Core formation and the oxidation state of the Earth: Additional constraints from Nb, V and Cr partitioning

Geochimica et Cosmochimica Acta

Volumn 72, Issue 5, 2008, Pages 1415-1426

  Wood, Bernard J ^a   Wade, Jon ^b   Kilburn, Matthew R ^c  

^a MACQUARIE UNIVERSITY   (Australia)

^b OPEN UNIVERSITY   (United Kingdom)

^c UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL COMPOSITION; MAGMA CHEMISTRY; MANTLE CHEMISTRY; OXIDATION; PARTITION COEFFICIENT; SILICATE MELT;

EID: 39749104662     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2007.11.036     Document Type: Article

References (41)

1. Allègre C.J., Poirier J.-P., Humler E., and Hofmann A.W. The chemical composition of the Earth. Earth Planet. Sci. Lett. 134 3-4 (1995) 515-526
2. Barin I., Sauert F., Schultze-Rhonhof E. and Sheng W.S. (1989) Thermochemical data of pure substances, Part I and Part II, CH Verlagsgesellschaft.
3. Berry A.J., and O'Neill H.S. A XANES determination of the oxidation state of chromium in silicate glasses. Am. Miner. 89 (2004) 790-798
4. Canup R.M. Origin of terrestrial planets and the Earth-Moon system. Phys. Today 57 4 (2004) 56-62
5. Chabot N.L., and Agee C.B. Core formation in the Earth and Moon: new experimental constraints from V, Cr, and Mn. Geochim. Cosmochim. Acta 67 11 (2003) 2077-2091
6. Corgne A., Keshav S., Wood B.J., McDonough W.F., and Fei Y. Metal-silicate partitioning and constraints on core composition and oxygen fugacity during Earth accretion. Geochim. Cosmochim. Acta 72 (2008) 574-589
7. Drake M.J., Newsom H.E., and Capobianco C.J. V, Cr, and Mn in the Earth, Moon, Epb, and Spb and the origin of the Moon-experimental studies. Geochim. Cosmochim. Acta 53 8 (1989) 2101-2111
8. Frost D.J., Liebske C., Langenhorst F., McCammon C.A., Trønnes R.G., and Rubie D.C. Experimental evidence for the existence of iron-rich metal in the Earth's lower mantle. Nature 428 6981 (2004) 409-412
9. Georg R.B., Halliday A.N., Schauble E.A., and Reynolds B.C. Silicon in the Earth's core. Nature 447 (2007) 1102-1106
10. Gessmann C.K., and Rubie D.C. The origin of the depletions of V, Cr and Mn in the mantles of the Earth and Moon. Earth Planet. Sci. Lett. 184 1 (2000) 95-107
11. Gessmann C.K., Wood B.J., Rubie D.C., and Kilburn M.R. Solubility of silicon in liquid metal at high pressure: implications for the composition of the Earth's core. Earth Planet. Sci. Lett. 184 2 (2001) 367-376
12. Halliday A.N. Mixing, volatile loss and compositional change during impact- driven accretion of the Earth. Nature 427 6974 (2004) 505-509
13. Kilburn M.R., and Wood B.J. Metal-silicate partitioning and the incompatibility of S and Si during core formation. Earth Planet. Sci. Lett. 152 1-4 (1997) 139-148
14. Kleine T., Munker C., Mezger K., and Palme H. Rapid accretion and early core formation on asteroids and the terrestrial planets from Hf-W chronometry. Nature 418 6901 (2002) 952-955
15. Kleine T., Mezger K., Palme H., and Munker C. The W isotope evolution of the bulk silicate Earth: constraints on the timing and mechanisms of core formation and accretion. Earth Planet. Sci. Lett. 228 1-2 (2004) 109-123
16. Li J., and Agee C.B. Geochemistry of mantle-core differentiation at high pressure. Nature 381 (1996) 686-689
17. Li J., and Agee C.B. The effect of pressure, temperature, oxygen fugacity and composition on partitioning of nickel and cobalt between liquid Fe-Ni-S alloy and liquid silicate: implications for the Earth's core formation. Geochim. Cosmochim. Acta 65 11 (2001) 1821-1832
18. Ma Z.T. Thermodynamic description for concentrated metallic solutions using interaction parameters. Metall. Mater. Trans. B-Process Metall. Mater. Process. Sci. 32 1 (2001) 87-103
19. McCammon C. Perovskite as a possible sink for ferric iron in the lower mantle. Nature 387 6634 (1997) 694-696
20. McDonough W.F. Compositional model for the Earth's core. In: Carlson R.W. (Ed). Treatise on Geochemistry v. 2 (2003), Elsevier-Pergamon, Oxford 547-568
21. McDonough W.F., and Sun S.-S. The composition of the Earth. Chem. Geol. 120 3-4 (1995) 223-253
22. Norman M., Garcia M.O., and Pietruszka A.J. Trace-element distribution coefficients for pyroxenes, plagioclase, and olivine in evolved tholefites from the 1955 eruption of Kilauea Volcano, Hawaii, and petrogenesis of differentiated rift-zone lavas. Am. Miner. 90 5-6 (2005) 888-899
23. O'Neill H.S.C. The origin of the Moon and the early history of the Earth-a chemical model. 2. The Earth. Geochim. Cosmochim. Acta 55 4 (1991) 1159-1172
24. 3 in silicate melts. Chem. Geol. 186 1-2 (2002) 151-181
25. Righter K. Metal-silicate partitioning of siderophile elements and coreformation in the early Earth. Annu. Rev. Earth Planet. Sci. 31 (2003) 135-174
26. Righter K., and Drake M.J. Metal-silicate equilibrium in a homogeneously accreting earth: new results for Re. Earth Planet. Sci. Lett. 146 3-4 (1997) 541-553
27. Rubie D.C., Melosh H.J., Reid J.E., Liebske C., and Righter K. Mechanisms of metal-silicate equilibration in the terrestrial magma ocean. Earth Planet. Sci. Lett. 205 3-4 (2003) 239-255
28. Rudnick R.L., Barth M., Horn I., and McDonough W.F. Rutile-bearing refractory eclogites: missing link between continents and depleted mantle. Science 287 5451 (2000) 278-281
29. The Japan Society for the Promotion of Science. Steelmaking Data Sourcebook (1988), Gordon and Breach, New York
30. Thibault Y., and Walter M.J. The influence of pressure and temperature on the metal-silicate partition coefficients of nickel and cobalt in a model C1 chondrite and implications for metal segregation in a deep magma ocean. Geochim. Cosmochim. Acta 59 5 (1995) 991
31. Tronnes R.G., and Frost D.J. Peridotite melting and mineral-melt partitioning of major and minor elements at 22-24.5 GPa. Earth Planet. Sci. Lett. 197 1-2 (2002) 117-131
32. Wade J., and Wood B.J. The Earth's 'missing' niobium may be in the core. Nature 409 6816 (2001) 75-78
33. Wade J., and Wood B.J. Core formation and the oxidation state of the Earth. Earth Planet. Sci. Lett. 236 (2005) 78-95
34. Wagner C. Thermodynamics of Alloys (1962), Addison-Wesley, Reading, MA
35. Walker D., Carpenter M.A., and Hitch C.M. Some simplifications to multianvil devices for high pressure experiments. Am. Miner. 75 (1990) 1020-1028
36. Wänke H. Constitution of the terrestrial planets. Philos. Trans. Roy. Soc. Lond. A303 (1981) 287-302
37. Wänke H., and Dreibus G. Chemical-composition and accretion history of terrestrial planets. Philos. Trans. Roy. Soc. Lond. A-Math. Phys. Eng. Sci. 325 1587 (1988) 545-557
38. Wood B.J. Phase transformations and partitioning relations in peridotite under lower mantle conditions. Earth Planet. Sci. Lett. 174 3-4 (2000) 341-354
39. Wood B.J., and Rubie D.C. The effect of alumina on phase transformations at the 660-kilometer discontinuity from Fe-Mg partitioning experiments. Science 273 (1996) 1522-1524
40. Yin Q.Z., Jacobsen S.B., Yamashita K., Blichert-Toft J., Telouk P., and Albarede F. A short timescale for terrestrial planet formation from Hf-W chronometry of meteorites. Nature 418 6901 (2002) 949-952
41. Zerr A., Diegeler A., and Boehler R. Solidus of Earth's deep mantle. Science 281 (1998) 243-246