Thermal constraints on the survival of primitive blobs in the lower mantle

Earth and Planetary Science Letters

Volumn 171, Issue 3, 1999, Pages 351-365

  Becker, T W ^a   Kellogg, J B ^a   O'Connell, R J ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

Convection; Isotopes; Mantle; Models; Noble gases

Indexed keywords

ISOTOPIC COMPOSITION; LOWER MANTLE; MANTLE CONVECTION; NOBLE GAS;

EID: 0032762354     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(99)00160-0     Document Type: Article

References (43)

1. B. Dupre C.J. Allègre Pb Sr isotope variation in Indian Ocean basalts and mixing phenomena Nature 303 1983 142 146
2. M. Gurnis Quantitative bounds on the size spectrum of isotopic heterogeneity within the mantle Nature 323 1986 317 320
3. C.J. Allègre D.L. Turcotte Implications of a two-component marble-cake mantle Nature 323 1986 123 127
4. A. Zindler S.R. Hart Chemical geodynamics Annu. Rev. Earth Planet. Sci. 14 1986 493 571
5. M.D. Kurz W.J. Jenkins S.R. Hart D. Clague Helium isotopic variations in volcanic rocks from Loihi Seamount and the Island of Hawaii Earth Planet. Sci. Lett. 66 1983 388 406
6. K.A. Farley J.H. Natland H. Craig Binary mixing of enriched and undegassed (primitive-questionable) mantle components (He, Sr, Nd, Pb) in Samoan Iavas Earth Planet. Sci. Lett. 111 1992 183 199
7. S.R. Hart A. Zindler Constraints on the nature and development of chemical heterogeneities in the mantle W.R. Peltier Mantle Convection: Plate Tectonics and Global Dynamics 1989 Gordon and Breach New York 261 387
8. S. Jacobsen G. Wasserburg The mean age of mantle and crustal reservoirs J. Geophys. Res. 84 1979 7411 7427
9. C.J. Allègre A. Hofmann K. O'Nions The Argon constraints on mantle structure Geophys. Res. Lett. 23 1996 3555 3557
10. 40Ar budget: a degassed lower mantle? Earth Planet. Sci. Lett. 166 1999 149 162
11. H.-P. Bunge M.A. Richards J.R. Baumgardner Effect of depth-dependent viscosity on the planform of mantle convection Nature 379 1996 436 438
12. P. Puster T.H. Jordan How stratified is mantle convection? J. Geophys. Res. 102 1997 7625 7646
13. R.D. van der Hilst S. Widiyantoro E.R. Engdahl Evidence of deep mantle circulation from global tomography Nature 386 1997 578 584
14. S.P. Grand R.D. van der Hilst S. Widiyantoro Global seismic tomography; a snapshot of convection in the Earth GSA Today 7 1997 1 7
15. F. Albarède Time-dependent models of the U Th He and K Ar evolution and the layering of mantle convection Chem. Geol. 145 1998 413 429
16. P.G. Silver R.W. Carlson P. Olson Deep slabs, geochemical heterogeneity, an the large-scale structure of mantle convection: investigation of an enduring paradox Annu. Rev. Earth Planet. Sci. 16 1988 477 541
17. G.F. Davies M.A. Richards Mantle convection J. Geol. 100 1992 151 206
18. G.F. Davies Geophysical and isotopic constraints on mantle convection: an interim synthesis J. Geophys. Res. 89 1984 6017 6040
19. B.H. Hager Subducted slabs and the geoid: constraints on mantle rheology and flow J. Geophys. Res. 89 1984 6003 6015
20. M. Gurnis G.F. Davies The effect of depth-dependent viscosity on convective mixing in the mantle and the possible survival of primitive mantle Geophys. Res. Lett. 13 1986 541 544
21. P. van Keken C.J. Ballentine Whole-mantle versus layered mantle convection and the role of a high-viscosity lower mantle in terrestrial volatile evolution Earth Planet. Sci. Lett. 156 1998 19 32
22. S. Ferrachat Y. Ricard Regular vs. chaotic mantle mixing Earth Planet. Sci. Lett. 155 1998 75 86
23. J.B. Kellogg R.J. O'Connell Toroidal motion and mixing in three dimensions EOS 79 1998 S334
24. M. Manga Mixing of heterogeneities in the mantle: effect of viscosity differences Geophys. Res. Lett. 23 1996 403 406
25. M. Manga Interactions between mantle diapirs Geophys. Res. Lett. 24 1997 1871 1874
26. F.D. Stacey Physics of the Earth 3rd ed. 1992 Brookfield Press New York
27. A.M. Dziewonski D.L. Anderson Preliminary reference Earth model Phys. Earth Planet. Inter. 25 1981 297 356
28. G. Ranalli Rheology of the Earth 2nd ed. 1995 Chapman and Hall Kenmore, Australia
29. W.F. McDonough S.-s. Sun The composition of the earth Chem. Geol. 120 1995 223 253
30. H.S. Carslaw J.C. Jaeger Conduction of Heat in Solids 2nd ed. 1959 Oxford University Press London 243
31. S.E. Kesson J.D. Fitz Gerald J.M. Shelley Mineralogy and dynamics of a pyrolite lower mantle Nature 393 1998 252 254
32. S.-i. Karato Rheology of the lower mantle Phys. Earth Planet. Inter. 24 1981 1 14
33. A.P. van den Berg D.A. Yuen The role of shear heating in lubricating mantle flow Earth Planet. Sci. Lett. 151 1997 33 42
34. N. Laws R. McLaughlin Self-consistent estimates for the viscoelastic creep compliances of composite materials Proc. R. Soc. London A 359 1978 251 273
35. A. Zerr R. Boehler Constraints on the melting temperature of the lower mantle from high-pressure experiments on MgO and magnesiowustite Nature 371 1994 506 508
36. J. Weertman The creep strength of the Earth's mantle Rev. Geophys. Space Phys. 8 1970 145 168
37. W.-j. Su A.M. Dziewonski Simultaneous inversion for 3-D variations in shear and bulk velocity in the mantle Phys. Earth Planet. Inter. 100 1997 135 156
38. B.L.N. Kennett S. Widiyantoro R.D. van der Hilst Joint seismic tomography for bulk sound and shear wave speed in the Earth's mantle J. Geophys. Res. 103 1998 12469 12493
39. J.H. Davies O. Gudmundsson R.W. Clayton Spectra of mantle shear wave velocity structure Geophys. J. Int. 108 1992 565 582
40. D.L. Anderson A seismic equation of state, II, Shear properties and thermodynamics of the lower mantle Earth Planet. Sci. Lett. 45 1987 307 323
41. p of the lower mantle Pure Appl. Geophys. 146 1996 533 549
42. 3 perovskite and a comparison with the lower mantle Phys. Earth Planet. Inter. 98 1996 65 77
43. F.D. Stacey Thermoelasticity of a mineral composite and a reconsideration of lower mantle properties Phys. Earth Planet. Inter. 106 1998 219 236