Geotectonic bipolarity - Evidence of bicellular convection in the Earth's mantle

South African Journal of Geology

Volumn 100, Issue 4, 1997, Pages 291-299

  Pavoni, N ^a  

^a ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

CONVECTION; MANTLE; PLATE TECTONICS;

EID: 0031401118     PISSN: 10120750     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (41)

1. Bercovici, D., Schubert, G. & Glatzmaier, O.A. (1989). Three-dimensional spherical models of convection in the Earth's mantle. Science, 244, 950-955.
2. Chase, C.G. (1979). Subduction, the geoid, and lower mantle convection. Nature, 282, 464-468.
3. Crough, S.T. & Jurdy, D.M. (1980). Subducted lithosphere, hotspots, and the geoid. Earth planet. Sci. Lett., 48, 15-22.
4. Dziewonski, A.M. (1984). Mapping the lower mantle; Determination of lateral heterogeneity in P velocity up to degree and order 6. J. Geophys. Res., 89, 5929-5952.
5. Fairhead, J.D. & Sinks, R.M. (1991). Differential opening of the Central and South Atlantic Oceans and the opening of the West African rift system. Tectonophysics, 187, 191-203.
6. Frisch, W. & Loeschke, J. (1993). Plattentektonik. Wiss. Buchg., Darmstadt., XIII+343 pp.
7. Giardini, D., Li, X.-D. & Woodhouse, J.H. (1987). Three-dimensional structure of the Earth from splitting in free-oscillation spectra. Nature, 325, 405-411.
8. Hager, B.H. (1984). Subducted slabs and the geoid: Constraints on mantle rheology and flow. J. Geophys. Res., 89, 6003-6015.
9. Handschumacher, D.W., Sager, W.W., Hilde, Th.W.C. & Bracey, D.R. (1988). Pre-Cretaceous tectonic evolution of the Pacific plate and extension of the geomagnetic polarity reversal time scale with implications for the origin of the Jurassic 'Quiet Zone'. In: Scotese, C.R. & Sager, W.W. (Eds.), Mesozoic and Cenoioic Plate Reconstructions. Tectonophysics, 155, 365-380.
10. Hilde, Th.W.C., Uyeda, S. & Kroenke, L. (1977). Evolution of the western Pacific and its margins. Tectonophysics, 38, 145-165.
11. Howell, D.G. (Ed.) (1985). Tectonostratigraphic Terranes of the Circum-Pacific Region. Circum-Pacific Coun. Energy Miner. Resour, Earth Sci. Ser., Houston, 1, IX + 585 pp.
12. Lancelot, Y. & Larson, R.L. (1990). Jurassic oceanic crust and sediments in the Pacific, at last. Ocean Drilling Program, Leg 129. Geotimes, June 1990, 25-26.
13. Larson, R.L. & Chase, C.G. (1972). Late Mesozoic evolution of the western Pacific ocean. Bull. geol. Soc. Am., 83, 3627-3644.
14. _ & Pitman, W.C., III (1972). World-wide correlation of Mesozoic magnetic anomalies, and its implications. Bull. geol. Soc. Am., 83, 3645-3662.
15. _, Steiner, M.B., Erba, E. & Lancelot, Y. (1992). Paleolatitudes and tectonic reconstructions of the oldest portion of the Pacific plate: a comparative study. In: Larson R.L., Lancelot, Y. et al. (Eds.), Proc. Ocean Drilling Program, Scientific Results, 129, 615-631.
16. Machetel, Ph. & Yuen, D.A. (1987). Chaotic axisymmetrical spherical convection and large-scale mantle circulation. Earth Planet. Sci. Lett., 86, 93-104.
17. Masters, G., Jordan, T.H., Silver, P.G. & Gilbert, F. (1982). Aspherical Earth structure from fundamental spheroidal-mode data. Nature, 298, 609-613
18. Matyska, C. (1995). Axisymmetry of mantle aspherical structures. Geophys. Res. Lett., 22, 521-524.
19. _, Moser, J. & Yuen, D.A. (1994). The potential influence of radiative heat transfer on the formation of megaplumes in the lower mantle. Earth Planet. Sci. Lett., 125, 255-266.
20. Montagner, J.P. & Tanimoto, T. (1990). Global anisotropy in the upper mantle inferred from regionalization of phase velocities. J. Geophys. Res., 95, 4797-4819.
21. Pavoni, N. (1962). Rotierende Felder in der Erdkruste. Proc. First Int. Symp. Recent Crustal Movements, Leipzig 1962. Abh. Deutsch. Akad. Wiss. Berlin, Kl. Bergbau Hüttenwesen und Montangeologie, 2, 257-270.
22. _ (1969). Zonen lateraler horizontaler Verschiebung in der Erdkruste und daraus ableitbare Aussagen zur globalen Tektonik. Geol. Rasch., 59, 56-77.
23. _ (1971). Gesetzmässigkeiten in der Anordnung ozeanischer Rücken. Umschau, 1971, 318-319.
24. _ (1981). A global geotectonic reference system inferred from Cenozoic tectonics. Geol. Rdsch., 70, 189-206.
25. _ (1983). Erdbeben und globale Tektonik. Vierteljahrsschrift der Naturforschenden Ges. Zürich, 128, 213-231.
26. _ (1985). Die pazifisch-antipazifische Bipolarität im Strukturbild der Erde und ihre geodynamische Deutung. Geol. Rdsch., 74, 251-266.
27. _ (1988). Das bipolare geotektonische Modell. Ein Versuch zur Beschreibung der grossräumigen Bewegungsvorgänge im Erdmantel. Geogr. Rdsch., 40/10, 58-64.
28. _ (1991). Bipolarity in structure and dynamics of the Earth's mantle. Eclogae geol. Helvetiae, 84, 327-343.
29. _ (1992). Rifting of Africa and pattern of mantle convection beneath the African plate. Tectonophysics, 215, 35-53.
30. _ (1993). Pattern of mantle convection and Pangaea break-up, as revealed by the evolution of the African plate. J. geol. Soc. Lond., 150, 953-964.
31. Renkin, M.L. & Sclater, J.G. (1988). Depth and age in the North Pacific. J. Geophys. Res., 93, 2919-2935.
32. Richards, M.A., Hager, B.H. & Sleep, N.H. (1988). Dynamically supported geoid highs over hot spots: observation and theory. J. Geophys. Res., 93, 7690-7708.
33. Sager, W.W., Handschumacher, D.W., Hilde, Th.W.C. & Bracey, D.R. (1988). Tectonic evolution of the northern Pacific plate and Pacific-Farallon-Izanagi triple junction in the Late Jurassic and Early Cretaceous (M21-M10). In: Scotese, C.R. & Sager, W.W. (Eds.), Mesozoic and Cenozoic Plate Reconstructions. Tectonophysics, 155, 345-364.
34. Schubert, G., Bercovici, D. & Glatzmaier, G.A. (1990). Mantle dynamics in Mars and Venus: Influence of an immobile lithosphere on three-dimensional mantle convection. J. Geophys. Res., 95, 14 105-14 129.
35. Scotese, Ch.R., Gahangan, L.M. & Larson, R.L. (1988). Plate tectonic reconstructions of Cretaceous and Cenozoic ocean basins. In: Scotese, C.R. & Sager, W.W. (Eds.), Mesoioic and Cenozoic Plate Reconstructions. Tectonophysics, 155, 27-48.
36. Sharman, G.F. & Risch, D.L. (1988). Northwest Pacific tectonic evolution in the Middle Mesozoic. In: Scotese, C.R. & Sager, W.W. (Eds.), Mesozoic and Cenozoic Plate Reconstructions. Tectonophysics, 155, 331-344.
37. Tanimoto, T. (1990). Long-wavelength S-wave velocity structure throughout the mantle. Geophys. J. Int., 100, 327-336.
38. _ & Anderson, D.L. (1985). Lateral heterogeneity and azimuthal anisotropy of the upper mantle: Love and Rayleigh waves 100-250 s. J. Geophys. Res., 90, 1842-1858.
39. Tromp, J. & Zanzerkia, E. (1995). Toroidal splitting observations from the great 1994 Bolivia and Kuril Island earthquakes. Geophys. Res. Lett., 22, 2297-2300.
40. Woodhouse, J.H. & Dziewonski, A.M. (1984). Mapping the upper mantle: Three-dimensional modeling of Earth structure by inversion of seismic waveforms. J. Geophys. Res., 89, 5953-5986.
41. _ & _ (1989). Seismic modelling of the Earth's large-scale three-dimensional structure. Phil. Trans. R. Soc. Lond. A, 328, 291-308.