Uranium in the Earth's lower mantle

Geophysical Research Letters

Volumn 33, Issue 23, 2006, Pages

  Gautron, Laurent ^a   Greaux, Steeve ^a   Andrault, Denis ^b,c   Bolfan Casanova, Nathalie ^c   Guignot, Nicolas ^d   Bouhifd, M Ali ^e  

^a UNIVERSITÉ GUSTAVE EIFFEL   (France)

^b UNIVERSITÉ PIERRE ET MARIE CURIE   (France)

^c UNIVERSITÉ BLAISE PASCAL   (France)

^d EUROPEAN SYNCHROTRON RADIATION FACILITY   (France)

^e UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC THERMODYNAMICS; EARTH (PLANET); HEAT FLUX; PEROVSKITE; RADIOGENIC GASES;

EARTH LOWER MANTLE; GEODYNAMICS;

URANIUM;

GEODYNAMICS; HEAT SOURCE; LOWER MANTLE; PEROVSKITE; RADIOACTIVE DECAY; URANIUM;

EID: 34548653552     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL027508     Document Type: Article

References (22)

1. Albarède, F. (2005), The survival of mantle geochemical heterogeneities, in Earth's Deep Mantle: Structure, Composition and Evolution, Geophys. Monogr. Ser., vol. 160, edited by R. D. van der Hilst et al., pp. 27-46, AGU, Washington, D. C.
2. 3 perovskite, Am. Mineral., 83, 1045-1053.
3. 3 perovskite-melt partitioning of trace elements: Implications for gross mantle differentiation, Geophys. Res. Lett., 29(19), 1933, doi:10.1029/ 2001GL014398.
4. Corgne, A., and B. J. Wood (2004), Trace element partitioning between majoritic garnet and silicate melt at 25 GPa, Phys. Earth Planet. Inter., 143-144, 407-419.
5. Corgne, A., C. Liebske, B. J. Wood, D. C. Rubie, and D. J. Frost (2005), Silicate perovskite-melt partitioning of trace elements and geochemical signature of a deep perovskitic reservoir, Geochim. Cosmochim. Acta, 69, 485-496.
6. Davaille, A. (1999), Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle, Nature, 402, 756-760.
7. 2 at 14 GPa, Phys. Earth Planet. Inter., 97, 71-81.
8. 11, Phys. Chem. Miner., 27, 47-51.
9. Helffrich, G. R., and B. I. Wood (2001), The Earth's mantle, Nature, 412, 501-507.
10. Hirose, K. (2002), Phase transitions in the pyrolitic mantle around 670-km depth: Implications of upwellings of plumes from the lower mantle, J. Geophys. Res., 107(B4), 2078, doi:10.1029/2001JB000597.
11. Hirose, K., S. Nobumichi, W. Van Westrenen, and Y. Fei (2004), Trace element partitioning in Earth's lower mantle and implications for geochemical consequences of partial melting at the core-mantle boundary, Phys. Earth Planet. Inter., 146, 249-260.
12. Kellog, L. H., B. H. Bradford, and R. D. van der Hilst (1999), Compositional stratification in the deep mantle, Science, 283, 1881-1884.
13. Knittle, E. (1998), The solid/liquid partitioning of major and radiogenic elements at lower mantle pressures: Implications for the core-mantle boundary region, in The Core-Mantle Boundary Region, Geodyn. Ser., vol. 28, edited by M. Gumis et al., pp. 119-130, AGU, Washington, D.C.
14. Liu, L.-G. (1980), High-pressure phase transformations of fluorite-type dioxides, Earth Planet. Sci. Lett., 49, 166-172.
15. 4 compounds at high pressures and their geophysical implications, Earth Planet. Sci. Lett., 57, 110-116.
16. Samuel, H., and C. G. Farnetani (2003), Thermochemical convection and helium concentrations in mantle plumes, Earth Planet. Sci. Lett., 207, 39-56.
17. 3 perovskite in the Earth's lower mantle, J. Geophys. Res., 105, 25,955-25,968.
18. 3 perovskite above 20 GPa, Geophys. Res. Lett., 29(24), 2166, doi:10.1029/2002GL016148.
19. Turcotte, D. L., D. Paul, and W. M. White (2001), Thorium-uranium systematics require layered mantle convection, J. Geophys. Res., 106, 4265-4276.
20. van der Hilst, R. D., and H. Karason (1999), Compositional heterogeneity in the bottom 1000 kilometers of Earth's mantle: Toward a hybrid convection model, Science, 283, 1885-1888.
21. Wood, B. J., J. D. Blundy, and A. C. Robinson (1999), The role of clinopyroxene in generating U-series disequilibrium during mantle melting, Geochim. Cosmochim. Acta, 63, 1613-1620.
22. 12, Phys. Earth Planet. Inter., 92, 25-31.