Interconnectivity of Fe-O-S liquid in polycrystalline silicate perovskite at lower mantle conditions

Physics of the Earth and Planetary Interiors

Volumn 161, Issue 3-4, 2007, Pages 170-176

  Terasaki, Hidenori ^a,b   Frost, Daniel J ^a   Rubie, David C ^a   Langenhorst, Falko ^c  

^a UNIVERSITÄT BAYREUTH   (Germany)

^b TOHOKU UNIVERSITY   (Japan)

^c FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

Author keywords

Core formation; Dihedral angle; Lower mantle; Percolation; Silicate perovskite

Indexed keywords

IRON OXIDES; LIQUID METALS; MINERALOGY; PERCOLATION (SOLID STATE); PEROVSKITE; POLYCRYSTALLINE MATERIALS; SILICATE MINERALS;

CORE FORMATION; DIHEDRAL ANGLE; LOWER MANTLE; PERCOLATION MECHANISM; POLYCRYSTALLINE SILICATE PEROVSKITE;

STRUCTURAL GEOLOGY;

CORE (PLANETARY); CORE-MANTLE BOUNDARY; FUGACITY; IRON; LOWER MANTLE; OXYGEN; PERCOLATION; PEROVSKITE; RINGWOODITE; SILICATE; SULFUR; UPPER MANTLE;

EID: 34247487781     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2007.01.011     Document Type: Article

References (33)

1. Asahara, Y., Frost, D.J., Rubie, D.C., 2006. Oxygen content of the Earth's core and chemical interaction at the core-mantle boundary. EOS Trans AGU 87 (52), Fall Meet Suppl, Abstract U42A-04.
2. Ballhaus C., and Ellis D.J. Mobility of core melts during Earth's accretion. Earth Planet. Sci. Lett. 143 (1996) 137-145
3. Bertka C.M., and Fei Y. Mineralogy of the Martian interior up to the core-mantle boundary pressures. J. Geophys. Res. 102 (1997) 5251-5264
4. Faul U.H. Permeability of partially molten upper mantle rocks from experiments and percolation theory. J. Geophys. Res. 102 (1997) 10299-10312 10.1029/96JB03460
5. Fei Y., and Mao H.-K. In situ determination of the NiAs phase of FeO at high pressure and temperature. Science 266 (1994) 1678-1680
6. 3 on Fe-Mg partitioning between magnesiowüstite and magnesium silicate perovskite. Earth Planet. Sci. Lett. 199 (2002) 227-241
7. Frost D.J., Poe B.T., Tronnes R.G., Liebske C., Duba A., and Rubie D.C. A new large-volume 6-8 multianvil system. Phys. Earth Planet. Interiors 143-144 (2004) 507-514
8. Frost D.J., Liebske C., Langenhorst F., McCammon C.A., Tronnes R.G., and Rubie D.C. Experimental evidence for the existence of iron-rich metal in the Earth's lower mantle. Nature 428 (2004) 409-412
9. 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
10. Harker D., and Parker E.R. Grain shape and grain growth. Am. Soc. Metall. Trans. 34 (1945) 156-201
11. Holzheid A., Schmitz M.D., and Grove T.L. Textural equilibria of iron sulfide liquids in partly molten silicate aggregates and their relevance to core formation scenarios. J. Geophys. Res. 105 (2000) 13555-13567
12. Iida T., and Guthrie R.L. The Physical Properties of Liquid Metals (1988), Clarendon, Oxford pp. 109-146
13. Laporte D., and Watson E.B. Experimental and theoretical constraints on melt distribution in crustal sources: the effect of crystalline anisotropy on melt interconnectivity. Chem. Geol. 124 (1995) 161-184
14. 3 perovskite: a highly oxidised component of the lower mantle. Contrib. Mineral. Petrol. 138 (2000) 17-26
15. Minarik W.G., Ryerson F.J., and Watson E.B. Textural entrapment of core-forming melts. Science 272 (1996) 530-533
16. Murakami M., Hirose K., Ono S., Tsuchiya T., Isshiki M., and Watanuki T. High pressure and high temperature phase transitions of FeO. Phys. Earth Planet. Interiors 146 (2004) 273-282
17. Ohtani E., Ringwood A.E., and Hibberson W. Composition of the core. II. Effect of high pressure on solubility of FeO in molten iron. Earth Planet. Sci. Lett. 71 (1984) 94-103
18. O'Neill H.StC., Canil D., and Rubie D.C. Oxide-metal equilibria to 2500 °C and 25 GPa: implications for core formation and the light component in the Earth's core. J. Geophys. Res. 103 (1998) 12239-12260
19. Rose L.A., and Brenan J.M. Wetting properties of Fe-Ni-Co-Cu-O-S melts against olivine: implications for sulfide melt mobility. Econ. Geol. 96 (2001) 145-157
20. Rubie D.C., Gessmann C., and Frost D.J. Partitioning of oxygen during core formation on the Earth and Mars. Nature 429 (2004) 58-61
21. Rushmer T., Minarik W.G., and Taylor G.J. Physical process of core formation. In: Canup R.M., and Righter K. (Eds). Origin of the Earth and Moon (2000), The University of Arizona Press, Tucson 227-243
22. Sakai T., Kondo T., Ohtani E., Terasaki H., Endo N., Kuba T., Suzuki T., and Kikegawa T. Interaction between iron and post-perovskite at core-mantle boundary and core signature in plume source region. Geophys. Res. Lett. 133 (2006) L15317 10.1029/2006GL026868
23. Shannon M.C., and Agee C.B. High pressure constraints on percolative core formation. Geophys. Res. Lett. 23 (1996) 2717-2720
24. Shannon M.C., and Agee C.B. Percolation of core melts at lower mantle conditions. Science 280 (1998) 1059-1061
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., 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 dihedral angle between Fe-O-S melt and solid silicates under high pressure: implications for Martian core formation. Earth Planet. Sci. Lett. 232 (2005) 379-392
28. Toriumi M. Rounded mineral inclusions in upper mantle peridotite. Phys. Earth. Planet. Interiors 27 (1981) 39-46
29. 23-edge electron energy-loss near-edge structure spectroscopy. Phys. Chem. Miner. 25 (1998) 323-327
30. 2,3 electron energy-loss near-edge spectra. Phys. Chem. Miner. 29 (2002) 188-200
31. von Bargen 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
32. Walker D., Clark S.M., Cranswick L.M.D., Johnson M.C., and Jones R.L. O2 volumes at high pressure from KClO4 decomposition: D″ as a siderophile element pump instead of a lid on the core. Geochem. Geophys. Geosyst. 3 (2002) 1070 10.1029/2001GC000225
33. Yoshino T., Price J.D., Wark D.A., and Watson E.B. Effect of faceting on pore geometry in texturally equilibrated rocks: implications for low permeability at low porosity. Contrib. Mineral. Petrol. 152 (2006) 169-186 10.1007/s00410-006-0099-y