The petrogenesis of Gorgona komatiites, picrites and basalts: New field, petrographic and geochemical constraints

Lithos

Volumn 37, Issue 2-3, 1996, Pages 245-260

  Kerr, A C ^a   Marriner, G F ^b   Arndt, N T ^c   Tarney, J ^a   Nivia, A ^d   Saunders, A D ^a   Duncan, R A ^e  

^a UNIVERSITY OF LEICESTER   (United Kingdom)

^b UNIVERSITY OF LONDON   (United Kingdom)

^c UNIVERSITÉ DE RENNES 1   (France)

^d SERVICIO GEOLÓGICO COLOMBIANO   (Colombia)

^e OREGON STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BASALT; KOMATIITE; MANTLE PLUME; PETROGENESIS; PHANEROZOIC; PICRITE;

COLOMBIA, GORGONA ISLAND;

EID: 0029729501     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/0024-4937(95)00039-9     Document Type: Article

References (38)

1. Aitken, B.G. and Echeverría, L.M., 1984. Petrology and geochemistry of komatiites from Gorgona Island Colombia. Contrib. Mineral. Petrol., 86: 94-105.
2. Arndt, N.T., Naldrett, A. and Pyke, D.R., 1977. Komatiite and iron-rich tholeiitic lavas of Munro Township, NE Ontario. J. Petrol., 18: 319-69.
3. Arndt, N.T., 1986. Differentiation of komatiite flows. J. Petrol., 27: 279-301.
4. Arndt, N.T., 1994. Komatiites. In: K.C. Condie (Editor), Archean Crustal Evolution. Elsevier, Amsterdam, pp. 11-44.
5. Barnes, S.-J., 1983. A comparative study of olivine and clinopyroxene spinifex flows from Alexo, Abitibi greenstone belt, Canada. Contrib. Mineral. Petrol., 83: 293-308.
6. Aspden, J.A. and McCourt, W.J., 1986. Mesozoic oceanic terrane in the central Andes of Colombia. Geology, 14: 415-418.
7. Bickle, M.J. and Nisbet, E.G. (Editors), 1993. The Geology of the Belingwe Greenstone Belt. Zimbabwe. Balkema, Rotterdam.
8. Burke, K., 1988. Tectonic evolution of the Caribbean. Annu. Rev. Earth Planet. Sci., 16: 201-230.
9. Campbell, I.H., Griffiths, R.W. and Hill, R.I., 1989. Melting in an Archean mantle plume: heads its basalts tails it's komatiites. Nature, 339: 697-699.
10. De Wit, M.J., Hart, R.A. and Hart, R.J., 1987. The Jamestown ophiolite complex, Barberton mountain belt: a section through 3.5 Ga oceanic crust. J. Afr. Earth Sci., 6: 681-730.
11. Dietrich, V.J., Gansser, A., Sommerauer, J. and Cameron, W.E., 1981. Palaeocene komatiites from Gorgona Island, East Pacific; a primary magma for ocean floor basalts. Geochem. J., 15: 141-161.
12. Donaldson, C.H., 1976. An experimental investigation of olivine morphology. Contrib. Mineral. Petrol., 57: 187-213.
13. Donaldson, C.H., 1990. Forsterite dissolution in superheated basaltic, andesitic and rhyolitic melts. Mineral. Mag., 54: 67-74.
14. Dupré, B. and Echeverría, L.M., 1984. Pb isotopes of Gorgona Island (Colombia): isotopic variations correlated with magma type. Earth Planet. Sci. Lett., 67: 186-190.
15. Echeverría, L.M., 1980. Tertiary or Mesozoic komatiites from Gorgona Island, Colombia: field relations and geochemistry. Contrib. Mineral. Petrol.., 73: 253-266.
16. Echeverría, L.M. and Aitken, B.G., 1986. Pyroclastic rocks: another manifestation of ultramafic volcanism on Gorgona Island, Colombia. Contrib. Mineral. Petrol., 92: 428-436.
17. Griffiths, R.W. and Campbell, I.H., 1990. Stirring and structure in mantle starting plumes. Earth Planet. Sci. Lett., 99: 66-78.
18. Hards, V.L., Kempton, P.D. and Thompson, R.N., 1995. The heterogeneous Iceland plume: new insights from the alkali basalts of the Snaefell volcanic centre. J. Geol. Soc. London, 152: 1003-1009.
19. Herzberg, C., 1992. Depth and degree of melting of komatiites. J. Geophys. Res., 97: 4521-4540.
20. Hill, R.I., 1993. Mantle plumes and continental tectonics. Lithos, 30: 193-206.
21. Holm, P., Gill, R.C.O., Pedersen, A.K., Larsen, J.G., Hald, N., Nielsen, T.D.F. and Thirlwall, M.F., 1993. Tertiary picrites from West Greenland: contributions from "Icelandic" and other sources. Earth Planet. Sci. Lett., 115: 227-244.
22. Kerr, A.C., Saunders, A.D., Tarney, J., Berry, N. and Hards, V.L., 1995. Depleted mantle plume geochemical signatures; no paradox for plume theories. Geology, 23: 843-846.
23. Kerr, A.C., Tarney, J., Marriner, G.F., Nivia, A., Saunders, A.D. and Klaver, G.T., 1996. The geochemistry and tectonic setting of late Cretaceous Caribbean and Colombian volcanism. J. S.Am. Earth Sci., in press.
24. Klaver, G.Th., 1987. The Curaçao Lava Formation. An Ophiolitic Analogue of the Anomalous Thick Layer 2B of the Mid-Cretaceous Oceanic Plateaus in the Western Pacific and Central Caribbean. Ph.D. Thesis, Univ. Amsterdam, 168 pp.
25. Lofgren, G.E., 1983. Effect of heterogeneous nucleation on basaltic textures: a dynamic crystallisation study. J. Petrol., 24: 229-255.
26. McGeary, S. and Ben-Avraham, Z., 1986. The accretion of Gorgona Island, Colombia: multichannel seismic evidence. In: D.G. Howell (Editor), Tectonostratigraphic Terranes of the Circum-Pacific Region. Circum-Pacific Council for Energy and Mineral Resources, Houston, pp. 543-554.
27. Millward, D., Marriner, G.F. and Saunders, A.D., 1984. Cretaceous tholeiitic rocks from the western Cordillera of Colombia. J. Geol. Soc. London, 141: 847-860.
28. Nielsen, R.L., 1988. A model for the simulation of combined major and trace element liquid lines of descent. Geochim. Cosmochim. Acta, 52: 27-38.
29. Nisbet, E.G., Cheadle, M.J., Arndt, N.T. and Bickle, M.J., 1993. Constraining the potential temperature of the Archaean mantle: A review of the evidence from komatiites. Lithos, 30: 291-307.
30. Nivia, A., 1996. The Bolivar mafic-ultramafic complex, SW Colombia: the base of an obducted oceanic plateau. J. S.Am. Earth Sci., in press.
31. O'Nions, R.K. and Clarke, D.B., 1972. Comparative trace element geochemistry of Tertiary basalts from Baffin Bay. Earth Planet. Sci. Lett., 15: 436-446.
32. Pyke, D.R., Naldrett, A.J. and Eckstrand, O.R., 1973. Archean ultramafic flows in Munro Township, Ontario. Bull. Geol. Soc. Am., 84: 955-978.
33. Renner, R., Nisbet, E.G., Cheadle, M.J., Arndt, N.T., Bickle, M.J. and Cameron, W.E., 1994. Komatiite flows from the Reliance formation, Belingwe Belt, Zimbabwe: Petrography and mineralogy. J. Petrol., 35: 361-400.
34. Richards, M.A., Jones, D.L., Duncan, R.A. and DePaolo, D.J., 1991. A mantle plume initiation model for the Wrangellia flood basalt and other oceanic plateaus. Science, 254: 263-267.
35. 39Ar ages from Gorgona Island, Colombia and the Nicoya Peninsula, Costa Rica. EOS Trans. Am. Geophys. Union, 74: 553.
36. Spadea, P., Espinosa, A. and Orrego, A., 1989. High-Mg extrusive rocks from the Romeral zone ophiolites in the south western Colombian Andes. Chem. Geol., 77: 303-321.
37. Storey, M., Mahoney, J.J., Kroenke, L.W. and Saunders, A.D., 1991. Are oceanic plateus the site of komatiite formation? Geology, 19: 376-379.
38. Walker, R.J., Echeverría, L.M., Shirey, S.B. and Horan, M.F., 1991. 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.