The wetting ability of Si-bearing liquid Fe-alloys in a solid silicate matrix-percolation during core formation under reducing conditions?

Physics of the Earth and Planetary Interiors

Volumn 167, Issue 1-2, 2008, Pages 1-7

  Mann, Ute ^a   Frost, Daniel J ^a   Rubie, David C ^a  

^a UNIVERSITÄT BAYREUTH   (Germany)

Author keywords

Core formation; Percolation; Wetting angle

Indexed keywords

CONTACT ANGLE; INTERFACIAL ENERGY; IRON ALLOYS; PERCOLATION (SOLID STATE); PEROVSKITE; SILICATES; WETTING;

CORE FORMATION; FORSTERITE; SILICATE PEROVSKITE;

MINERALOGY;

ALLOY; FORSTERITE; IRON; PERCOLATION; PEROVSKITE; SILICATE MINERAL; SILICON; WETTING;

EID: 42649120646     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2007.12.002     Document Type: Article

References (33)

1. Allègre C.J., Poirier J.-P., Humler E., and Hofmann A.W. The chemical composition of the Earth. Earth Planet. Sci. Lett. 134 (1995) 515-526
2. Ballhaus C., and Ellis D.J. Mobility of core melts during Earth's accretion. Earth Planet. Sci. Lett. 143 (1996) 137-145
3. Bargen v.N., and Waff H.S. Permeabilities, interfacial areas and curvatures of partially molten systems: results of numerical computations of equilibrium microstructures. J. Geophys. Res. 91 (1986) 9261-9276
4. Bulau J.R., Waff H.S., and Tyburczy J.A. Mechanical and thermodynamic constraints on fluid distribution in partial melts. J. Geophys. Res. B 84 (1979) 6102-6108
5. Gaetani G.A., and Grove T.L. Wetting of mantle olivine by sulfide melt: implications for Re/Os ratios in mantle peridotite and late-stage core formation. Earth Planet. Sci. Lett. 169 (1999) 147-163
6. Iida T., and Guthrie R.I.L. The Physical Properties of the Liquid Metals (1988), Clarendon Press, Oxford p. 287
7. Ixanov B., Laty P., Joud J.C., and Desre P. Surface-tension of Fe-Si liquid alloys. J. Chim. Phys. Physico-Chim. Biol. 75 (1978) 550-552
8. Javoy M. The integral enstatite chondrite model of the earth. Geophys. Res. Lett. 22 (1995) 2219-2222
9. Jurewicz S.R., and Jurewicz A.J.G. Distribution of apparent angles on random sections with emphasis on dihedral angle measurements. J. Geophys. Res. 91 (1986) 9277-9282
10. Jurewicz S.R., and Jones J.H. Preliminary results of olivine/metal wetting experiments and the direct measurement of metal phase interconnectivity. Lunar Planet. Sci. XXVI (1995) 709-710
11. Karato S., and Murthy V.R. Core formation and chemical equilibrium in the Earth. 1. Physical considerations. Phys. Earth Planet. Int. 100 (1997) 61-79
12. Keppler H., and Frost D.J. Introduction to minerals under extreme conditions. In: Miletich R. (Ed). Mineral Behaviour at Extreme Conditions EMU Notes in Mineralogy vol. 7 (2005), Eötvös University Press, Budapest 1-30
13. Laporte D., and Provost A. The grain-scale distribution of silicate, carbonate and metallosulfide partial melts: a review of theory and experiments. In: Bagdassarov N.S., Laporte D., and Thomas A.B. (Eds). Physics and Chemistry of Partially Molten Rocks Petrology and Structural Geology vol. 11 (2000), Kluwer Academic Press, Dordrecht 93-140
14. Li J., and Agee C.B. Geochemistry of mantle-core differentiation at high pressure. Nature 381 (1996) 686-689
15. Lodders K., Palme H., and Wlotzka F. Trace-elements in mineral separates of the Pena-Blanca Spring aubrite-Implications for the evolution of the aubrite parent body. Meteoritics 28 (1993) 538-551
16. McDonough W.F., and Sun Ss. The composition of the Earth. Chem. Geol. 120 (1995) 223-253
17. Minarik W.G., Ryerson F.J., and Watson E.B. Textural entrapment of core-forming melts. Science 272 (1996) 530-533
18. O'Neill H.S.C. The origin of the moon and the early history of the Earth-a chemical model. Part 2. The Earth. Geochim. Cosmochim. Acta 55 (1991) 1159-1172
19. Poirier J.-P. Light elements in the Earth's outer core: a critical review. Phys. Earth Planet. Int. 85 (1994) 319-337
20. Raghavan V. Phase Diagrams of Ternary Iron Alloys. Part 2. Tertiary Systems containing Iron and Sulphur (1988), Indian Institute of Metals, Calcutta
21. Righter K., and Drake M.J. Metal-silicate equilibrium in a homogeneously accreting Earth: new results for Re. Earth Planet. Sci. Lett. 146 (1997) 541-553
22. 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 (2003) 239-255
23. Shannon M.C., and Agee C.B. Percolation of core melts at lower mantle conditions. Science 280 (1998) 1059-1061
24. Stevenson D.L. Fluid dynamics of core formation. In: Newsom H.E., and Jones J.H. (Eds). Origin of the Earth (1990), Oxford University Press, New York 231-249
25. Stickels C.A., and Hucke E.E. Measurement of dihedral angles. Trans. Metall. Soc. AIME 230 (1964) 795-801
26. Takafuji N., Hirose K., Ono S., Xu F.F., Mitome M., and Bando Y. Segregation of core melts by permeable flow in the lower mantle. Earth Planet. Sci. Lett. 224 (2004) 249-257
27. Terasaki H., Frost D.J., Rubie D.C., and Langenhorst F. The effect of oxygen and sulphur on the dihedral angle between Fe-O-S melt and silicate minerals at high pressure: implications for Martian core formation. Earth Planet. Sci. Lett. 232 (2005) 379-392
28. Terasaki H., Frost D.J., Rubie D.C., and Langenhorst F. Interconnectivity of Fe-O-S liquid in polycrystalline silicate perovskite at lower mantle conditions. Phys. Earth Planet. Int. 161 (2007) 170-176
29. Utigard T. Surface and interfacial-tensions of iron-based systems. ISIJ Int. 34 (1994) 951-959
30. Wade J., and Wood B.J. Core formation and the oxidation state of the Earth. Earth Planet. Sci. Lett. 236 (2005) 78-95
31. Walte N.P., Becker J.K., Bons P.D., Rubie D.C., and Frost D.J. Liquid-distribution and attainment of textural equilibrium in a partially-molten crystalline system with a high-dihedral-angle liquid phase. Earth Planet. Sci. Lett. 262 (2007) 517-532
32. Wänke H. Constitution of terrestrial planets. Phil. Trans. R. Soc. Lond. 303 (1981) 287-302
33. Yoshino T., Walter M.J., and Katsura T. Core formation in planetesimals triggered by permeable flow. Nature 422 (2003) 154-157