Mantle dynamics: A Nd, Sr, Pb and O isotopic study of the Cameroon line volcanic chain

Journal of Petrology

Volumn 29, Issue 1, 1988, Pages 181-211

  Halliday, A N ^a   Dickin, A P ^b   Fallick, A E ^c   Fitton, J G ^d  

^a UNIVERSITY OF MICHIGAN   (United States)

^b MCMASTER UNIVERSITY   (Canada)

^c SCOTTISH UNIVERSITIES ENVIRONMENTAL RESEARCH CENTRE   (United Kingdom)

^d UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000405501     PISSN: 00223530     EISSN: None     Source Type: Journal    
DOI: 10.1093/petrology/29.1.181     Document Type: Article

References (80)

1. Allegre, C. J., Dupre', B., Lambret, B., & Richard, R., 1981. The subcontinental versus suboceanic debate, I. lead-neodymium-strontium isotopes in alkali basalts from a shield area: the Ahaggar volcanic suite. Earth planet. Sci. Lett. 52, 85-92.
2. Allegre, C. J., Dupre, B., Richard, P., Rousseau, D., & Brooks, C., 1982. Subcontinental versus suboceanic mantle, II. Nd-Sr-Pb isotopic comparison of continental tholeiites with mid-ocean ridge tholeiites, and the structure of the continental lithosphere. Contr. Miner. Petrol 57, 25-3.
3. Allegre, C. J., Turcotte, D. L., 1985. Geodynamic mixing in the mesosphere boundary layer and the origin of oceanic islands. Geophys. Res. Lett. 12, 207-10.
4. Anderson, D. L., 1985. Hotspot magmas can form by fractionation and contamination of mid-ocean ndge basalts Nature, 318, 145-9.
5. Chas^, C. C 1981 Ocean island Pb: two-stage histories and mantle evolution. Earth planet. Sci. Lett. 52, 277-84
6. Chauvel, C, Vidal, P., & Hofmann, A. W., 1986. Mantle heterogeneities beneath the Austral islands. Terra Cognita, 6, 241.
7. Chen, C-Y., & Frey, F. A., 1983. Origin of Hawaiian tholeiite and alkalic basalt. Nature, 302, 785-9.
8. Clayton, R. N., Onuma, N., & Mayeda, T. K., 1971. Oxygen isotopic fractionation in Apollo 12 rocks and soils. Geochim. cosmochim. Ada, 35, (suppl) (2), 1417-20.
9. Cohen, R. S-, & O'Nions, R. K., 1982a. Identification of recycled continental material in the mantle from Sr, Nd and Pb isotope investigations. Earth planet. Sci. Lett. 61, 73-84.
10. Cohen, R. S-, & O'Nions, R. K 1982b. The lead, neodymium and strontium isotopic structure of ocean ridge basalts. J. Petrology, 23, 299-324
11. Cohen, R. S-, & ONions, R. K., Dawson, J. B., 1984-Isotope-geochemistry of xenolithsJrom East Africaumplications fordevelopment of mantle reservoirs and their interaction. Earth planet. Sci. Lett. 68, 209-20.
12. Dickin, A. P., Halliday, A. N., & Bowden, P., in press. A Pb, Sr and Nd isotope study of Nigerian Mesozoic ring complexes. Contr. Miner. Petrol
13. Dosso, L., & Murthy, V. R., 1980. A Nd isotopic study of the Kerguelen islands: Inferences on enriched oceanic mantle sources. Contr. Miner. Petrol 48, 268-76.
14. Dunlop, H. M., & Futon, J. G., 1979. A K-Ar and Sr-isotopic study of the volcanic island of Principe, West Africa—evidence for mantle heterogeneity beneath the Gulf of Guinea. Contr. Miner. Petrol. 71, 125-31.
15. Dupre, B., & Allegre, C. J, 1980. Pb-Sr-Nd isotopic correlation and the chemistry of the North Atlantic mantle. Nature, 286, 17-221.
16. Dupre, B., & Allegre, C. J 1983. Pb-Sr isotope variation in Indian Ocean basalts and mixing phenomena. Contr. Miner. Petrol 303, 142-6.
17. Emery, K. O., & Uchupi, E., 1984. The Geology of the Atlantic Ocean. New York: Springer-Veriag.
18. Fitton, J. G., 1980 The Benue trough and Cameroon line—a migrating rift system in West Africa. Earth planet. Sci Lett. 51, 132-8.
19. Fitton, J. G., 1983. Active versus passive rifting: evidence from the West African rift system. Teclonophysics 94, 473-81.
20. Fitton, J. G., 1987. The Cameroon line. West Africa a comparison between oceanic and continental alkaline volcanism In. Fitton, J. G., & Upton, B. G. J. (eds.) Alkaline Igneous Rocks. Geol. Soc London, Special Publication 30, 273-91.
21. Fitton, J. G., Dunlop, H. M., 1985. The Cameroon line, West Africa and its bearing on the origin of oceanic and continental alkali basalt. Earth planet. Sci Lett. 12, 23-38.
22. Fitton, J. G., Hughes, D. J, 1977. Petrochemistry of the volcanic rocks of the island of Pnncipe, Gulf of Guinea Contr Miner. Petrol. 64, 257-72.
23. Fitton, J. G., Kilburn, C. R. J., Thirlwall, M F., & Hughes, D. J., 1983. 1982 eruption of Mt. Cameroon, West Africa. Nature, 306, 327-32.
24. Freeth, S. J., 1979. Deformation of the African plate as a consequence of membrane stress domains generated by post-Jurassic drift. Earth planet. Set. Lett. 45, 93-104.
25. Galer, S J G, & O'Nions, R. K., 1985 Residence time of thorium, uranium and lead in the mantle with implications for mantle convection. Nature, 316, 778-82.
26. Garlick, G. D., & Dymond, J. R., 1970. Oxygen isotope exchange between volcanic materials and ocean water. Geol. Soc. Am. Bull. 81, 213-72.
27. Gazel, J, 1956 Carte ge'ologique du Cameroun au 1/1, 000, 000. Direction des Mines et de la Geologie du Cameroun, Paris.
28. Gonni, M. A, & Bryan, G. M., 1976. The tectonic fabric of the Equatorial Atlantic and adjoining continental margins- Gulf of Guinea to northeastern Brazil. An Acad. Bras Cienc. 48 (Supplement), 101-19.
29. Halliday, A. N., 1984. Coupled Sm-Nd and U-Pb systematics in late Caledonian granites and the basement under northern Britain. Nature 307, 229-33.
30. Halliday, A. N., Fallick, A. E., Dickin, A. P., Mackenzie, A. B., Stephens, W. F., & Hildreth, W., 1983. The isotopic and chemical evolution of Mount St Helens. Earth planet. Sci. Lett. 63, 241-56.
31. Halliday, A. N., Fallick, A. E., Hutchinson, H., & Hildreth, W., 1984 A Nd, Sr and O isotopic investigation into the causes of chemical and isotopic zonation in the Bishop Tuff, California. Contr. Miner. Petrol 68, 379-91.
32. Mahood, G., & Hildreth, W., 1985a. Mantle signature for high-silica rhyolites with I ppm Sr: Sierra La Primavera, Mexican Volcanic'feelt (MVB). Trans. Am. Geophys. Un. 66, 1136.
33. Stephens, W. E., Hunter, R. H, Menzies, M. A., Dickin, A. P., & Hamilton, P. J., 1985b. Isotopic and chemical constraints on the building of the deep Scottish hithosphere. Scott. J Geol. 21, 465-91.
34. Hart, S. R., 1984. A large-scale isotope anomaly in the Southern Hemisphere mantle Nature, 309, 75-757.
35. Hart, S. R Staudigel, H., 1982. The control of alkalies and uranium in seawater by ocean crust alteration. Earth planet Sci Z^ff. 58, 202-12
36. Hatton, K., & Muehlenbachs, K., 1982 Oxygen isotope ratios of the Icelandic crust J geophys. Res 87, 6559-65.
37. Hawkesworth, C. J., Erlank, A. J., Marsh, J S, Menzies, M. A., & Van Calsteren, P., 1983. Evolution of the continental hthosphere: evidence from volcanic and xenoliths in southern Africa. In' Hawkesworth, C. J, & Norry, M J., (eds) Continental Basalts and Mantle Xenoliths. Shiva, 111-38.
38. Hofmann, A. W., Jochum, K. P., Seufert, M., & White, W. M., 1986. Nb and Pb in oceanic basalts: new constraints on mantle evolution Earth planet Sci. Lett. 79, 33-45.
39. Hofmann, A. W., White, W M., 1982. Mantle plumes from ancient oceanic crust. Contr. Miner. Petrol 57, 421-36.
40. Kramers, J. D., 1987. Link between Archaean continent formation and anomalous sub-continental mantle. Nature, 325, 47-50.
41. Kyser, T K., 1986. Stable isotope variations in the mantle. In: Valley, J. W., Taylor, H. P. Jr. and O'Neil, J R. (eds.) Stable Isotopes in High Temperature Geological Processes. Rev. Miner. Min. Soc. Amer. 16, 141-64
42. Kyser, T K., O'Neil, J. R., & Carmichael, I. S. E., 1982 Genetic relations among basic lavas and ultramafic nodules: evidence from oxygen isotope compositions. Contr. Miner. Petrol. 81, 88-102.
43. Macintyre, R. M., 1977. Anorogenic magmatism, plate motion and Atlantic evolution. J. geol Soc. Lond. 133, 375-84.
44. McCulloch, M. T., Gregory, R. T., Wasserburg, G. J., & Taylor, H. P. Jr., 1980 A neodymium, strontium, and oxygen isotopic study of the Cretaceous Samail ophiolite and implications for the petrogenesis and seawaterhydrothermal alteration of oceanic crust. Earth planet. Sci Lett. 201-11.
45. McDonough, W. F., McCulloch, M. T., & Sun, S. S., 1985. Isotopic and geochemical systematics in Tertiary- Recent basalts from southeastern Australia and implications for the evolution of the subcontinental lithosphere. Geochim. cosmochim. Ada, 49, 2051-67.
46. McKenzie, D. P., 1985. The extraction of magma from the crust and mantle. Earth planet. Sci Lett. 74, 81-9.
47. McKenzie, D. P. O'Nions, R. K., 1983. Mantle reservoirs and ocean island basalts. Nature, 301, 229-31
48. Menzies, M. A., 1986. Isotopic domains analogous to "lower and upper crust" in the lithosphenc mantle. Terra Cognita, 6, 246-7.
49. Menzies, M. A., Halliday, A. N., Palacz, Z., Hunter, R. H., Upton, B G. J., Asien, P., & Hawkesworth, C. J., 1987 Evidence from mantle xenoliths for an enriched lithosphenc keel under the Outer Hebrides. Nature, 325, 44-47.
50. Menzies, M. A., Leeman, W. P., & Hawkesworth, C. J., 1984. Geochemical and isotopic evidence for the origin of continental flood basalts with particular reference to the Snake River Plain, Idaho, U.S.A. Phil. Trans. R. Soc. Lond. A310, 643-60.
51. Menzies, M. A., Murthy, V. R., 1980. Mantle metasomatism as a precursor to the genesis of alkaline magmas—isotopic evidence Am. J. Sci. 280A, 622-38.
52. Miller, R. G., & O'Nions, R K., 1984. The provenance and crustal residence ages of British sediments in relation to palaeogeographic reconstructions. Earth planet. Sci. Lett. 68, 459-70.
53. Mitchell-Thome', R. C, 1970. Geology of the South Atlantic Islands. Berlin & Stuttgart: Gebruder Borntraeger.
54. Morris, J. D., & Hart, S. R., 1983. Isotopic and incompatible element constraints on the genesis of island arc volcanics from Cold Bay and Amak Island, Aleutians, and implications for mantle structure. Geochim, cosmochim. Ada, 47, 2015-30.
55. Muehlenbachs, K. , & Clayton, R. N., 1976. Oxygen isotope composition of the oceanic crust and its bearing on seawater. J. geophys. Res. 81, 4365-9.
56. Norry, M. J., Truckle, P. H., Lippard, S. J., Hawkesworth, C. J., Weaver, S. D., & Marriner, G. Fn 1981. Isotope and trace element evidence from lavas bearing on mantle heterogeneity beneath Kenya. Phil. Trans. R. Soc. Lond. A297, 259-71.
57. O'Nions, R. K., Hamilton, P. J., & Evensen, N. M., 1977 Variations in '3Nd/'Nd and "Sr/^Sr ratios in oceanic basalts. Earth planet. Sci. Lett. 34, 13-22.
58. Palacz, Z. A, & Saunders, A. D., 1986. Coupled trace element and isotope enrichment in the Cook-Austral-Samoa Islands, S.W. Pacific. Earth planet. Sci. Lett. 79, 270-80.
59. Pollack, H. N., 1986. Cratonization and thermal evolution of the mantle. Contr. Miner. Petrol 80, 175-82.
60. Richardson, S. H., Erlank, A. J., Duncan, A. R., & Reid, D. L., 1982. Correlated Nd, Sr and Pb isotope variation in Walvis Ridge basalts and implications for the evolution of their mantle source. Contr. Miner. Petrol 59, 327-42.
61. Richardson, S. H., Gurney, J. J., Erlank, A. J., & Hams, J. W., 1984. Origin of diamonds in old enriched mantle. Nature, 310, 198-202.
62. Schilling, J.-G., 1985. Upper mantle heterogeneities and dynamics. Nature, 314, 62-7.
63. Schilling, J.-G., Thompson, G., Kingsley, R., & Humphris, S., 1985. Hotspot-migrating ridge interaction in the South Atlantic. Nature, 313, 187-91
64. Sclater, J. G., Parsons, B., & Jaupart, C, 1981. Oceans and continents: similarities and differences in the mechanisms of heat loss. J. geophys. Res. 86, 11535-52.
65. Sibuet, J.-C, & Mascle, J., 1978. Plate kinematic implications of Atlantic equatorial fracture zone trends. J. geophys. Res. 83, 3401-21.
66. Siedner, G., & Mitchell, J. G., 1976. Episodic Mesozoic volcanism in Namibia and Brazil: A K-Ar isochron study bearing on the opening of the South Atlantic. Earth planet. Sci. Lett. 30, 292-302.
67. Sleep, N. H., 1984. Tapping of magmas from ubiquitous mantle heterogeneities: an alternative to mantle plumes? J. geophys. Res. 89, 10029-41.
68. Sun, S.-S., 1980. Lead isotopic study of young volcanic rocks from mid-ocean ridges, ocean islands and island arcs. Phil. Trans. R. Soc. Lond. A297, 409-45.
69. Sun, S.-S., 1985. Ocean islands—plums or plume? Nature, 316, 103-4.
70. Tatsumoto, M., 1978. Isotopic composition of lead in oceanic basalt and its implication to mantle evolution. Earth planet Sci. Lett. 38, 63-87.
71. Van Houten, F. B., 1983. Sirte Basin, north-central Libya; Cretaceous rifting above a fixed mantle hotspot? Geology, 11, 115-8.
72. Vidal, P., Chauvel, G, & Brousse, R., 1984. Large mantle heterogeneity beneath French Polynesia. Nature, 307, 536-8.
73. Vollmer, R., & Norry, M. J., 1983. Unusual isotopic variations in Nyiragongo nephelinites. Nature, 301, 141-3.
74. Wass, S. Y., & Rogers, N. W., 1980. Mantle metasomatism-precursor to continental alkaline volcanism. Geochim cosmochim. Ada, 44, 1811-23.
75. Weiss, D., 1983. Pb isotopes in Ascension Island rocks: oceanic origin for the gabbroic to granitic plutonic xenoliths Earth planet. Sci. Lett. 62, 273-82.
76. White, W. M., 1985. Sources of oceanic basalts: Radiogenic isotope evidence. Geology, 13, 115-8
77. White, W. M., & Hofmann, A. W., 1982. Sr and Nd isotope geochemistry of oceanic basalts and mantle evolution. Nature, 196, 821-5.
78. Yuen, D. A., & Fleitout, L., 1985. Thinning of the lithosphere by small-scale convective destabilization. Nature, 313, 125-8.
79. Zindler, A., & Hart, SM 1986. Chemical geodynamics, Ann. Rev. Earth planet. Sci. 14, 493^571.
80. Zindler, A, Staudigel, H., & Batiza, R., 1984.Jsotope andtracc-elemen geochemistry-of-young Pacific seamounts: implications for the scale of upper mantle heterogeneity. Earth planet. Sci. Lett. 70, 175-95.