wiechert U. Archean emplacement of eclogitic components into the lithospheric mantle during formation of the Kaapvaal Craton. Geophysical Research Letters 28 (2001) 2509-2512
48. Shirey S.B., Richardson S.H., and Harris J.W. Age, paragenesis and composition of diamonds and evolution of the Precambrian mantle lithosphere of southern Africa. South African Journal of Geology 107 (2004) 91-106
49. Simon, N.S.C., 2004. The formation and modification of lithospheric roots - a petrological and geochemical study of xenoliths from the Kaapvaal craton. PhD thesis, Vrije Universiteit Amsterdam, 251 pp.
50. Simon N.S.C., Irvine G.J., Davies G.R., Pearson D.G., and Carlson R.W. The origin of garnet and clinopyroxene in 'depleted' Kaapvaal peridotites. Lithos 71 (2003) 289-322
51. Simon N.S.C., Carlson R.W., Pearson D.G., and Davies G.R. The origin and evolution of the Kaapvaal cratonic lithospheric mantle. Journal of Petrology 48 (2007) 589-625
52. 39Ar step-heating spectra. Geochimica et Cosmochimica Acta 62 (1998) 123-141
53. Smith C.B. Pb, Sr and Nd isotopic evidence for sources of southern African Cretaceous kimberlites. Nature 304 (1983) 51-54
54. Smith C.B., Allsopp H.L., Garive O.G., Kramers J.D., Jackson P.F.S., and Clement C.R. Note on the U-Pb perovskite method for dating kimberlites: Examples from the Wesselton and DeBeers mines, South Africa, and Somerset Island, Canada. Chemical Geology 79 (1989) 137-145
55. Smith C.B., Clark T.C., Barton E.S., and Bristow J.W. Emplacement ages of kimberlite occurrences in the Prieska region, southwest border of the Kaapvaal Craton, South Africa. Chemical Geology 113 (1994) 149-169
56. Staudacher Th., Jessberger E.K., Dörflinger D., and Kiko J. A refined ultrahigh-vacuum furnace for rare gas analysis. Journal of Physics E: Scientific Instruments 11 (1978) 781-784
57. Thomas R.J., von Veh M.W., and McCourt S. The tectonic evolution of southern Africa: an overview. Journal of African Earth Sciences 16 (1993) 5-24
58. 39Ar thermochronology of pseudotachylite at the Ventersdorp Contact Reef, Witwatersrand basin. South African Journal of Geology 97 (1994) 365-384
59. Trieloff M., Weber H.W., Kurat G., Jessberger E.K., and Janicke J. Noble gases, their carrier phases, and argon chronology of upper mantle rocks from Zabargad Island, Red Sea. Geochimica et Cosmochimica Acta 61 (1997) 5065-5088
60. Trieloff M., Deutsch A., and Jessberger E.K. The age of the Kara impact structure. Russia. Meteoritic and Planetary Science 33 (1998) 361-372
61. Trieloff M., Falter M., and Jessberger E.K. The distribution of mantle and atmospheric argon in oceanic basalt glasses. Geochimica et Cosmochimica Acta 67 (2003) 1229-1245
62. Trieloff M., Falter M., Buikin A.I., Korochantseva E.V., Jessberger E.K., and Altherr R. Argon isotope fractionation induced by stepwise heating. Geochimica et Cosmochimica Acta 69 (2005) 1253-1264
63. Trønnes R.G. Stability range and decomposition of potassic richterite and phlogopite end members at 5-15 GPa. Mineralogy and Petrology 74 (2002) 129-148
64. Walker R.J., Carlson R.W., Shirey S.B., and Boyd F.R. Os, Sr, Nd, and Pb isotope systematics of southern African peridotite xenoliths: Implications for the chemical evolution of subcontinental mantle. Geochimica et Cosmochimica Acta 53 (1989) 1583-1595
65. 39Ar ages in mantle xenolith phlogopites: determining the ages of multiple lithospheric mantle events and diatreme ascent rates in southern Africa and Malaita, Solomon Islands. In: Vance D., Müller W., and Villa I. (Eds). Geochronology: Linking the Isotope Record with Petrology and Textures. Geologic Society vol. 220 (2003), Special Publication, London 231-248
66. 39Ar dating of white micas from an Alpine high-pressure metamorphic belt on Naxos (Greece): the resetting of the argon isotopic system. Contributions to Mineralogy and Petrology, 93 (1986) 187-194
67. Woodland A.B., and Koch M. Variation in oxygen fugacity with depth in the upper mantle beneath the Kaapvaal craton, southern Africa. Earth and Planetary Science Letters 214 (2003) 295-310