Mineralogy and dynamics of a pyrolite lower mantle

Nature

Volumn 393, Issue 6682, 1998, Pages 252-255

  Kesson, S E ^a   Fitz Gerald, J D ^a   Shelley, J M ^a  

^a AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

MINERAL; PYROLYTIC CARBON;

CARBON CYCLING; CLIMATIC CHANGE; ECOSYSTEM RESPONSE; EOSYSTEM RESPONSE; GLOBAL CHANGE; TERRESTRIAL ECOSYSTEM; TERRESTRIAL EOSYSTEM;

ARTICLE; CHEMISTRY; DENSITY; GEOLOGY; HEATING; PRESSURE; PRIORITY JOURNAL; THERMAL ANALYSIS;

EID: 7144223397     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/30466     Document Type: Article

References (29)

1. Anderson, O. L. Finding the isentropic density of perovskite: implications for iron concentration in the lower mantle. Geophys. Res. Lett. 24, 213-216 (1997).
2. Jackson, I. & Rigden, S. M. in The Earth's Mantle: Composition, Structure and Evolution (ed. Jackson, I.) 405-460 (Cambridge Univ. Press, 1998).
3. 3 perovskite and a comparison with the lower mantle. Phys. Earth Planet. Inter. 98, 65-77 (1996).
4. O'Neill, B. & Jeanloz, R. Experimental petrology of the lower mantle: A natural peridotite taken to 54 GPa. Geophys. Res. Lett. 77, 1477-1480 (1990).
5. Irifune, T. Absence of an aluminous phase in the upper part of the Earth's lower mantle. Nature 370, 131-133 (1994).
6. Ahmed-Zaïd, I. & Madon, M. Electron microscopy of high-pressure phases synthesized from natural garnets, kyanite and anorthite in a diamond anvil cell. Earth Planet. Sci. Lett. 129, 233-247 (1995).
7. 3) in the Earth's mantle. Science 274, 1357-1359 (1996).
8. 3 between magnesian silicate perovskite and magnesiowüstite: implications for the origin of inclusions in diamond and the composition of the lower mantle. Earth Planet. Sci. Lett. 111, 229-240 (1991).
9. Mao, H. K., Shen, G. & Hemley, R. J. Multivariable dependence of Fe-Mg partitioning in the lower mantle. Science 278, 2098-2100 (1997).
10. Wood, B. J. & Rubie, D. C. The effect of alumina on phase transformations at the 660 km discontinuity from Fe-Mg partitioning experiments. Science 273, 1522-1524 (1996).
11. Dziewonski, A. M. & Anderson, D. L. Preliminary reference Earth model. Phys. Earth Planet. Inter. 25, 297-356 (1981).
12. Chopelas, A. & Boehler, R. Thermal expansivity in the lower mantle. Geophys. Res. Lett. 19, 1983-1986 (1992).
13. van der Hilst, R., Widiyantoro, S. & Engdahl, E. R. Evidence for deep mantle circulation from global tomography. Nature 386, 578-584 (1997).
14. Grand, S. & Helmberger, D. V. Upper mantle shear structure of North America. Geophys. J. R. Astron. Soc. 76, 399-438 (1984).
15. Faust, J. & Knittle, E. The stability and equation of state of majoritic garnet synthesised from natural basalt at mantle conditions. Geophys. Res. Lett. 23, 3377-3380 (1996).
16. Kesson, S. E., Fitz Gerald, J. D. & Shelley, J. M. Mineral chemistry and density of subducted basaltic crust at lower mantle pressures. Nature 372, 767-769 (1994).
17. Irifune, T. & Ringwood, A. E. Phase transformations in subducted oceanic crust and buoyancy relationships at depths of 600-800 km in the mantle. Earth Planet. Sci. Lett. 117, 101-110 (1993).
18. Christensen, U. R. & Hofmann, A. W. Segregation of subducted oceanic crust in the convecting mantle. J. Geophys. Res. 89, 4389-4402 (1994).
19. Griffiths, R. & Campbell, I. Stirring and structure in mantle plumes. Earth Planet. Sci. Lett. 99, 66-78 (1990).
20. 3 perovskite: constraints on composition of the lower mantle. Phys. Earth Planet. Inter. 83, 13-40 (1994).
21. 3 perovskite. J. Geophys. Res. 101, 661-672 (1996).
22. 4. Phys. Chem. Minerals 24, 340-344 (1997).
23. 3 perovskite. Phys. Earth Planet. Inter. 98, 31-46 (1996).
24. Li, B., Rigden, S. M. & Liebermann, R. C. Elasticity of stishovite at high pressure. Phys. Earth Planet. Inter. 96, 113-128 (1996).
25. Ita, J. & Stixrude, L. Petrology, elasticity and composition of the mantle transition zone. J. Geophys. Res. 97, 6849-6866 (1992).
26. Niu, Y. & Batiza, R. An empirical method for calculating melt compositions produced below mid-ocean ridges; application for axis and off-axis (seamounts) melting. J. Geophys. Res. 96, 21753-21777 (1991).
27. O'Neill, H. S. C. & Palme, H. in The Earth's Mantle: Composition, Structure and Evolution (ed. Jackson, I.) 3-128 (Cambridge Univ. Press, 1998).
28. Ringwood, A. E. Origin of the Earth and Moon (Springer, New York, 1979).
29. Kesson, S. E., Fitz Gerald, J. D. & Shelley, J. M. G. Phase relations, structure and crystal chemistry of some aluminous silicate perovskites. Earth Planet. Sci. Lett. 134, 187-201 (1995).