Isotopic and trace-element indications of lithospheric and asthenospheric components in Tertiary alkalic basalts, northeastern Brazil

Lithos

Volumn 43, Issue 4, 1998, Pages 197-217

  Fodor, R V ^a   Mukasa, S B ^b   Sial, A N ^c  

^a Earth Atmosph Sci N Carolina S ^*  (United States)

^b UNIVERSITY OF MICHIGAN   (United States)

^c FEDERAL UNIVERSITY OF PERNAMBUCO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ALKALI BASALT; GEOCHEMISTRY; ISOTOPIC COMPOSITION; TRACE ELEMENT;

BRAZIL;

EID: 0031722081     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0024-4937(98)00012-7     Document Type: Article

References (40)

1. Caby, R., Sial, A.N., Arthaud, M., Vauchez, A., 1991. Crustal evolution and the Brazilian orogeny in northeast Brazil, In: Dallmeyer, R.D., Leochorche, J.P., (Eds.), The West African Orogens and Circum-Atlantic Correlatives, Springer-Verlag, Berlin, pp. 373-397.
2. Castro, D.L., Barbosa, C.C.F., Silva, J.B.C., Medeiros, W.E., 1997a. Relevo da interface crossta-manto no Nordeste setentrional do Brasil: comparacao entre vinculos de isostasia e suavidade. 5th Congr. Inter. Soc. Bras. Geofisica, Sao Paulo, Abs. v., 2, pp. 682-685.
3. Castro, D.L., Medeiros, W.E., Moreira, J.A., Jardim de Sa, E.F., 1997b. Mapa gravimetrico do Nordeste setentrional do Brasil e margem continental adjacente: 5th Congr. Inter. Soc. Bras. Geofisica, Sao Paulo, Abs. v., 2, pp. 678-681.
4. Dobosi G., Fodor R.V., Goldberg S.A. Late-Cenozoic alkalic basalt magmatism in northern Hungary and Slovakia: petrology, source compositions and relationship to tectonics. Acta Vulcanol. 7:1995;199-207.
5. Embey-Isztin A., Downes H., James D.E., Upton B.G.J., Dobosi G., Ingram G.A., Harmon R.S., Scharbert H.G. The petrogenesis of Pliocene alkaline volcanic rocks from the Pannonian basin, Eastern Central Europe. J. Petrol. 34:1993;317-343.
6. Erlank, A.J., Waters, F.G., Hawkesworth, C.J., Haggerty, S.E., Allsopp, H.L., Rickard, R.S., Menzies, M.A., 1987. Evidence for mantle metasomatism in peridotite nodules from the Kimberley pipes, South Africa, In: Menzies, M., Hawkesworth, C., (Eds.), Mantle Metasomatism, Academic Press, London, pp. 221-311.
7. Fitton J.G., Dunlop H.M. The Cameroon line, West Africa, and its bearing on the origin of oceanic and continental alkali basalt. Earth Planet. Sci. Lett. 72:1985;23-38.
8. Fitton J.G., James D., Leeman W.S. Basic magmatism associated with late Cenozoic extension in the western United States: compositional variations in space and time. J. Geophys. Res. 96:1991;13693-13711.
9. Fodor R., Sial A.N., Mukasa S.B., McKee E.H. Petrology, isotope characteristics, and K-Ar ages of the Maranhao, northern Brazil, Mesozoic basalt province. Contrib. Mineral. Petrol. 104:1990;555-567.
10. Fodor, R.V., Gandhok, G.R., Sial, A.N., 1991. Vertical sampling of mantle beneath northeastern Brazil as represented by ultramafic xenoliths and megacrysts in Tertiary basalts. 5th Intern. Kimberlite Conf., Araxa, Brazil (ext. abst.), pp. 101-102.
11. Fodor R.V., Dobosi G., Sial A.N. Zoned clinopyroxenes in alkalic basalt: clues to fractionation and magma-mixing histories for seemingly primitive magmas. Chem. Erde. 55:1995;133-148.
12. Gerlach D.C., Stormer J.C., Mueller P.A. Isotopic geochemistry of Fernando de Noronha. Earth Planet. Sci. Lett. 85:1987;129-144.
13. Griffiths R.W., Campbell I.H. Stirring and structure in mantle starting plumes. Earth Planet. Sci. Lett. 99:1990;66-78.
14. 18O systematics of basalts from different geotectonic setting Contrib. Mineral. Petrol. 120:1995;95-114.
15. Hart S.R. Heterogeneous mantle domains: signatures, genesis, and mixing chronologies. Earth Planet. Sci. Lett. 90:1988;273-296.
16. Hawkesworth C.J., Kempton P.D., Rogers N.W., Ellam R.M., van Calsteren P.W. Continental mantle lithosphere, and shallow level enrichment processes in the earth's mantle. Earth Planet. Sci. Lett. 96:1990;256-268.
17. Hergt J.M., Peate D.W., Hawkesworth C.J. The petrogenesis of Mesozoic Gondwanda low-Ti flood basalts. Earth Planet. Sci. Lett. 105:1991;134-148.
18. Kelemen P.B., Shimizu N., Dunn T. Relative depletion of niobium in some arc magmas and the continental crust: partitioning of K, Nb, La, and Ce during melt/rock reaction in the upper mantle. Earth Planet. Sci. Lett. 120:1993;111-134.
19. Kyser R.K., O'Neil J.R., Carmichael I.S.E. Genetic relations among basic lavas and ultramafic nodules: evidence from oxygen isotope compositions. Contrib. Mineral. Petrol. 81:1982;88-102.
20. Mabesoone J.M., Fulfaro V.J., Suguio K. Phanerozoic sedimentary sequences of the southern American platform. Earth Sci. Rev. 17:1981;49-67.
21. Macdonald G.A., Katsura T. Chemical composition of Hawaiian lavas. J. Petrol. 5:1964;82-133.
22. McDonough W.F. Constraints on the composition of the continental lithospheric mantle. Earth Planet. Sci. Lett. 101:1990;1-18.
23. McDonough, W.G., Frey, F.A., 1990. Rare earth elements in upper mantle rocks, In: Lipin, B.R., McKay, G.A., (Eds.), Geochemistry and Mineralogy of Rare Earth Elements, Mineral. Soc. Am. Rev. Mineralogy, 21, pp. 99-145.
24. McKenzie D. Some remarks on the movement of small melt fractions in the mantle. Earth Planet. Sci. Lett. 95:1989;53-72.
25. Menzies, M.A., Rogers, N., Tindle, A., Hawkesworth, C.J., 1987. Metasomatic and enrichment processes in lithospheric peridotites: an effect of asthenosphere-lithosphere interaction, In: Menzies, M., Hawkesworth, C. (Eds.), Mantle Metasomatism, Academic Press, London, pp. 313-361.
26. Morgan W.J. Hot spot tracks and the early rifting of the Atlantic. Tectonophysics. 94:1983;123-139.
27. Mukasa S.B., Flower M.F.J., Miklius A. The Nd-, Sr-, and Pb-isotopic character of lavas from Taal, Laguna de Bay and Arayat volcanoes, southwestern Luzon, Philippines: implications for arc magma petrogenesis. Tectonophysics. 235:1994;205-221.
28. O'Connor J.M., Duncan R.A. Evolution of the Walvis Ridge-Rio Grande rise hot spot system: implications for African and South American plate motions over plumes. J. Geophys. Res. 95:1990;17475-17502.
29. Paslick C., Halliday A., James D., Dawson J.B. Enrichment of the continental lithosphere by OIB melts: isotopic evidence from the volcanic province of northern Tanzania. Earth Planet. Sci. Lett. 130:1995;109-126.
30. Petri S., Campanha V.A. Brazilian continental Cretaceous. Earth Sci. Rev. 17:1981;69-85.
31. Sial A.N. Petrology and mineral chemistry of peridotite nodules included in Tertiary basaltic rocks of northeast Brazil. Geol. Soc. Am. Bull. 88:1977;1173-1176.
32. Sial A.N., Long L.E., Pessoa D.A.R., Kawashita K. Potassium-argon ages an strontium isotope geochemistry of Mesozoic and Tertiary basaltic rocks, northeastern Brazil. An. Acad. Brasil. Cienc. 53:1981;115-121.
33. Sun, S.-S., McDonough, W.F., 1989. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, In: Saunders, A.D., Norry, M.J., (Eds.), Magmatism in the Ocean Basins, Geol. Soc. Sp. Pub., 42, Blackwell, London, pp. 313-345.
34. Taylor, S.R., McLennan, S.M., 1985. The Continental Crust: its Composition and Evolution, Blackwell, London, p. 312.
35. Turner S., Hawkesworth C.J. The nature of the sub-continental mantle: constraints from the major-element compositions of continental flood basalts. Chem. Geol. 120:1995;295-314.
36. Turner S., Hawkesworth C., Gallagher K., Stewart K., Peate D., Mantovani M. Mantle plumes, flood basalts, and thermal models for melt generation beneath continents: assessment of a conductive heating model and application to the Parana. J. Geophys. Res. 101:1996;11503-11518.
37. Weaver B.L. Geochemistry of highly-undersaturated ocean island basalt suites from the South Atlantic Ocean: Fernando de Noronha and Trindade islands. Contrib. Mineral. Petrol. 105:1990;502-515.
38. Weaver B.L. The origin of ocean island basalt end-member compositions: trace element and isotopic constraints. Earth Planet. Sci. Lett. 104:1991;381-397.
39. Zhi X., Song Y., Frey F.A., Feng J., Zhai J. Geochemistry of Hannuoba basalts, eastern China: constraints on the origin of continental alkalic and tholeiitic basalt. Chem. Geol. 88:1990;1-33.
40. Zindler A., Hart S.R. Cemical geodynamics. Ann. Rev. Earth Planet. Sci. 14:1986;493-571.