A new class of silica enriched, highly depleted komatiites in the southern Kaapvaal Craton, South Africa

Precambrian Research

Volumn 127, Issue 1-3, 2003, Pages 125-141

  Wilson, A H ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

Archaean subduction; Commondale Ultramafic Suite; Extreme depletion; Kaapvaal Craton; Komatiites

Indexed keywords

MAGNESIUM; SILICON DIOXIDE;

ARCHEAN; KOMATIITE; PETROGENESIS; PETROLOGY; ULTRAMAFIC ROCK;

ARCHAEAN; ASTHENOSPHERIC UPWELLING; CHEMICAL COMPOSITION; CONFERENCE PAPER; COOLING; CRYSTAL; GEOCHEMISTRY; MELTING POINT; PLUME; ROCK; SOUTH AFRICA;

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

EID: 0347447435     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-9268(03)00184-0     Document Type: Conference Paper

References (76)

1. Allègre, C.J., 1982. Genesis of Archaean komatiites in a wet subducted plate. In: Arndt, N.T., Nisbet, E.G. (Eds.), Komatiites. Allen and Unwin, London, pp. 495-500.
2. Arndt, N.T., 1986. Differentiation of komatiite flows. J. Petrol. 27, 279-301.
3. Arndt, N.T., Jenner, G.A., 1986. Crustally contaminated komatiites and basalts from Kambalda, Western Australia. Chem. Geol. 56, 229-255.
4. Arndt, N.T., Nisbet, E.G., 1982. Komatiites. Allen and Unwin, London.
5. Arndt, N., et al., 1998. Were komatiites wet? Geology 26, 739-742.
6. Arndt, N.T., Kerr, A.C., Tarney, J., 1997. Dynamic melting in plume heads: the formation of Gorgona komatiites and basalts. Earth Planet. Sci. Lett. 146, 289-301.
7. Arndt, N.T., Naldrett, A.J., Pyke, D.R., 1977. Komatiitic and iron-rich tholeiitic lavas of Munro Township, northeastern Ontario. J. Petrol. 18, 319-369.
8. Asahara, Y., Ohtani, E., Suzuki, A., 1998. Melting relations of hydrous and dry mantle compositions and the genesis of komatiites. Geophys. Res. Lett. 25, 2201-2204.
9. Baker, P.E., Gass, I.G., Harris, P.G., Le Maitre, R.W., 1964. The volcanological report of the Royal Society Expedition to Tristan da Cunha. Philos. Trans. Royal Soc., Lond. A256, 439-578.
10. Benn, K., Sawyer, E.W., Bouchez, J.-L., 1992. Orogen parallel and transverse shearing in the Opatica belt, Quebec: implications for the structure of the Abitibi Subprovince. Can. J. Earth Sci. 29, 2429-2444.
11. Bickle, M.J., 1986. Implications of melting for stabilization of the lithosphere and heat loss in the Archaean. Earth Planet. Sci. Lett. 80, 314-324.
12. Bloomer, S., Hawkins, J., 1987. Petrology and geochemistry of boninite series volcanic rocks from the Mariana trench. Contrib. Mineral. Petrol. 97, 277-361.
13. Boehler, R., Chopelas, A., Zerr, A., 1995. Temperature and chemistry of the core-mantle boundary. Chem. Geol. 120, 199-205.
14. Boily, M., Dion, C., 2002. Geochemistry of boninite-type volcanic rocks in the Frotet-Evans Greenstone Belt, Opatica subprovince, Quebec: implications for the evolution of Archaean Greenstone Belts. Precambrian Res. 115, 349-371.
15. Boyd, F.R., 1989. Compositional distinction between oceanic and cratonic lithosphere. Earth Planet. Sci. Lett. 96, 15-26.
16. Brooks, C., Hart, S.R., 1974. On the significance of komatiite. Geology 2, 121-138.
17. Calvert, A.J., Sawyer, E.W., Davis, W.J., Ludden, J.N., 1995. Archaean subduction inferred from seismic images of a mantle suture in the Superior Province. Nature 375, 670-674.
18. Campbell, I.H., Griffiths, R.W., 1990. Implications of mantle plume structure for the evolution of flood basalts. Earth Planet. Sci. Lett. 99, 79-93.
19. Campbell, I.H., Griffiths, R.W., Hill, R.I., 1989. Melting in an Archaean mantle plume: heads it's basalts tails it's komatiites. Nature 339, 697-699.
20. Card, K.D., 1990. A review of the Superior Province of the Canadian Shield, a product of Archean accretion. Precambrian Res. 48, 99-156.
21. Condie, K.C., 1981. Archean Greenstone Belts. Elsevier, Amsterdam, p. 434.
22. Crawford, A.J., Falloon, T.J., Green, D.H., 1989. Classification, petrogenesis and tectonic setting of boninites. In: Crawford, A.J. (Ed.), Boninites and Related Rocks. Unwin and Hyman, London, pp. 2-44.
23. de Wit, M.J., 1998. On Archean granites, greenstones, cratons and tectonics: does the evidence demand a verdict? Precambrian Res. 91, 181-226.
24. de Wit, M.J., et al., 1992. Formation of an Archaean continent. Nature 357, 553-562.
25. Donaldson, C.H., 1982. Spinifex-textured komatiites: a review of textures, compositions and layering. In: Arndt, N.T., Nisbet, E.G. (Eds.), Komatiites. Allen and Unwin, London, pp. 213-244.
26. Dulski, P., 2001. Reference materials for geochemical studies: new analytical data by ICP-MS and critical discussion of reference values. Geostandards Newslett. 25, 87-125.
27. Falloon, T.J., Green, D.H., McCulloch, M.T., 1989. Petrogenesis of high-Mg and associated lavas from the north Tonga trench. In: Crawford, A.J. (Ed.), Boninites and Related Rocks. Unwin and Hyman, London, pp. 357-395.
28. Fan, J., Kerrich, R., 1997. 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.
29. Faure, F., Amdt, N., Libourel, G., 2002. Crystallisation of plate spinifex texture at 1 atm pressure in a thermal gradient. Geochim. Cosmochim. Acta 66. Abstracts of the 12th Annual V.M. Goldschmidt Conference.
30. Fowler, A.D., Berger, B., Shorte, M., Jones, M.I., Ropchan, J., 2002. Supercooled rocks: development and significance of varioles, spherulites, dendrites and spinifex in Archaean volcanic rocks, Abitibi Greenstone Belt, Canada. Precambrian Res. 115, 311-328.
31. Govindaraju, K., 1994. Compilation of working values and sample description for 383 Geostandards. Geostandards Newslett. (Spec. Issue) 18, 1-158.
32. 2O-rich fluid component in the generation of primitive basaltic andesites and andesites from the Mt. Shasta region, N. California. Contribut. Mineral. Petrol. 142, 375-396.
33. Grove, T., Parman, S.W., Dann, J.C., 1999. Conditions of magma generation for Archean komatiites from the Barberton Mountainland, South Africa. In: Fei, Y., Bertka, C.M., Mysen, B. (Eds.), Mantle Petrology: Field Observations and High Pressure Experimentation. The Geochemical Society, Houston, pp. 155-167.
34. 2O on the development of spinifex textures. Geochim. Cosmochim. Acta 66. Abstracts of the 12th Annual V.M. Goldschmidt Conference, A294.
35. Hamilton, W.B., 1998. Archean magmatism and deformation were not products of plate tectonics. Precambrian Res. 91, 143-179.
36. Harris, C., 1983. The petrology of lavas and associated plutonic inclusions of Ascension Island. J. Petrol. 24, 424-470.
37. Hawksworth, C.J., Gallagher, K., Hergt, J.M., McDermott, F., 1993a. Mantle and slab contributions in arc magmas. Ann. Rev. Earth Planet. Sci. 21, 175-204.
38. Hawksworth, C.J., Gallagher, K., Hergt, J.M., McDermott, F., 1993b. Trace element fractionation in the generation of island arc basalts. Philos. Trans. Royal Soc. Lond. A 342, 179-191.
39. Herzberg, C., 1995. Generation of plume magmas through time: an experimental perspective. Chem. Geol. 126, 1-16.
40. Herzberg, C.T., O'Hara, M.J., 1998. Phase equilibrium constraints of the origin of basalts, picrites and komatiites. Earth Sci. Rev. 44, 39-79.
41. Hickey, R.L., Frey, F.A., 1982. Geochemical characteristics of boninite series volcanics: implications for their source. Geochim. Cosmochim. Acta 46, 2099-2115.
42. Hill, R.E.T., Barnes, S.J., Dowling, S.E., Perring, C.S., Thordarson, T., 2002. Emplacement of komatiite flow fields: an inflationary model based on field evidence and modern mafic analogues. Geochim. Cosmochim. Acta 66. Abstracts of the 12th Annual V.M. Goldschmidt Conference, p. A328.
43. Hill, R.E.T., Barnes, S.J., Gole, M.J., Dowling, S.E., 1995. The volcanology of komatiites as deduced from field relationships in the Norman-Wiluna Greenstone Belt, Western Australia. Lithos 34, 159-188.
44. Hunter, D.R., Wilson, A.H., 1988. A continuous record of Archaean evolution from 3.5 to 2.6 Ga in Swaziland and northern Natal. S. African J. Geol. 91, 57-74.
45. Jahn, B.-M., Gruau, G., Glikson, A.Y., 1982. Komatiites of the Onverwacht group South Africa: REE geochemistry Sm/Nd age and mantle evolution. Contrib. Mineral. Petrol. 80, 25-40,
46. Kerr, A.C., Arndt, N.T., 2001. A note on the IUGS reclassification of the high-Mg and picritic volcanic rocks. J. Petrol. 42, 2169-2171.
47. Kerrich, R., Wyman, D., Fan, J., Bleeker, W., 1998. Boninite series: low Ti-tholeiite associations from the 2.7 Ga Abitibi Greenstone Belt. Earth Planet. Sci. Lett. 164, 303-316.
48. Kusky, T.M., Li, J.-H., Tucker, R.D., 2001. The Archean Dongwanzi ophiolite complex, North China Craton: 2.505-billion-year-old oceanic crust and mantle. Science 292, 1139-1142.
49. Lesher, C.M., et al., 2002. Geochemical, mineralogical, textural and fluid dynamic constraints on endogenous growth in differentiated komatiite flows. Geochim. Cosmochim. Acta 66, 449.
50. Mahoney, J.J., 1987. An isotopic survey of Pacific oceanic plateaus: implications for their nature and origin. Am. Geophys. Union Monograph 43, 207-220.
51. Neal, C.R., Mahoney, J.J., Kroenke, L.W., Duncan, R.A., Petterson, M.G., 1997. The Ontong Java plateau. Am. Geophys. Union Monograph 100, 183-216.
52. Nesbitt, R.W., 1971. Skeletal crystal forms in the ultramafic rocks of the Yilgam Block, Western Australia: evidence for an Archaean ultramafic liquid. Geol. Soc. Australia (Spec. Publ.) 3, 331-348.
53. Norrish, K., Chappel, B.W., 1977. X-ray fluorescence spectrography. In: Zussman, J. (Ed.), Physical Methods in Determinative Mineralogy. Academic Press, London.
54. Norrish, K., Hutton, J.T., 1969. An accurate X-ray spectrographic method for the analysis of geologic samples. Geochim. Cosmochim. Acta 33, 431-454.
55. Parman, S.W., Dann, J.C., Grove, T.L., de Wit, M.J., 1997. Emplacement conditions of komatiite magmas from the 3.49 Ga Komati Formation, Barberton Greenstone Belt, South Africa. Earth Planet. Sci. Lett. 150, 303-323.
56. Parman, S.W., Grove, T.L., Dann, J.C., 2001. The production of Barberton komatiites in an Archean subduction zone. Geophys. Res. Lett. 28, 2513-2516.
57. Pearson, D.G., Carlson, R.W., Shirey, S.B., Boyd, F.R., Nixon, P.H., 1995. Stabilization of Archaean lithospheric mantle: a Re-Os isotope study of peridotite xenoliths from the Kaapvaal Craton. Earth Planet. Sci. Lett. 134, 341-357.
58. Polat, A., Hofmann, A.W., Rosing, M.T., 2002. Boninite-like volcanic rocks in the 3.7-3.8 Ga Isua Greenstone Belt, West Greenland: geochemical evidence for intra-oceanic subduction zone processes in the early Earth. Chem. Geol. 184, 231-254.
59. Poulsen, K.H., Card, K.D., Franklin, J.M., 1992. Archean tectonic and metallogenic evolution of the Superior Province of the Canadian Shield. Precambrian Res. 58, 25-54.
60. Project, B.V.S., 1981. Basaltic Volcanism on the Terrestrial Planets. Pergamon Press, New York, p. 1286.
61. Révillon, S., Arndt, N.T., Chauvel, C., Hallot, E., 2000. Geochemical study of ultramafic volcanic and plutonic rocks from Gorgona Island, Colombia: plumbing system of an oceanic plateau. J. Petrol. 41, 1127-1153.
62. Smith, R.G., 1987. Geochemistry and structure of the Archaean granitoid-supracrustal terrane, southeastern Transvaal and northern Natal. Unpublished Ph.D. Thesis, p. 305.
63. Smith, H.S., Erlank, A.J., 1982. Geochemistry and petrogenesis of komatiites from the Barberton Greenstone Belt, South Africa. In: Arndt, N.T., Nisbet, E.G. (Eds.), Komatiites. Allen and Unwin, London, pp. 347-398.
64. Smithies, R.H., 2002. Archaean boninite-like rocks in an intracratonic setting. Earth Planet. Sci. Lett. 197, 19-34.
65. Sparks, S.J., 1992. Magma generation in the Earth. In: Brown, G., Hawksworth, C., Wilson, C. (Eds.), Understanding the Earth. Cambridge University Press, Cambridge, pp. 91-114.
66. Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., 2001. Spatial and temporal variations in geochemistry of komatiitic rocks in the Abitibi Greenstone Belt. In: Cassidy, K.F., Dunphy, J.M., van Kranondonk, M.J. (Eds.), Extended Abstracts of the 4th International Archaean Symposium. AGSO-Geoscience Australia, Record 2001/37, Canberra.
67. Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., Herzberg, C.T., 2002. Spatial and temporal variations in the geochemistry of komatiites and komatiitic basalts in the Abitibi Greenstone Belt. Precambrian Res. 115, 153-186.
68. Stachel, T., Viljoen, K.S., Brey, G., Harris, J.W., 1998. Metasomatic processes in lherzolitic and harzburgitic domains of diamondiferous lithospheric mantle REE in garnets from xenoliths and inclusions in diamonds. Earth Planet. Sci. Lett. 159.
69. Sun, S.-S., McDonough, W.F., 1989. Chemical composition systematics of ocean basalts: implications for mantle composition and processes. In: Saunders, A.D., Norry, MJ. (Eds.), Magmatism in the Ocean Basins. Geological Society Special Publication, London, pp. 313-345.
70. Sun, S.-S., Nesbitt, R.W., McCulloch, M., 1989. Geochemistry and petrogenesis of Archaean and early Proterozoic siliceous high-magnesian basalts. In: Crawford, A.J. (Ed.), Boninites and Related Rocks. Unwin and Hyman, London, pp. 148-173.
71. Taylor, R.N., et al., 1994. Mineralogy, chemistry, and genesis of the boninite series volcanics, Chichijima, Bonin Islands, Japan. J. Petrol. 35, 577-617.
72. Viljoen, M.J., Viljoen, R.P., Smith, H.S., Erlank, A.J., 1987. Geological, textural and geochemical features of komatiitic flows from the Komati Formation. In: Anhaeuser, C.R. (Ed.), Contributions to the Geology of the Barberton Mountain Land. The Geological Society of South Africa, Johannesburg.
73. Wilson, A.H., 1982. The geology of the Great Dyke, Zimbabwe: the ultramafic rocks. J. Petrol. 23, 240-292.
74. Wilson, A.H., Carlson, R.W., 1989. 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.
75. Wilson, A.H., Versfeld, J.A., 1994. The early Archaean Nondweni Greenstone Belt, southern Kaapvaal Craton, South Africa, Part II: characteristics of the volcanic rocks and constraints on magma genesis. Precambrian Res. 67, 277-320.
76. Xie, Q., Kerrich, R., 1994. 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.