Dynamic melting in plume heads: The formation of Gorgona komatiites and basalts

Earth and Planetary Science Letters

Volumn 146, Issue 1-2, 1997, Pages 289-301

  Arndt, Nicholas T ^a   Kerr, Andrew C ^b   Tarney, John ^b  

^a UNIVERSITÉ DE RENNES 1   (France)

^b UNIVERSITY OF LEICESTER   (United Kingdom)

Author keywords

Geochemistry; Gorgona Island Colombia; Komatiite; Mantle plumes; Melting

Indexed keywords

BASALT; BASALTS; CRETACEOUS; IGNEOUS GEOCHEMISTRY; KOMATIITE; KOMATITES; MANTLE PLUME; MANTLE PLUMES; MELTING; TRACE ELEMENT;

COLOMBIA, GORGONA ISLAND; PACIFIC, GORGONA ISLAND;

EID: 0030837091     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0012-821x(96)00219-1     Document Type: Article

References (45)

1. L.M. Echeverría, Tertiary or Mesozoic komatiites from Gorgona Island, Colombia; field relations and geochemistry, Contrib. Mineral. Petrol. 73, 253-266, 1980.
2. L.M. Echeverría and B. Aitken, Pyroclastic rocks: another manifestation of ultramafic volcanism of Gorgona Island, Colombia, Contrib. Mineral. Petrol. 92, 428-436, 1986.
3. L.M. Echeverría, Komatiites from Gorgona Island, Colombia, in: Komatiites, N.T. Arndt and E.G. Nisbet, eds., Allen & Unwin, London, 1982.
4. B.G. Aitken and L.M. Echeverría, Petrology and geochemistry of komatiites and tholeiites from Gorgona Island, Colombia, Contrib. Mineral. Petrol. 86, 94-105, 1984.
5. V.J. Dietrich, A. Gansser, J. Sommerauer and W.E. Cameron, Palaeogene komatiites from Gorgona Island, East Pacific - A primary magma for ocean floor basalts?, J. Geochem. 15, 141-161, 1981.
6. R.J. Walker, L.M. Echeverría, S.B. Shirey and M.F. Horan, Re-Os isotopic constraints on the origin of volcanic rocks, Gorgona Island, Colombia: Os isotopic evidence for ancient heterogeneities in the mantle, Contrib. Mineral. Petrol. 107, 150-162, 1991.
7. B. Dupré and L.M. Echeverría, Pb isotopes of Gorgona Island (Colombia): isotopic variations correlated with magma type, Earth Planet. Sci. Lett. 67, 186-190, 1984.
8. A.C. Kerr, G. Marriner, N.T. Arndt, J. Tarney, A. Nivia, A. Saunders, M.J. Storey and R.A. Duncan, The petrogenesis of Gorgona komatiites, picrites and basalts: new field, petrographic and geochemical constraints, Lithos 37, 245-260, 1995.
9. E.G. Nisbet, The tectonic setting and petrogenesis of komatiites, in: Komatiites, N.T. Arndt and E.G. Nisbet, eds., Allen & Unwin, London, 1982.
10. K.P. Jochum, N.T. Arndt and A.W. Hofmann, Nb-Th-La in komatiites and basalts: constraints on komatiite petrogenesis and mantle evolution, Earth Planet. Sci. Lett. 107, 272-289, 1990.
11. M. Storey, J.J. Mahoney, L.W. Kroenke and A.D. Saunders, Are oceanic plateaus sites of komatiite formation?, Geology 19, 376-379, 1991.
12. K. Burke, Tectonic evolution of the Caribbean, Annu. Rev. Earth Planet. Sci. 16, 201-230, 1988.
13. A.C. Kerr, J. Tarney, G. Marriner, A. Nivia, G.T. Klaver and A. Saunders, The geochemistry and tectonic setting of late Cretaceous Caribbean and Colombian volcanism, J. S. Am. Earth Sci., 1995.
14. A.A. Gurenko and M. Chaussidon, Enriched and depleted primitive melts included in olivine from Icelandic tholeiites: origin by continuous melting of a single mantle column, Geochim. Cosmochim. Acta 58, 2905-2917, 1995.
15. A.V. Sobolev and N. Shimizu, Ultra-depleted primary melt included in an olivine from the Mid-Atlantic Ridge, Nature 363, 151-154, 1993.
16. B. Dupré, C. Chauvel and N.T. Arndt, Pb and Nd isotopic study of two Archean komatiitic flows from Alexo, Ontario, Geochim. Cosmochim. Acta 48, 1965-1972, 1984.
17. A.C. Kerr, J. Tarney, G. Marriner, G.T. Klaver, A.D. Saunders and M.F. Thirlwall, The geochemistry and petrogenesis of the late-Cretaceous picrites and basalts of Curacao, Netherlands Antilles: a remnant of an oceanic plateau, Contrib. Mineral. Petrol., in press, 1996.
18. P. Olson, G. Schubert, C. Anderson and P. Goldman, Plume formation and lithosphere erosion: A comparison of laboratory and numerical experiments, J. Geophys. Res. 93, 15,065-15,084, 1988.
19. R.W. Griffiths and I.H. Campbell, Stirring and structure in mantle starting plumes, Earth Planet. Sci. Lett. 99, 66-78, 1990.
20. L.H. Campbell, R.E.T. Hill and R.W. Griffiths, Melting in an Archaean mantle plume: heads it's basalts, tails it's komatiites, Nature 339, 697-699, 1990.
21. L. Reisberg and A. Zindler, Extreme isotopic variations in the upper mantle: evidence from Ronda, Earth Planet. Sci. Lett. 81, 29-45, 1987.
22. C.J. Hawkesworth, N.W. Rogers, P.W.C. Van Calsteren and M.A. Menzies, Mantle enrichment processes, Nature 311, 331-336, 1984.
23. M.J. O'Hara, The bearing of phase equilibrium studies on the origin and evolution of basic and ultrabasic rocks, Earth Sci. Rev. 4, 69-133, 1968.
24. C. Herzberg, Depth and degree of melting of komatiite, J. Geophys. Res. 97, 4521-4540, 1992.
25. C.H. Langmuir, J.F. Bender, A.E. Bence, G.N. Hanson and S.R. Taylor, Petrogenesis of basalts from the famous area: Mid-Atlantic Ridge, Earth Planet. Sci. Lett. 36, 133-156, 1977.
26. F. Albarède, Introduction to Geochemical Modeling, 543 pp., Cambridge Univ. Press, Cambridge, 1995.
27. G.E. Brügman, N.T. Arndt, A.W. Hofmann and H.J. Tobschall, Noble metal abundances in komatiite suites from Alexo, Ontario, and Gorgona Island, Colombia, Geochim. Cosmochim. Acta 51, 2159-2170, 1987.
28. N.T. Arndt, Archean komatiites, in: Archean Crustal Evolution, K.C. Condie, ed., pp. 11-44 Elsevier, Amsterdam, 1994.
29. C. Herzberg, Generation of plume magmas through time: an experimental perspective, Chem. Geol. 26, 1-17, 1995.
30. E. Takahashi, T. Shimazaki, Y. Tsuzaki and H. Yoshida, Melting study of a peridotite KLB-1 to 6.5 GPa, and the origin of basaltic magmas, Philos. Trans. R. Soc. London A 342, 105-120, 1993.
31. J. Zhang and C. Herzberg, Melting experiments on anhydrous peridotite KLB-1 from 5.0 to 22.5 GPa, J. Geophys. Res 99, 17,729-17,742, 1994.
32. B.L. Weaver and J. Tarney, Thermal aspects of komatiite generation and greenstone belt models, Nature 279, 689-692, 1979.
33. A.C. Kerr, A.D. Saunders, J. Tarney, N.H. Berry and V.L. Hards, Depleted mantle plume geochemical signatures: no paradox for plume theories, Geology 23, 843-846, 1995.
34. B.L. Weaver, D.A. Wood, J. Tarney and J.L. Joron, Role of subducted sediment in the genesis of ocean-island basalts: geochemical evidence from South Atlantic Ocean Islands, Geology 14, 275-278, 1986.
35. W.M. White and P.J. Patchett, Hf-Nd-Sr isotopes and incompatible-element abundances in island arcs, and implications for magma origins and crust-mantle evolution, Earth Planet. Sci. Lett. 67, 167-185, 1984.
36. C. Chauvel, A.W. Hofmann and P. Vidal, HIMU-EM: the French Polynesian connection, Earth Planet. Sci. Lett. 110, 99-119, 1992.
37. R.J. Walker, R.W. Carlson, S.B. Shirey and F.R. Boyd, Os, Sr, Nd, and Pb isotope systematics of Southern African peridotite xenoliths: implications for the chemical evolution of subcontinental mantle, Geochim. Cosmochim. Acta 53, 1583-1595, 1989.
38. D. Francis, The implications of picritic lavas for the mantle sources of terrestrial magmatism, Lithos 34, 89-106, 1995.
39. T.R. Elliott, C.J. Hawkesworth and K. Grönvold, Dynamic melting of the Iceland plume, Nature 351, 201-206, 1991.
40. R.S. Cohen, N.M. Evensen, P.J. Hamilton and R.K. O'Nions, U-Pb, Sm-Nd and Rb-Sr systematics of mid-ocean ridge basalt glasses, Nature 283, 149-153, 1980.
41. R.S. Cohen and R.K. O'Nions, The lead, neodymium and strontium isotopic structure of Ocean Ridge basalts, J. Petrol. 23, 299-324, 1982.
42. E. Ito, W.M. White and C. Goepel, The O, Sr, Nd and Pb isotope geochemistry of MORB, Chem. Geol. 62, 157-176, 1987.
43. E.M. Klein, C.H. Langmuir, H. Staudigel and B. Hamelin, The Australian-Antarctic Discordance (AAD); A convective boundary between the Indian and Pacific Ocean isotopic provinces. EOS Trans. AGU 69, 507, 1988.
44. W.M. White, A.W. Hofmann and H. Puchelt, Isotope geochemistry of Pacific mid-ocean ridge basalts, J. Geophys. Res. 92, 4881-4893, 1987.
45. K. Hirose and I. Kushiro, Partial melting of dry peridotites at high pressures: Determination of compositions of melts segregated from peridotite using aggregates of diamond, Earth Planet. Sci. Lett. 114, 477-489, 1993.