Geochemical processing in a three-dimensional regional spherical shell model of mantle convection

Geochemistry, Geophysics, Geosystems

Volumn 8, Issue 11, 2007, Pages

  Huang, Jinshui ^a,b   Davies, Geoffrey F ^a  

^a AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^b UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

Author keywords

3 D model; Geochemical heterogeneity; Geochemical stirring; Thermal chemical convection

Indexed keywords

EID: 71749096363     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2007GC001625     Document Type: Article

References (47)

1. Allegre, C. J., and D. L. Turcotte (1985), Geodynamic mixing in the mesosphere boundary-layer and the origin of oceanic islands, Geophys. Res. Lett., 12(4), 207-210.
2. Benn, K., J.-C. Mareschal, and K. C. Condie (Eds.) (2006), Archean Geodynamics and Environments, Geophys. Monogr. Ser., vol.164, AGU, Washington, D. C.
3. Brandenburg, J. P., and P. E. van Keken (2007), Deep storage of oceanic crust in a vigorously convecting mantle, J. Geophys. Res., 112, B06403, doi:10.1029/2006JB004813. (Pubitemid 47354858)
4. Christensen, U. (1989), Mixing by time-dependent convection, Earth Planet. Sci. Lett., 95(3-4), 382-394.
5. Christensen, U. (1990), Reply to comment on "Mixing by time-dependent convection," Earth Planet. Sci. Lett., 98, 408-410.
6. Christensen, U. R., and A. W. Hofmann (1994), Segregation of subducted oceanic crust in the convecting mantle, J. Geophys. Res., 99(B10), 19,867-19,884.
7. Davies, G. F. (1990a), Comment on "Mixing by timedependent convection" by U. Christensen, Earth Planet. Sci. Lett., 98(3-4), 405-407.
8. Davies, G. F. (1990b),Mantle plumes, mantle stirring and hotspot chemistry, Earth Planet. Sci. Lett., 99(1-2), 94-109.
9. Davies, G. F. (1992), On the emergence of plate tectonics, Geology, 20(11), 963-966.
10. Davies, G. F. (1999a), Dynamic Earth: Plates, Plumes and Mantle Convection, Cambridge Univ. Press, Cambridge, U. K.
11. Davies, G. F. (1999b), Geophysically constrained mantle massflows and the Ar-40 budget: A degassed lower mantle?,Earth Planet. Sci. Lett., 166(3-4), 149-162.
12. Davies, G. F. (2002), Stirring geochemistry in mantle convection models with stiff plates and slabs, Geochim. Cosmochim. Acta, 66(17), 3125-3142.
13. Davies, G. F. (2006), Gravitational depletion of the early Earth's upper mantle and the viability of early plate tectonics, Earth Planet. Sci. Lett., 243(3-4), 376-382.
14. Ferrachat, S., and Y. Ricard (1998), Regular vs. chaotic mantle mixing, Earth Planet. Sci. Lett., 155(1-2), 75-86.
15. Grand, S. P. (1994), Mantle shear structure beneath the Americas and surrounding oceans, J. Geophys. Res., 99(B6), 11,591-11,622.
16. Grand, S. P. (2002), Mantle shear-wave tomography and the fate of subducted slabs, Philos. Trans. R. Soc. London, Ser. A, 360(1800), 2475-2491.
17. Gurnis, M. (1986a), The effects of chemical density differences on convective mixing in the Earth's mantle, J. Geophys. Res., 91(B11), 1407-1419.
18. Gurnis, M. (1986b), Stirring and mixing in the mantle by platescale flow: Large persistent blobs and long tendrils coexist, Geophys. Res. Lett., 13(13), 1474-1477.
19. Hager, B. H. (1984), Subducted slabs and the geoid: Constraints on mantle rheology and flow, J. Geophys. Res., 89(B7), 6003-6015.
20. Harrison, T. M., J. Blichert-Toft, W. Mü ller, F. Albarede, P. Holden, and S. J. Mojzsis (2005), Heterogeneous Hadean hafnium: Evidence of continental crust at 4.4 to 4.5 Ga, Science, 310, 1947-1950.
21. Hoffman, N. R. A., and D. P. McKenzie (1985), The destruction of geochemical heterogeneities by differential fluid motions during mantle convection, Geophys. J. R. Astron. Soc., 82(2), 163-206.
22. Hofmann, A. W. (1997), Mantle geochemistry: The message from oceanic volcanism, Nature, 385(6613), 219-229.
23. Hofmann, A. W., and S. R. Hart (1978), An assessment of local and regional isotopeic equilibrium in the mantle, Earth Planet. Sci. Lett., 38, 4-62.
24. Hofmann, A. W., and W. M. White (1982), Mantle plumes from ancient oceanic crust, Earth Planet. Sci. Lett., 57(2), 421-436.
25. Huang, J., and G. F. Davies (2007a), Stirring in threedimensional mantle convection models and implications for geochemistry: 2. Heavy tracers, Geochem. Geophys. Geosyst., 8, Q07004, doi:10.1029/2007GC001621.
26. Huang, J., and G. F. Davies (2007b), Stirring in three-dimensional mantle convection models and implications for geochemistry: Passive tracers, Geochem. Geophys. Geosyst., 8, Q03017, doi:10.1029/2006GC001312.
27. Hunt, D. L., and L. H. Kellogg (2001), Quantifying mixing and age variations of heterogeneities in models of mantle convection: Role of depth-dependent viscosity, J. Geophys. Res., 106(B1), 6747-6759.
28. Kellogg, L. H., and D. L. Turcotte (1987), Homogenization of the mantle by convective mixing and diffusion, Earth Planet. Sci. Lett., 81(4), 371-378.
29. Kellogg, L. H., and D. L. Turcotte (1990), Mixing and the distribution of heterogeneities in a chaotically convecting mantle, J. Geophys. Res., 95(B1), 421-432.
30. Korenaga, J. (2003), Energetics of mantle convection and the fate of fossil heat, Geophys. Res. Lett., 30(8), 1437, doi:10.1029/2003GL016982.
31. McKenzie, D. P., and M. J. Bickle (1988), The volume and composition of melt generated by extension of the lithosphere, J. Petrol., 29, 625-679.
32. Moresi, L. N., and M. Gurnis (1996), Constraints on lateral strength of slabs from 3-D dynamic flow models, Earth Planet. Sci. Lett., 138, 15-28.
33. Richards, M. A., and D. C. Engebretson (1992), Large-scale mantle convection and the history of subduction, Nature, 355(6359), 437-440.
34. Richards, M. A., and B. H. Hager (1984), Geoid anomalies in a dynamic Earth, J. Geophys. Res., 89(B7), 5987-6002.
35. Schmalzl, J., G. A. Houseman, and U. Hansen (1995), Mixing properties of 3-dimensional (3-D) stationary convection, Phys. Fluids, 7(5), 1027-1033.
36. Schmalzl, J., G. A. Houseman, and U. Hansen (1996), Mixing in vigorous, time-dependent three-dimensional convection and application to Earth's mantle, J. Geophys. Res., 101(B10), 21,847-21,858.
37. Turcotte, D. L., and G. Schubert (2002), Geodynamics, Cambridge Univ. Press, Cambridge, U. K.
38. van der Hilst, R. D., S. Widiyantoro, and E. R. Engdahl (1997), Evidence for deep mantle circulation from global tomography, Nature, 386(6625), 578-584.
39. van Keken, P., and S. J. Zhong (1999), Mixing in a 3D spherical model of present-day mantle convection, Earth Planet. Sci. Lett., 171(4), 533-547.
40. van Keken, P. E., and C. J. Ballentine (1998), Whole-mantle versus layered mantle convection and the role of a highviscosity lower mantle in terrestrial volatile evolution, Earth Planet. Sci. Lett., 156(1-2), 19-32.
41. van Keken, P. E., and C. J. Ballentine (1999), Dynamical models of mantle volatile evolution and the role of phase transitions and temperature-dependent rheology, J. Geophys. Res., 104(B4), 7137-7151.
42. van Keken, P. E., C. J. Ballentine, and D. Porcelli (2001), A dynamical investigation of the heat and helium imbalance, Earth Planet. Sci. Lett., 188(3-4), 421-434.
43. van Keken, P. E., E. H. Hauri, and C. J. Ballentine (2002), Mantle mixing: The generation, preservation, and destruction of chemical heterogeneity, Annu. Rev. Earth. Planet. Sci., 30, 493-525.
44. Xie, S. X., and P. J. Tackley (2004a), Evolution of helium and argon isotopes in a convecting mantle, Phys. Earth Planet. Inter., 146(3-4), 417-439.
45. Xie, S., and P. J. Tackley (2004b), Evolution of U-Pb and Sm-Nd systems in numerical models of mantle convection and plate tectonics, J. Geophys. Res., 109, B11204, doi:10.1029/2004JB003176. (Pubitemid 40294838)
46. Yasuda, A., T. Fujii, and K. Kurita (1994), Melting phase relations of an anhydrous mid-ocean ridge basalt from 3 to 20 Gpa: Implications for the behavior of subducted oceanic crust in the mantle, J. Geophys. Res., 99, 9401-9414.
47. Zhong, S. (2006), Constraints on thermochemical convection of the mantle from plume heat flux, plume excess temperature, and upper mantle temperature, J. Geophys. Res., 111, B04409, doi:10.1029/2005JB003972. (Pubitemid 43842383)