Archaean ultra-depleted komatiites formed by hydrous melting of cratonic mantle

Nature

Volumn 423, Issue 6942, 2003, Pages 858-861

  Wilson, A H ^a   Shlrey, S B ^b   Carlson, R W ^b  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

^b GEOPHYSICAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HYDRATION; MAGNESIA; MELTING; SILICA; TITANIUM OXIDES;

LAVA FLOWS;

VOLCANIC ROCKS;

ALUMINUM OXIDE; MAGNESIUM OXIDE; NEODYMIUM; RHENIUM; SAMARIUM; TITANIUM DIOXIDE;

ARCHEAN; KOMATIITE; LAVA FLOW; MANTLE; PARTIAL MELTING;

ARTICLE; CHEMICAL COMPOSITION; GEOLOGICAL TIME; HYDRATION; MELTING POINT; PRIORITY JOURNAL; ROCK; VOLCANO; WATER FLOW;

SOUTH AFRICA;

ARCHAEA;

EID: 0038818065     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/nature01701     Document Type: Article

References (28)

1. Kerr, A. C. & Arndt, N. T. A note on the IUGS reclassification of the high-Mg and picritic volcanic rocks. J. Petrol. 42, 2169-2171 (2001).
2. Révillon, S., Arndt, N. T., Chauvel, C. & Hallot, E. Geochemical study of ultramafic volcanic and plutonic rocks from Gorgona Island, Colombia: plumbing system of an oceanic plateau. J. Petrol. 41, 1127-1153 (2000).
3. Sun, S.-S. & Nesbitt, R. W. Petrogenesis of Archean ultrabasic and basic volcanics: evidence from the rare earth elements. Contrib. Mineral. Petrol. 65, 301-325 (1978).
4. Campbell, I. H., Griffiths, R. W. & Hill, R. I. Melting in an Archaean mantle plume: heads it's basalts, tails it's komatiites. Nature 339, 697-699 (1989).
5. Parman, S. W., Dann, J. C., Grove, T. L. & de Wit, M. J. Emplacement conditions of komatiite magmas from the 3.49 Ga Komati Formation, Barberton greenstone belt, South Africa. Earth Planet. Sci. Lett. 150, 303-323 (1997).
6. Wilson, A. H. & Carlson, R. W. A Sm-Nd and Pb-Pb isotopic study of Archaean greenstone belts in the southern Kaapvaal Craton, South Africa. Earth Planet. Sci. Lett. 96, 89-105 (1989).
7. Meisel, T., Walker, R. J. & Morgan, J. W. The osmium isotopic composition of the Earth's primitive upper mantle. Nature 383, 517-520 (1998).
8. Morgan, J. W. Osmium isotopic constraints on Earth's late accretionary history. Nature 317, 703-705 (1985).
9. Morgan, J. W. Ultramafic xenoliths: Clues to the Earth's late accretionary history. J. Geophys. Res. 91, 12375-12387 (1986).
10. Shirey, S. B. & Walker, R. J. The Re-Os isotopic system in cosmochemistry and igneous geochemistry. Annu. Rev. Earth Planet. Sci. 26, 425-500 (1998).
11. Crawford, A. J., Falloon, T. J. & Green, D. H. in Boninites and Related Rocks (ed. Crawford, A. J.) 2-44 (Unwin and Hyman, London, 1989).
12. Herzberg, C. & O'Hara, M. J. Plume-associated ultramafic magmas of Phererozoic age. J. Petrol. 43, 1857-1883 (2002).
13. Walter, M. J. Melting of garnet peridotite and the origin of komatiite and depleted lithosphere. J. Petrol. 39, 29-60 (1998).
14. Campbell, I. H. & Griffiths, R. W. Implications of mantle plume structure for the evolution of flood basalts. Earth Planet. Sci. Lett. 99, 79-93 (1990).
15. 2O saturated mantle peridotite to 11 gigapascals. Science 276, 240-243 (1997).
16. Kushiro, I. Effect of water on the composition of magmas formed at high pressures. J. Petrol. 13, 311-334 (1972).
17. de Wit, M. J. On Archean granites, greenstones, cratons and tectonics: does the evidence demand a verdict? Precambr. Res. 91, 181-226 (1998).
18. Zegers, T. E., White, S. H., de Keijzer, M. & Dirks, P. Extensional structures during the deposition of the 3460 Ma Warrawoona Group in the eastern Pilbara Craton, Western Australia. Precambr. Res. 80, 89-105 (1996).
19. Schmidt, M. W. & Poli, S. Experimentally based water budgets for dehydrating slabs and consequences for are magma generation. Earth Planet. Sci. Lett. 163, 361-379 (1998).
20. Smith, H. S. & Erlank, A. J. in Komatiites (eds Arndt, N. T. & Nisbet, E. G.) 347-398 (George Allen and Unwin, London, 1982).
21. Fan, J. & Kerrich, R. Geochemical characteristics of Al-depleted and Al-undepleted komatiites and HREE-enriched low-Ti tholeiites, western Abitibi greenstone belt: A heterogeneous mantle plume-convergent margin environment. Geochim. Cosmochim. Acta 61, 4723-4744 (1997).
22. Xie, Q. & Kerrich, R. Silicate-perovskite and marjorite signature komatiites from the Archean Abitibi Greenstone Belt: implications for early mantle differentiation and stratification. J. Geophys. Res. 99, 15799-15812 (1994).
23. Carlson, R. W. et al. in The J.B. Dawson Volume - Proc. 7th Int. Kimberlite Conf (eds Gurney, J. J., J. J., Gurney, J. L., Pascoe, M. D. & Richardson, S. H.) 99-108 (Red Roof Design, Cape Town, 1999).
24. Irvine, G., Pearson, D. G. & Carlson, R. W. Lithospheric mantle evolution of the Kaapvaal Craton: a Re-Os isotopic study of peridotite xenoliths from Lesotho kimberlites. Geophys. Res. Lett. 28, 2505-2508 (2001).
25. 188Os isotopic compositions of Archean ultramafic rocks from southern West Greenland (3.8 Ga) and Western Australia (3.46 Ga). Geochim. Cosmochim. Acta 66, 2615-2630 (2002).
26. Nagler, T. E, Kramers, J. D., Kamber, B. S., Frei, R. & Prendergast, M. D. Growth of subcontinental lithospheric mantle beneath Zimbabwes started at or before 3.8 Ga: Re-Os study on chromites. Geology 25, 983-986 (1997).
27. Kinzler, R. J. & Grove, T. L. Crystallization and differentiation of Archean komatiite lavas from northeast Ontario: phase equilibrium and kinetic studies. Am. Mineral. 70, 40-51 (1985).
28. Taylor, R. N. et al. Mineralogy, chemistry, and genesis of the boninite series volcanics, Chichijima, Bonin Islands, Japan. J. Petrol. 35, 577-617 (1994).