Tectonic controls on magmatism associated with continental break-up: An example from the Paraná-Etendeka Province

Earth and Planetary Science Letters

Volumn 179, Issue 2, 2000, Pages 335-349

  Hawkesworth, C J ^a,f   Gallagher, K ^b   Kirstein, L ^c   Mantovani, M S M ^d   Peate, D W ^e   Turner, S P ^a  

^a OPEN UNIVERSITY   (United Kingdom)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

^c VU UNIVERSITY AMSTERDAM   (Netherlands)

^d UNIVERSITY OF SÃO PAULO   (Brazil)

^e DANISH LITHOSPHERE CENTRE   (Denmark)

^f UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

Continents; Flood basalts; Lithosphere; Mantle; Partial melting

Indexed keywords

CONTINENTAL BREAKUP; DIKE SWARM; FLOOD BASALT; GONDWANA; LITHOSPHERE; TECTONIC SETTING;

SOUTH AMERICA;

EID: 0033940053     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(00)00114-X     Document Type: Article

References (55)

1. D. Anderson, Hotspots, polar wander, Mesozoic convection and the geoid, Nature 297 (1982) 391-393.
2. M.H. Bott, The stress regime associated with continental break-up, Geol. Soc. Spec. Pub. 68 (1992) 125-136.
3. M. Wilson, Plate-moving mechanisms: constraints and controversies, J. Geol. Soc. Lond. (1993) 923-926.
4. K.G. Cox, The Karoo province, in: J.D. Macdougall (Ed.), Continental Flood Basalts, Kluwer Academic, Dordrecht, 1988, pp. 239-271.
5. B.C. Storey, T. Alabaster, M.J. Hole, R.J. Pankhurst, H.E. Wever, Role of subduction-plate boundary forces during the initial stages of Gondwana break-up: evidence from the proto-Pacific margin of Antarctica, in: B.C. Storey, T. Alabaster, R.J. Pankhurst (Eds.), Magmatism and the Causes of Continental Break-up, Spec. Pub. Geol. Soc. Lond. 68 (1992) 149-164.
6. W.J. Morgan, Hotspot tracks and the opening of the Atlantic and Indian Oceans, in: C. Emiliani (Ed.), The Sea, Wiley, New York, 1981, pp. 443-487.
7. M.A. Richards, A.R. Duncan, V.E. Courtillot, Flood basalts and hot-spot tracks plume heads and tails, Science 246 (1989) 103-107.
8. B.C. Storey, P.R. Kyle, An active mantle mechanism for Gondwana breakup, S. Afr. J. Geol. 100 (1997) 283-290.
9. R.I. Hill, Starting plumes and continental break-up, Earth Planet. Sci. Lett. 104 (1991) 398-416.
10. X. Le Pichon, P. Huchon, Geoid, Pangea and convection, Earth Planet. Sci. Lett. 67 (1984) 123-135.
11. R.S. White, Mantle plume origin for the Karoo and Ventersdorp flood basalts, South Africa, S. Afr. J. Geol. 100 (1997) 271-282.
12. L. Guillou, C. Jaupart, On the effect of continents on mantle convection, J. Geophys. Res. 100 (1995) 24,217-24,238.
13. R.S. White, D.P. McKenzie, Mantle plumes and flood basalts, J. Geophys. Res. 94 (1995) 7685-7729.
14. K. Gallagher, C.J. Hawkesworth, Dehydration melting and the generation of continental flood basalts, Nature 258 (1992) 57-59.
15. D.L. Harry, W.P. Leeman, Partial melting of melt metasomatized subcontinental mantle and their magma source potential of the lower lithosphere, J. Geophys. Res. 100 (1995) 10235-10269.
16. S. Turner, C. Hawkesworth, K. Gallagher, K. Stewart, D. Peate, M. Mantovani, Mantle plumes, flood basalts, and thermal models for melt generation beneath continents: Assessment of a conductive heating model and application to the Paraná, J. Geophys. Res. 101 (1996) 11503-11518.
17. C.G. Farnetani, M.A. Richards, Numerical investigations of the mantle plume initiations model for flood basalt events, J. Geophys. Res. 99 (1994) 13813-13833.
18. V. Courtillot, C. Jaupart, I. Manighetti, P. Tapponier, J. Besse, On causal links between flood basalts and continental breakup, Earth Planet. Sci. Lett. 166 (1999) 177-195.
19. C. Hawkesworth, S. Kelley, S. Turner, A. le Roex, B. Storey, Mantle processes during Gondwana break-up and dispersal, J. Afr. Earth Sci. 28 (1999) 239-261.
20. J.C. Lassiter, D.J. DePaolo, Plume/lithosphere interaction in the generation of continental and oceanic flood basalts: Chemical and isotopic constraints, in: J.J. Mahoney, M. Coffin (Eds.), Large Igneous Provinces, Am. Geophys. Union Geophys. Monogr. 100 (1997) 335-355.
21. M.F. Coffin, O. Eldholm, Scratching the surface: estimating dimensions of large igneous provinces, Geology 21 (1993) 515-518.
22. D. McKenzie, M.J. Bickle, The volume and composition of melt generated by extension of the lithosphere, J. Petrol. 29 (1988) 625-679.
23. J.J. Mahoney, Deccan traps, in: J.D. Macdougall (Ed.), Continental Flood Basalts, Kluwer, Dordrecht, 1988, pp. 151-194.
24. S. Turner, C.J. Hawkesworth, The nature of the continental mantle lithosphere: constraints from the major element composition of continental flood basalts, Chem. Geol. 120 (1995) 295-314.
25. A.J. Erlank, J.S. Marsh, A.R. Duncan, R.McG. Miller, C.J. Hawkesworth, P.J. Betton, D.C. Rex, Geochemistry and petrogenesis of the Etendeka volcanic rocks from South West Africa/Namibia, Spec. Publ. Geol. Soc. S. Afr. 13 (1984) 195-245.
26. D.W. Peate, C.J. Hawkesworth, M.S.M. Mantovani, Chemical stratigraphy of the Paraná lavas (South America): classification of magma types and their spatial distribution, Bull. Volcanol. 55 (1992) 119-139.
27. C.J. Hawkesworth, M.S.M. Mantovani, P.N. Taylor, Z. Palacz, Evidence from the Paraná of South Brazil for a continental contribution to DUPAL basalts, Nature 322 (1986) 356-359.
28. C.J. Hawkesworth, M.S.M. Mantovani, D. Peate, Lithosphere remobilisation during Paraná CFB magmatism, in: M.A. Menzies, K.G. Cox (Eds.), Oceanic and Continental Lithosphere: Similarities and Differences, J. Petrol. Spec. Vol. (1988) 205-223.
29. 39Ar geochronology, Earth Planet. Sci. Lett. 121 (1994) 333-348.
30. 39Ar geochronology in the Paraná continental flood basalt province, Earth Planet. Sci. Lett. 143 (1996) 95-109.
31. D.W. Peate, The Paraná-Etendeka Province, in: J.J. Mahoney, M. Coffin (Eds.), Large Igneous Provinces, Am. Geophys. Union Geophys. Monogr. 100 (1997) 217-245.
32. C.J. Hawkesworth, K. Gallagher, Mantle hotspots, plumes and regional tectonics as causes of intraplate magmatism, Terra Nova 5 (1993) 552-559.
33. 39Ar Method, Oxford University Press, New York, 1988, 212 pp.
34. S.P. Kelley, Ar-Ar dating by laser microprobe, in: P.J. Potts, J.F.W. Bowles, S.J.B. Reed, M.R. Cave (Eds.), Microprobe Techniques in Earth Sciences, Chapman and Hall, New York, 1995, pp. 327-358.
35. P.R. Renne, M. Ernesto, I.G. Pacca, R.S. Coe, J.M. Glen, M. Prévot, M. Perrin, The age of Paraná flood volcanism, rifting of Gondwanaland, and the Jurassic-Cretaceous Boundary, Science 258 (1992) 975-979.
36. D.W. Peate, C.J. Hawkesworth, M.S.M. Mantovani, N.W. Rogers, S.P. Turner, Petrogenesis and stratigraphy of the high-Ti/Y Urubici magma type in the Paraná flood basalt province and implications for the nature of Dupal-type mantle in the South Atlantic region, J. Petrol. 40 (1999) 451-473.
37. P. Comin-Chiaramonti, F. Castorina, A. Cundari, R. Petrini, C.B. Gomes, Dykes and sills from Eastern Uruguay: Sr and Nd isotope systematics, in: G. Baer, A. Heimann (Eds.), Physics and Chemistry of Dykes, Balkema, Rotterdam, 1995, pp. 267-278.
38. M.S.M. Mantovani, C.J. Hawkesworth, An inversion approach to assimilation and fractional crystallisation processes, Contrib. Mineral. Petrol. 105 (1990) 289-302.
39. P.R. Renne, K. Deckart, M. Ernesto, G. Féraud, E.M. Piccirillo, Age of the Ponta Grossa dike swarm (Brazil), and implications to Paraná flood volcanism, Earth Planet. Sci. Lett. 144 (1996) 199-212.
40. P.R. Renne, J.M. Glen, S.C. Milner, A.R. Duncan, Age of Etendeka flood volcanism and associated intrusions in southwestern Africa, Geology 24 (1996) 659-662.
41. S.C. Milner, A.R. Duncan, A.M. Whittingham, A. Ewart, Trans-Atlantic correlation of eruptive sequences and individual silicic volcanic units within the Paraná-Etendeka igneous province, J. Volcanol. Geotherm. Res. 69 (1995) 137-157.
42. U.G. Cordani, V.A.V. Girardi, Geologica de Folha de Mottetes, Bol. Univ. Fed. Paraná Geol. 26 (1967) 40 pp.
43. F.M. Gradstein, F.P. Agterberg, J.G. Ogg, J. Hardenbol, P. van Veen, J. Thierry, Z. Huang, A Mesozoic time scale, J. Geophys. Res. 99 (1994) 24051-24074.
44. T. Pedersen, H.E. Ro, Finite duration extension and decompression melting, Earth Planet. Sci. Lett. 113 (1992) 15-22.
45. J.W. Bown, R.S. White, Effect of finite extension rate on melt generation at rifted continental margins, J. Geophys. Res. 100 (1995) 18011-18029.
46. C. Jaupart, J.C. Mareschal, The thermal structure and thickness of continental roots, Lithos 84 (1999) 93-114.
47. P. England, Constraints on extension of continental lithosphere, J. Geophys. Res. 88 (1983) 1145-1152.
48. H. Iwamori, D. McKenzie, E. Takahashi, Melt generation by isentropic mantle upwelling, Earth Planet. Sci. Lett. 134 (1995) 253-266.
49. M.M. Hirschmann, M.S. Ghiorso, E.M Stolper, Calculation of peridotite partial melting from thermodynamic models of minerals and melts III. Controls on isobaric melt production and the effect of water on melt production, J. Petrol. 40 (1999) 831-851.
50. L. Hall, The Effect of Water on Mantle Melting, Unpublished Ph.D. thesis, Bristol University, 1999, 159 pp.
51. R.S. Detrick, A.B. Watts, An analysis of isostasy in the world's oceans 3. Aseismic ridges, J. Geophys. Res. 84 (1978) 3637-3653.
52. K. Gallagher, C.J. Hawkesworth, Mantle plumes, continental magmatism and asymmetry in the South Atlantic, Earth Planet. Sci. Lett. 123 (1994) 105-117.
53. C.J. Hawkesworth, K. Gallagher, S. Kelley, M. Mantovani, D.W. Peate, M. Regelous, N.W. Rogers, Paraná magmatism and the opening of the South Atlantic, in: B.C. Storey, T. Alabaster, R.J. Pankhurst (Eds.), Magmatism and the Causes of Continental Break-up, Spec. Pub. Geol. Soc. Lond. 68 (1992) 221-240.
54. K. Gallagher, C.J. Hawkesworth, M.S.M. Mantovani, The denudation history of the onshore continental margin of SE Brazil inferred from fission track data, J. Geophys. Res. 99 (1994) 18117-18145.
55. A.J. Melfi, E.M. Piccirillo, A.J.R. Nardy, Geological and magmatic aspects of the Paraná Basin, in E.M. Piccirillo, A.J. Melfi (Eds.), The Mesozoic Flood Volcanism of the Paraná Basin, IAG-USP, São Paulo, 1988, pp. 1-14.